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Mr. Gasket Hot Rod Calc, User Manual

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Mr. Gasket Hot Rod Calc User Manual Download Page 45

U

ser

'

s

 G

Uide

 — 43

KeysTroKe

disPlay

8. Enter your RPM and cruising speed of 65 MPH:



rPM

 

   

  

3000.



sPeed

 

   

  

65.  

MPH

9. Calculate the final-drive ratio:

 (Final-drive ratio)

Gear  

raTio

 3.57**

 (Manual trans final-drive ratio)

Gr-M  

raTio

  3.529

*

 

(Auto trans final-drive ratio)

GR-a  

RatIo

  3.582

* Repeated presses of

 

will toggle through the inputs and outputs, 

starting with the entered RPM

.

** It is estimated that in order to reach 3,000 RPM in 4th gear at 65 
MPH, the LX will need a final-drive ratio of 3.57. And for the users who 
have experience with the Larry Shepard correction method, your calcu-
lator also shows a manual transmission (

Gr-M

) final-drive ratio of 

3.529 and an automatic transmission (

Gr-a

) final-drive ratio of 3.582.

Tire diameter — 

Based on RPM, Speed and gear Ratio

Instead of changing your final-drive ratio as in the previous 

example, you could have solved for the performance another 

way – by changing the tire size. Using the known parameters of 

65 MPH, 3,000 RPM, and our current final-drive ratio of 3.08, 

calculate a new tire size that will give similar results as the final-

drive ratio change in the previous example.

KeysTroKe

disPlay



0.

1. Enter your RPM, cruising speed of 65 MPH and Gear Ratio:



rPM

 

   

  

3000.



sPeed

 

   

  

65.  

MPH



Gear  

raTio

 

   

  

3.08

2. Calculate the New Tire Diameter:



*

 

(New Tire Dia)

Tiren  

siZe

  22.431  

in

**

(cont'd)

UG8703E-B-inside.indd   43

3/3/2010   3:03:59 PM

Summary of Contents for Hot Rod Calc

Page 1: ...Model 8703 ...

Page 2: ...ects of motorsports racing especially those with deep understanding of the relationship between weather conditions and engine performance Calculated Industries gratefully acknowledges Patrick Hale Drag Racing Pro and Marko Glush independent engine builder and bracket racer for their generous time and expertise during the development of this calculator ...

Page 3: ...es for predicting elapsed time and trap speed at 1 8 and 1 4 mile intervals The Hot Rod Calc is a powerful cost effective tool for every performance car and truck owner s toolbox Helps you at the track Air Density Solutions Density Altitude Solutions Adjust your ET prediction with Horsepower and Motorsport Standard Atmosphere Corrections Adjust your ET prediction with Wind Speed and Direction Corr...

Page 4: ...rsports Standard Atmosphere MSA 19 Horsepower Correction Factor HPc 19 Density Altitude 20 Air Density Index 20 Pressure 21 Elapsed Time 22 ADI Density Altitude and Water Vapor Content 22 Calculating ADI and Density Altitude Using Absolute Pressure 22 Calculating ADI and Density Altitude Using Elevation 24 Calculating ADI Using a Fuel Correction Index 24 Calculating Water Vapor Content 27 elapsed ...

Page 5: ...acement and Carburetor Size 47 Torque 47 Estimating Flywheel Horsepower Based on Torque and RPM 47 Estimating Flywheel Torque Based on HP and RPM 48 Compression Ratio and Mill Amount 49 Calculating Compression Ratio 50 Calculating Mill Amount 52 Piston Speed 53 Piston Speed Based on RPM and Stroke 53 RPM Based on Piston Speed and Stroke 54 Engine Displacement Bore and Stroke 55 Engine Displacement...

Page 6: ...ars all non permanent values Off Turns all power off Clears all non permanent values Arithmetic operation keys and Keys used for entering numbers Convert Used with the dimensional keys to con vert between units or with other keys to access special functions Recall Used with other keys to recall stored val ues and settings Memory Clear M R C Clears Accumulative Memory without changing current displ...

