Edelbrock 70050 Instruction Download

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Symptom #8… Vehicle surges under acceleration when system is activated.

1. Inadequate

nitrous

supply.

a. Weigh

bottle.

i. Bottle should be 10 lbs. above empty bottle weight listed on bottle label when

full.

b. Check bottle temperature.

i. Maintain 80 to 85 degrees of bottle surface temperature.

b. Check bottle valve.

i. Open valve fully

c. Check bottle orientation.

i. Mount bottle properly

FUEL SYSTEMS

EDELBROCK

Summary of Contents for 70050

Page 1: ...EDELBROCK NITROUS SYSTEMS PERFORMER RPM SERIES NITROUS SYSTEM This instruction manual supports the following Kit Part Numbers Performer RPM Nitrous Systems 70050 70051 and 70053 ...

Page 2: ...ow It is the responsibility of the purchaser to follow all installation instruction guidelines and safety procedures supplied with the Edelbrock Nitrous Systems It is also the responsibility of the purchaser to determine the compatibility of the product with the vehicle or the device on which the purchaser intends to install it Edelbrock Corporation assumes no responsibility for damages occurring ...

Page 3: ...ers wire strippers Floor jack Vehicle jack stands Measuring tape and placement markers Timing light Fuel pressure measurement gauge Safety glasses Power Tools Power drill Drill bits You should understand the following skills Power tool safety procedures Undercar safety procedures Proper measuring techniques Proper electrical assembly techniques Basic engine operation and tuning techniques which in...

Page 4: ...ecifically created for automotive applications and is available for sale to the public at many speed shops across the USA Safety Steps For Working With Nitrous Oxide 1 Never inhale Nytrous Plus Nitrous oxide N2O for vehicular use as continued exposure can cause death Nytrous Plus has a maximum of 100 parts per million ppm of sulfur dioxide and will cause irritation to nose and throat passageways 2...

Page 5: ...s can be located within the engine compartment The electrical components have properly sized and ample lengths of wire for some flexibility on where voltage signals are intercepted on the electrical system The solenoid and microswitch brackets have a universal shape to allow for adjustability in placement and location of these components The solenoids have ample feed line lengths for many differen...

Page 6: ...We also used different grades of fuel and colder plugs during the testing All stated timing adjustments listed in jet maps is where the motor being tested worked best Final timing should be adjusted to achieve best power and or MPH per application See section 5 0 Ignition Timing and Nitrous for more info on timing selection Any variation in jetting patterns other than what is listed above and engi...

Page 7: ...rements Fuel pressure and nitrous pressure gauges are very important Your fuel pressure must be set properly and a gauge is the only sure way to monitor system performance The same is true of the nitrous bottle pressure A nitrous pressure gauge is the only way to ensure that your system calibrations are within the parameters required of your horsepower setting Fuel Quality Because nitrous oxide is...

Page 8: ...rdware 1 ea Performer RPM Nitrous Solenoid Black 1 ea Performer RPM Fuel Solenoid Red 2 ea Solenoid Brackets with Screws 4 ea 1 ea 12 Nitrous Feed Line Blue Solenoid to Plate 1 ea 8 Fuel Feed Line Red Solenoid to Plate Fittings 1 ea N2O Filter Fitting 4AN x 1 8 NPT Blue 1 ea 6AN x 1 4 NPT Fuel Fitting Red 1 ea 4 AN x 1 8 NPT Nitrous Fitting Blue 1 ea 4AN x 1 8 NPT Fuel Fitting Red Bottle and Bottl...

Page 9: ...RPM Square Flange Jet Pack P N 70050 Performer RPM Spread Bore Jet Pack P N 70051 Performer RPM Square Flange Jet Pack P N 70053 2 ea Jet 57 2 ea Jet 68 2 ea Jet 78 2 ea Jet 85 2 ea Jet 99 2 ea Jet 59 2 ea Jet 71 2 ea Jet 81 2 ea Jet 57 2 ea Jet 71 2 ea Jet 85 2 ea Jet 104 ...

Page 10: ...o remove the bottle valve Please return your bottle to Edelbrock if service is required to the siphon tube inside the bottle or the bottle valve itself 2 Never heat the outside of your nitrous bottle with an open flame such as a torch 3 Do not strike the surface of your nitrous bottle with a heavy or sharp object 4 Do not drop your nitrous bottle 5 Do not attempt to grind off or destroy any imprin...

Page 11: ...the bottle must be mounted parallel to the axles of the vehicle sideways the valve handle and label must be angled at approximately 45 degrees toward the front of the vehicle This orientation will position the siphon tube toward the rear and pointing to the lower rear facing quadrant of the bottle All of this positioning information is critical to system operation It is important to draw as much l...

Page 12: ... and flat washers not included with kit 6 Tighten the mounting bolts using a thread locking chemical not included with kit 7 Install the rubber insulators within the bottle brackets 8 Slip bottle into the mounting brackets 9 Tighten bracket clamps as shown in the picture 2 4 2 Race Car Nitrous Bottle Installations Install the bottle brackets in accordance to race track and or sanctioning body rule...

Page 13: ...ly on pipe threads Do not use Teflon tape Hint Placement of the solenoid is often limited by the lack of possible mounting locations in the engine compartment However if possible observe the following suggestions Solenoid Safety Information 1 Keep solenoid and lines away from exhaust components 2 Trial fit the solenoids with all lines attached to ensure a proper fit 3 Solenoids may be mounted side...