Page 7: ...limeters and Meters Inch Identifies entry as Inches with repeated presses toggling between linear area and volume units Converts dimensional value to units of Inches with repeated presses toggling between Inches and Feet Feet Identifies entry as Feet with repeated presses toggling between linear area and volume units Converts dimensional value to units of Inches with repeated presses toggling betw...

Page 8: ...rocal 1 x Finds the reciprocal of a number e g 8 0 125 Clear All Returns all stored values to the default settings Does not affect Preference Settings Pi Displays value of π 3 1415927 Change Sign Toggle displayed value between negative and positive value Preference Settings Prefs Accesses various customizable settings such as dimensional answer formats see Preference Settings section on page 13 ET...

Page 9: ...and display Moisture as relative humidity RH water vapor pressure P WV saturation water vapor pressure P SAT and dew point temperature DEW Default value is 0 relative humidity Wind Speed Enters current local Wind Speed Unitless entries assumed MPH in US mode km h in Metric mode Calculates corrected ET ETc and corrected speed SPDc given entered ET speed Vehicle Weight Frontal Area Wind Speed and Dr...

Page 10: ...river s weight Calculates Vehicle Weight given entered ET and HP or speed and HP If all of these values are entered the cal culation based on ET and HP takes precedence Vehicle Weight calculations are adjusted when the appropriate environmental conditions are entered Frontal Area Enters the vehicle s Frontal Area when correcting for wind conditions Unitless entries assumed square Feet in US mode s...

Page 11: ...orrecting for wind See Appendix A for typical body styles and asso ciated Drag Coefficient values Default value is 0 35 Miles per Hour Enters or calculates speed in miles per hour Given entered speed assumes value as the vehicle s quarter mile dragstrip speed and calculates its eighth mile dragstrip speed Given entered HP and Vehicle Weight calculates the vehicle s speed for both the quarter mile ...

Page 12: ...speed and New Tire Diameter New Tire Diameter New Tire Dia Enters or cal culates new tire size Unitless entries assumed Inches in US mode mm in Metric mode Calculates tire size given entered speed Gear Ratio and RPM Engine Displacement Enters or calculates Engine Displacement Unitless entries assumed cubic Inches in US mode Liters in Metric mode Calculates Engine Displacement and cylinder vol ume ...

Page 13: ...e s cylinders that makes its way to the flywheel e g less friction losses from rings pistons bearing friction oil pumps etc Default value is 85 Carburetor Size Enters or calculates a Carburetor Size as a flow rate of cubic feet per min ute Calculates User Theoretical Street and Race Carburetor Sizes given entered Engine Displacement RPM and Volumetric Efficiency If Volumetric Efficiency is 100 Use...

Page 14: ...Tire Diameter or given entered Stroke and Piston Speed If all of these values are entered the calcu lation based on speed Gear Ratio and New Tire Diameter takes precedence Deck Height Enters cylinder Deck Height Unitless entries assumed Inches in US mode mm in Metric mode Used in calculating Compression Ratio Torque Enters or calculates flywheel engine Torque Unitless entries assumed lb ft in US m...

Page 15: ... Chamber Volume Chamber Vol Enters cylin der Chamber Volume Unitless entries assumed cubic centimeters Used in calculating Compression Ratio PREFERENCE SETTINGS Press then to access the Preferences menu Continue pressing to toggle through different Preferences Press or keys to toggle between options of the different Preferences Press to exit Preferences Your calculator will keep Preference setting...

Page 16: ...gth Dimensions Examples of how linear dimensions are entered press after each entry DIMENSIONS KEYSTROKE 4 5 inches 95 millimeters 1 320 feet 201 meters Square and Cubic Dimensions Examples of how square and cubic dimensions are entered press after each entry DIMENSIONS KEYSTROKE 14 square inches 11 square millimeters 450 cubic inches 3 cubic feet cont d KEYSTROKE DISPLAY ...

Page 17: ...limeters Enter and convert 4 5 inches to millimeters KEYSTROKE DISPLAY 0 4 5 IN 114 3 MM Repeated presses of will toggle between meters and millimeters Speed Conversions Enter and convert 65 miles per hour to kilometers per hour KEYSTROKE DISPLAY 0 SPEED 65 MPH km h SPEED 104 60736 KM H Engine Displacement Conversions Enter and convert 450 cubic inches CID to liters KEYSTROKE DISPLAY 0 cont d ...

Page 18: ...CU IN Torque Conversions Enter and convert 42 lb ft to Newton meters KEYSTROKE DISPLAY 0 lb ft LB FT 42 N m N M 56 944354 Enter and convert 25 N m to lb ft KEYSTROKE DISPLAY 0 N m N M 25 lb ft LB FT 18 439054 Weight Conversions Enter and convert 2 700 pounds to kilograms KEYSTROKE DISPLAY 0 lbs LBS 2700 kg KG 1224 6994 cont d KEYSTROKE DISPLAY ...

Page 19: ...henever the key is pressed the displayed value will be added to the Memory Other memory functions FUNCTION KEYSTROKE Add to Memory Subtract from Memory Recall total in Memory Display Clear Memory Clear Memory Memory is semi permanent clearing only when you 1 turn off the calculator 2 press 3 press 4 press Clear All When Memory is recalled consecutive presses of will display the calculated average ...

Page 20: ...r and or track Elevation inputs to assist you with predicting changes in your engine s perfor mance enabling better ET and speed predictions To further understand the Hot Rod Calc s outputs and how to use the calculator please get familiar with the following technical and weather related terms used throughout this section of the user s guide IMPORTANT All examples are based on the default US units...

Page 21: ...l go but the higher the temperature the slower it will go More specifically engine performance is impacted by the ambient air s density MSA includes three parameters absolute Pressure 29 92 inHg temperature 60 F and relative humidity 0 RH or dry air Horsepower Correction Factor HPc The Horsepower Correction Factor is calculated and imple mented within HP ET and speed estimations on the Hot Rod Cal...

Page 22: ...ing the current local measured weather conditions entered into the calculator Once you have established an air fuel ratio for the current track and weather conditions calculate and record the current ADI As a rule ADI will be less than 100 for Elevations above sea level as well as for temperatures above 60 F Conversely ADI will be more than 100 for temperatures below 60 F As a guideline ADI can be...

Page 23: ...d jet number settings along with the Hot Rod Calc s calculated ADI and Density Altitude for those last minute adjustments as weather conditions change throughout the day or for dialing in at different track locations Pressure There are two types of commonly referenced Pressure Absolute Pressure and Corrected Pressure Absolute Pressure is the actual ambient local Pressure There are several tools av...

Page 24: ...apor Content Calculating ADI and Density Altitude Using Absolute Pressure For this example you are at the Los Angeles County Fairplex Auto Club Raceway in Pomona Calif The track s Elevation is about 1 025 feet above sea level The current local measured weather conditions are 63 2 F absolute Pressure of 28 83 inHg and 58 relative humidity at 9 a m Note Elevation entry is not required if absolute Pr...

Page 25: ...evation is about 1 082 feet above sea level The current local measured weather conditions are an unseasonably chilly 33 F absolute Pressure of 28 77 inHg and a relative humidity of 64 at 8 30 a m Calculate the Air Density Index ADI and Density Altitude KEYSTROKE DISPLAY 0 1 Enter current local measured weather conditions TEMP 33 F Pressure P ABS 28 77 INHG RH 64 2 Calculate ADI and Density Altitud...