Page 14: ... fitting using liquid Teflon in the outlet port of the nitrous solenoid 4 Remove fuel solenoid assembly from vise 5 Attach the universal solenoid mounting bracket to the bottom of nitrous solenoid 6 Verify desired mounting location for nitrous solenoid 7 Install fuel solenoid If solenoid mounting location is difficult to access leave solenoid loose so the solenoid inlet and outlet port can be easi...

Page 15: ...ay they are assembled 8 Examine the plunger seal for swelling cuts and abrasions The seal surface should be flat except for a small circular indentation in the center of the seal Note A seal that has been contaminated or over pressurized will bulge from exposure to chemicals other than fuel or nitrous oxide It can appear to extend down from the plunger and be dome shaped A contaminated seal may re...

Page 16: ...s in front of manifold and use extended bolts when re attaching carburetor on the rear of carburetor 70051 system 8 Install injector plate and gaskets supplied on intake manifold 9 Install carburetor 10 Re connect linkage all external vacuum lines and fuel line Note Every precaution has been taken to ensure the cleanliness of our components during the assembly of your Edelbrock Nitrous System Howe...

Page 17: ...oswitch mounting nut 4 40 4 2 ea Activation Microswitch mounting screw 4 40x1 5 1 ea 30 amp relay 6 1 ea Wire Harness w integral Relay Fuse holder 7 1 ea Red lighted toggle switch 8 2 ea 18 22g ring terminal 10 stud Nylon insulated 9 1 ea 14 16g ring terminal 10 stud Nylon insulated 10 1 ea 14 16g male spade connector Nylon insulated 11 2 ea 14 16g female spade connector Nylon insulated 12 4 ea 18...

Page 18: ...you do not cut any lengths of wires from the wire harness or complete the wiring of the nitrous system until all of the mechanical components are securely mounted in their permanent locations Once all of the solenoids and switches are placed then route the un cut wires from the harness to each location allowing enough wire length on each circuit to not interfere with operating linkages heat source...

Page 19: ......

Page 20: ...is forced closed by coming in contact with the carburetor linkage only at the wide open throttle position The nitrous system must only function at fully loaded wide open throttle operating conditions Microswitch Safety Information 1 Do not allow wiring from the microswitch to come in contact with heat sources on the intake manifold such as EGR risers or passageways 2 Do not run wires to the micros...

Page 21: ...aches wide open throttle against the throttle stop At no time should the microswitch be enabled before wide open throttle Pictured here is the microswitch assembly mounted for use with an Edelbrock Carburetor on an Edelbrock intake manifold This is an example of one of the ways to mount a microswitch to your manifold The microswitch bracket allows for many different mounting positions to clear alm...

Page 22: ...uld decrease if the fuel solenoid and delivery system is performing properly If not refer to Troubleshooting Guide 3 2 Nitrous System Check 1 Open nitrous bottle valve See note below 2 Inspect nitrous lines and fittings for leaks using a soapy water mixture and a small brush 3 If any of the fittings connections show bubbling around the attachment nut or on the threaded area of the fitting shut the...

Page 23: ...uel pressure when it is activated to the fuel solenoid you would be rich There are many different ways to jet to a specific power level However for the continued safe operation of your nitrous system we suggest you do not move too far away from the jet map listed within this manual Catastrophic engine failure could result Your Performer RPM nitrous system comes with matched sets of nitrous and fue...

Page 24: ...your application All stated timing adjustments listed in jet maps is where the motor being tested worked best Every aspect of the vehicle and engine affects your nitrous systems performance vehicle weight converter gearing engine displacement cylinder head type camshaft compression manifold and induction type etc The exact amount of timing to pull out varies for every combination Start conservativ...

Page 25: ...her You may choose to reduce timing 2 degrees at this point for an extra margin of safety At this point you need to look at the troubleshooting chart on pages 25 28 for assistance Pay close attention to the fuel supply with your nitrous system c If power decreases or vehicle mph decreases check for a burned spark plug or engine damage and reduce ignition timing 2 degrees Please refer to the Troubl...

Page 26: ...urn arming switch on engine off Activate microswitch listen for the solenoid to click If no click is heard i Repair Replace solenoid ii Check wire connections iii Verify the power is on iv Perform the wire wiggle test Symptom 2 Change in engine speed when nitrous bottle valve is opened 1 Malfunctioning nitrous solenoid a Repair replace solenoid See solenoid inspection instructions on page 14 2 Con...

Page 27: ...ttle orientation i Mount bottle properly 6 Inadequate nitrous supply a Weigh bottle i Bottle should be 10 lbs above empty bottle weight listed on bottle label when full b Check bottle temperature i Maintain 80 to 85 degrees of bottle surface temperature c Check bottle valve i Open valve fully d Check bottle orientation i Mount bottle properly 7 Mismatched nitrous fuel jetting a Compare jetting to ...

Page 28: ...us usage that you only use nitrous when the temperature and pressure of your bottle are correct Symptom 6 Engine detonates heavily when system is activated Inadequate fuel delivery due to 1 Plugged fuel filter a Inspect fuel filter i Clean or replace filter 2 Crimped fuel line a Inspect fuel line i Replace crimped line 3 Weak or inadequate fuel pump a Install fuel pressure gauge Run engine under l...

Page 29: ...a Weigh bottle i Bottle should be 10 lbs above empty bottle weight listed on bottle label when full b Check bottle temperature i Maintain 80 to 85 degrees of bottle surface temperature b Check bottle valve i Open valve fully c Check bottle orientation i Mount bottle properly FUEL SYSTEMS EDELBROCK ...

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