Page 26: ...ons are posted as 51 F and 5 relative humidity at 9 a m Calculate the Air Density Index ADI and Density Altitude KEYSTROKE DISPLAY 1 Clear all stored values and enter track Elevation Clear All ALL CLEArEd ELEV 3963 F 2 Enter current local measured weather conditions TEMP 51 F RH 5 3 Calculate ADI and Density Altitude ELEV 3963 F ADI 87 969 D ALT 4323 207 F Calculating ADI Using a Fuel Correction I...

Page 27: ...tored values and enter current local measured weather conditions Clear All ALL CLEArEd TEMP 80 F Pressure P ABS 29 15 INHG RH 53 5 2 Calculate ADI and Density Altitude ELEV 0 ADI 92 038 D ALT 2813 209 F Notice that the Elevation output is 0 feet This is because the example did not include entering an Elevation Elevation is only a required input if absolute Pressure is not available Record the calc...

Page 28: ...uel correction index is about 89 indicating air density is about 89 of the air density from which you baselined your jet numbers In other words the new air density has gone down about 11 from your baseline air density calculation Some experts say that as a general rule a change of 4 or more in air density is enough to consider a jetting change Also notice that the Density Altitude at the new track...

Page 29: ...ample Density Altitude has gone up so it stands to reason that a leaner jet number may be required A conservative change however would be to go from the 78 to the 76 which has a flow of 587 cubic centime ters per minute Calculating Water Vapor Content Using a different set of track and weather conditions at Top Gun Raceway let s calculate water vapor content water vapor pres sure saturation water ...

Page 30: ...d Calc assumes ideal conditions with no tire slippage and 100 converter lockup and the predictions are for estimation purposes only Calibrating Your Hot Rod Calc for ET Predictions at the Track When using your Hot Rod Calc for ET predictions at the track following these steps will result in the most accurate predictions You should go through these steps at each track you race at during your dial i...

Page 31: ...s and your Baseline HP and solve for an accurate ET predic tion Basic ET Prediction Given your 1970 Ford Mustang Notchback with a 411 HP producing stroked 351 CID engine weighing in at about 3 840 pounds including driver calculate a simple Elapsed Time ET prediction For a basic ET prediction the calculator only requires Vehicle Weight and HP to be entered The entered HP is assumed to be the engine...

Page 32: ...tion using some additional inputs The inputs demonstrated in this example are not required for an ET prediction however this example will demonstrate the Hot Rod Calc s ability to calculate a Horsepower correction factor HPc and output for current weather conditions as well as MSA conditions For this example the track s Elevation is 3 963 feet above sea level Recall that our race car weighs in at ...

Page 33: ...1 4ET MSA 12 269 S 1 4 MSA 111 101 MPH 1 8ET 8 362 S 1 8 83 061 MPH 1 8ET MSA 7 864 S 1 8 MSA 88 316 MPH HPc 1 202 P ABS 25 88 INHG TEMP 73 F RH 14 ELEV 0 LBS 3840 HP MSA 411 DO NOT CLEAR CALCULATOR Notice within the ET output sequence the ET predictions are displayed in 1 4 and 1 8 prediction sets based on current track conditions as well as a HPc of 1 202 Each set displays the Horsepower correct...

Page 34: ...er available inside the engine s cylinders that makes its way to the fly wheel e g friction losses from rings pistons bearing friction oil pumps etc The default value is 85 which is a fairly acceptable value in practice ME is a variable in calculating the HPc and can be changed as in the following keystroke example KEYSTROKE DISPLAY 7 Change the Mechanical Efficiency value from 85 to 80 and see th...

Page 35: ...ar s Frontal Area measure the vehicle from head on measuring from the bottom of the front bumper to the top of the roof and the widest point to point of the race car e g door handle to door handle It is also helpful if you know your race car s shape factor though most are between 80 and 85 of the race car s Frontal Area excluding dragster style race cars Here s an example of calculating a race car...

Page 36: ...within ET Prediction Keys section on page 8 4 Enter the Vehicle Weight and your actual ET and speed LBS 3840 ET 13 85 S SPEED 102 304 MPH 5 Enter the Wind Speed and Wind Direction to calculate how the wind affected your speed and time Wind Speed WIND 30 MPH Wind Direction WIND 5 6 Calculate the corrected ET and corrected speed Wind Speed WIND 30 MPH Corrected ET ETc 13 281 S Corrected speed SPDc 1...

Page 37: ...P and made an ET run of 9 540 seconds Calculate the estimated Vehicle Weight KEYSTROKE DISPLAY 1 Clear all stored values and enter the estimated HP Clear All ALL CLEArEd HP MSA 575 2 Enter the 1 4 ET ET 9 54 S 3 Solve for the vehicle s weight LBS 2525 953 Repeated presses of will toggle through the inputs and outputs starting with the HP correction factor Vehicle Weight Based on HP and Speed In th...

Page 38: ...d Based on HP and Vehicle Weight In this example you want to calculate the 1 4 mile speed for a 1970 Chevelle SS with an estimated 400 HP and weighing 4 100 pounds Calculate the Chevelle s 1 4 mile speed KEYSTROKE DISPLAY 0 1 Enter the estimated HP HP MSA 400 2 Enter the Vehicle Weight LBS 4100 3 Solve for 1 4 mile speed 1 4 107 723 MPH Repeated presses of will toggle through the inputs and output...

Page 39: ... 1 4 mile SPEED 107 723 MPH 3 Solve for Horsepower HP MSA 400 001 Repeated presses of will toggle through the inputs and outputs starting with the HP correction factor Estimating Rear Wheel Horsepower Based on Vehicle Weight and ET In this example your buddy has a 1973 Dodge Charger Rallye with an estimated Vehicle Weight of 4 280 pounds and made an ET run of 13 656 seconds Calculate the estimated...

Page 40: ...wheel HP based on current local measured weather conditions of 73 F absolute Pressure of 25 88 inHg and 14 relative humidity then calculate the estimated Horsepower again KEYSTROKE DISPLAY 4 Enter current local measured weather conditions TEMP 73 F Pressure P ABS 25 88 INHG RH 14 5 Solve for the vehicle s estimated MSA HP Corrected HP and HPc HP MSA 399 281 Corrected HP HP 332 17 HP Correction Fac...

Page 41: ...at your current Sport Truck T A tires have a diameter of 28 9 inches whereas the mud tires you are looking to upgrade to have a tire diameter of 33 inches Your four wheeler currently has a final drive ratio of 3 08 Calculate the equivalent drive ratio that is the drive ratio that will provide you with similar performance and responsiveness and the effect to your speedometer by going to a larger ti...

Page 42: ...dome ter You made the switch to the 33 inch tires and you want to know what your actual speed will be with an indicated gauge speed of 65 MPH KEYSTROKE DISPLAY 4 Enter the target indicated gauge speed of 65 MPH SPEED 65 MPH 5 Calculate the effect to speedometer TIRE RATIO 1 142 Final drive ratio D EFF RATIO 2 697 Equivalent drive ratio D EQV RATIO 3 517 Actual speed SPD A 74 221 MPH Gauge speed G ...

Page 43: ...an overdrive 0 68 in 5th The final drive ratio is 3 08 Lastly the tires have a diameter of 26 inches Speed Based on Gear Ratio RPM and Tire Diameter In this example calculate your top speed in 2nd gear assuming you are shifting at 5 500 RPM You will need to find the correct multiplier for 2nd gear Recall that the final drive ratio is 3 08 and 2nd gear is 1 99 KEYSTROKE DISPLAY 1 Clear all stored v...

Page 44: ...004 Repeated presses of will toggle through the inputs and outputs starting with the entered speed DO NOT CLEAR CALCULATOR It is estimated that the 5 0 LX will be cruising at about 1 760 RPM while going down the highway at 65 MPH in overdrive resulting in decent fuel mileage due to a low load on the 5 0 liter engine Gear Ratio Based on RPM Speed and Tire Diameter In this example you want to solve ...

Page 45: ...on method your calcu lator also shows a manual transmission GR M final drive ratio of 3 529 and an automatic transmission GR A final drive ratio of 3 582 Tire Diameter Based on RPM Speed and Gear Ratio Instead of changing your final drive ratio as in the previous example you could have solved for the performance another way by changing the tire size Using the known parameters of 65 MPH 3 000 RPM a...

Page 46: ...r Theoretical Street and Race See Volumetric Efficiency section on page 46 for more about VE The User Carburetor Size configuration utilizes a user entered VE value whereas Theoretical uses a predefined VE value of 100 Street uses a VE value of 85 and Race uses a VE value of 110 When calculating the Carburetor Size for your application be careful about what RPM you enter Selecting an overstated un...

Page 47: ...ugh the inputs and outputs starting with the Volumetric Efficiency DO NOT CLEAR CALCULATOR The Theoretical Carburetor Size of about 625 cfm was calculated based on the theoretical air capacity at the entered RPM and engine size 100 theoretical capacity In this example you want to upgrade to an application that leverages your modifications the Race Carbure tor Size of about 688 cfm might be your an...

Page 48: ... of will toggle through the inputs and outputs starting with the entered VE Notice the User Carburetor Size appears first in the output This Carburetor Size is calculated using the entered VE value of 95 As previously mentioned you are not likely to find an exact size of 594 cfm Volumetric Efficiency Volumetric Efficiency VE is the actual measured airflow capac ity at a particular RPM divided by t...

Page 49: ...00 ENG SIZE 400 CU IN USER CARB SIZE 625 CFM 2 Calculate your engine s VE EFF VOL 77 143 Repeated presses of will toggle through the inputs and outputs starting with the calculated Theoretical Carburetor Size The calculated VE of your GTO at 7 000 RPM is about 77 This value is just under 80 which for many typical street applications is on track Torque Estimating Flywheel Horsepower Based on Torque...

Page 50: ...heel Torque Based on HP and RPM If you know Horsepower output at a specific RPM you can calcu late Torque at that same RPM In this example your 400 CID engine produces 366 HP at 5 400 RPM Calculate the Torque for the same RPM KEYSTROKE DISPLAY 0 1 Enter your HP and RPM HP MSA 366 RPM 5400 2 Calculate the Torque at 5 400 RPM LB FT MSA 355 977 Repeated presses of will toggle through the inputs and o...

Page 51: ...l be compressed The greater amount of air fuel mix that is compressed the greater the combustion power will be The greater the combustion power is the hotter the combustion is which can lead to detonation Detonation pinging and knocking can be resolved by using higher octane fuel at a higher cost of course and or a change in ignition timing curve So to get big power you need big Compression Ratios...

Page 52: ...ression Cylinder Head Combustion Chamber Volume You will need to measure this manually Note Your Hot Rod Calc User s Guide does not go into details on measuring Piston Dome Volume or Combustion Chamber Volume You will need to consult an auto repair or engine building resource for that procedure Calculating Compression Ratio For this example you have a typical Chevrolet 350 CID engine Your known Bo...

Page 53: ... raise your Compression Ratio you could en ter a thinner Head Gasket Thickness of 0 015 All the other inputs are stored in your calculator KEYSTROKE DISPLAY 3 Change the Gasket Thickness by entering 0 015 inches Gskt Thickness G THK 0 015 IN 4 Re calculate the Compression Ratio COMP RATIO 9 253 Notice the increase in the calculated Compression Ratio In summary lowering the overall Chamber Volume w...

Page 54: ...es The following keystrokes will show you how to calculate the amount to mill KEYSTROKE DISPLAY 0 1 Enter your Stroke and current Compression Ratio STROK 3 48 IN COMP RATIO 8 5 2 Enter your target Compression Ratio and calculate the Mill Amount Mill Amount MILL 0 098 IN Repeated presses of will toggle through the inputs and outputs starting with the entered Stroke To raise your compression from 8 ...

Page 55: ...le stroke However if the Piston Speed is too fast the result can be disastrous for your engine With advanced math you could calculate the exact Piston Speed at any particular point in the crankshaft rotation Fortunately knowing the average Piston Speed is all you need to calculate when you are building your engine Modern metal materials enable higher Piston Speeds today upwards of 3 500 feet per m...

Page 56: ...s 2 900 feet per minute and is pushing the edge of what modern metal materials can handle even in short durations RPM Based on Piston Speed and Stroke Your Hot Rod Calc can also calculate an RPM limit should you want to calculate a limit based on a particular Piston Speed Cal culate an RPM with a Piston Speed of 3 500 feet per minute and a Stroke of 3 48 inches KEYSTROKE DISPLAY 0 1 Enter the Pist...

Page 57: ...espectively Calcu late the exact cubic inch displacement Your calculator defaults to 8 cylinders KEYSTROKE DISPLAY 0 1 Enter your Bore and Stroke BORE 4 12 IN STROK 3 75 IN 2 Calculate the actual Engine Displacement ENG SIZE 399 95 CU IN ENG SIZE 6554 004 CC ENG SIZE 6 554 L CYL VOL 49 994 CU IN Repeated presses of will toggle through the inputs and outputs starting with the entered Bore While the...

Page 58: ...er your Bore and Stroke BORE 3 75 IN STROK 2 94 IN 3 Calculate the actual Engine Displacement ENG SIZE 194 828 CU IN ENG SIZE 3192 656 CC ENG SIZE 3 193 L CYL VOL 32 471 CU IN Repeated presses of will toggle through the inputs and outputs starting with the entered Bore Bore Based on Engine Displacement and Stroke Building from one of the previous examples you want to push your cubic inch displacem...

Page 59: ...nches Stroke Based on Engine Displacement and Bore Next go the other way Keeping your stock Bore solve for a longer Stroke length KEYSTROKE DISPLAY 0 4 Enter your stock Bore of 4 12 inches and a target displace ment of 405 CID BORE 4 12 IN ENG SIZE 405 CU IN 5 Calculate the new Stroke length STROK 3 797 IN Repeated presses of will toggle through the inputs and outputs starting with the entered Bor...

Page 60: ...n Convertible 0 5 0 7 Station Wagon and Van Body 0 5 0 6 Notchback or Sedan 0 4 0 55 Fastback 0 3 0 4 Fairings all around streamlined shape 0 2 0 25 K shape 0 23 Optimum streamliner 0 15 0 2 Motorcycles 0 6 0 7 Trucks 0 8 1 5 Buses 0 6 0 7 Aerodynamic drag data from Bosch Automotive Handbook ...

Page 61: ...ll size flow 40 040 117 41 041 122 42 042 129 43 043 135 44 044 142 45 045 149 46 046 156 47 047 163 48 048 170 49 049 178 50 049 185 51 050 194 52 052 203 53 052 212 54 053 221 55 054 230 56 055 240 57 056 251 58 057 262 59 058 273 60 060 285 61 060 298 62 061 311 cont d ...

Page 62: ...8 392 68 069 411 69 070 429 70 073 448 71 076 470 72 079 492 73 079 517 74 081 542 75 082 566 76 084 587 77 086 615 78 089 645 79 091 677 80 093 703 81 093 731 82 093 765 83 094 795 84 099 824 85 100 858 86 101 890 87 103 923 88 104 952 JET No Drill size flow cont d ...

Page 63: ...36 0 01453 0 164 0 02112 0 021 0 00035 0 05 0 00196 0 079 0 0049 0 108 0 00916 0 137 0 01474 0 165 0 02138 0 022 0 00038 0 051 0 00204 0 08 0 00503 0 109 0 00933 0 138 0 01496 0 166 0 02164 0 023 0 00042 0 052 0 00212 0 081 0 00515 0 11 0 0095 0 139 0 01518 0 167 0 0219 0 024 0 00045 0 053 0 00221 0 082 0 00528 0 111 0 00968 0 14 0 01539 0 168 0 02217 0 025 0 00049 0 054 0 00229 0 083 0 00541 0 11...

Page 64: ...13 0 067 0 00353 0 096 0 00724 0 125 0 01227 0 154 0 01863 0 182 0 02602 0 039 0 0012 0 068 0 00363 0 097 0 00739 0 126 0 01247 0 155 0 01887 0 183 0 0263 0 04 0 00126 0 069 0 00374 0 098 0 00754 0 127 0 01267 0 156 0 01911 0 184 0 02659 0 041 0 00132 0 07 0 00385 0 099 0 0077 0 128 0 01287 0 157 0 01936 0 185 0 02688 0 042 0 00139 0 071 0 00396 0 1 0 00785 0 129 0 01307 0 158 0 01961 0 186 0 0271...

Page 65: ...o the following settings in addition to those listed above PREFERENCE SETTINGS DEFAULT VALUE Functional Result Rounding 0 000 Default Unit Format US Meter Linear Display 0 000 Depressing the Reset button located above the key will also per form a Full Reset APPENDIX D PREFERENCE SETTINGS The Hot Rod Calc has Preference Settings that allow you to customize or set desired unit formats and calculatio...

Page 66: ...al functions are automatically assigned the corresponding default US units of the selected function Additionally calculation results obtained within these func tions are displayed in US units METRIC unitless values stored within the motor performance and environmental functions are automatically assigned the corresponding default Metric units of the selected function Additionally calculation resul...

Page 67: ...URACY ERRORS AUTO SHUT OFF BATTERIES RESET Accuracy Errors Accuracy Display Capacity Your calculator has an eight digit display You may enter or calculate values up to 99 999 999 Each calculation is carried out internally to 12 digits Errors When an incorrect entry is made or the answer is beyond the range of the calculator an error message will dis play To clear an error condition you must press ...

Page 68: ...t Rod Calc uses two LR 44 batteries Should your calculator display become very dim or erratic replace the batteries Note Please use caution when disposing of your old batteries as they contain hazardous chemicals Replacement batteries are available at most discount or elec tronics stores You may also call Mr Gasket at 1 216 688 8300 Battery Replacement Instructions To replace the batteries slide o...

Page 69: ...0 www mr gasket com Warranty Warranty Repair Service U S A Mr Gasket warrants this product against defects in materials and workmanship for a period of one 1 year from the date of origi nal consumer purchase in the U S If a defect exists during the warranty period Mr Gasket at its option will either repair using new or remanufactured parts or replace with a new or remanufac tured calculator the pr...

Page 70: ...paired in your area you may contact Mr Gasket to obtain current product repair information and charges including freight and duties Disclaimer MR GASKET MAKES NO WARRANTY OR REPRESENTATION EITHER EXPRESS OR IMPLIED WITH RESPECT TO THE PRODUCT S QUALITY PERFORMANCE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AS A RESULT THIS PRODUCT INCLUDING BUT NOT LIMITED TO KEYSTROKE PROCEDURES MATHEMAT...

Page 71: ...is equipment has been certified to comply with the limits for a Class B calculating device pursuant to Subpart J of Part 15 of FCC rules Legal Notes Software copyrighted and licensed to Calculated Industries by Specialty Calculator Technologies LLC 2010 User s Guide copyrighted by Calculated Industries Inc 2010 Hot Rod Calc is a trademark and Calculated Industries is a reg istered trademark of Cal...

Page 72: ...Designed in the United States of America Printed in China 3 10 10601 Memphis Ave 12 Cleveland OH 44144 U S A www mr gasket com UG8703E B ...

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