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Driving Techniques for Cars with an RPE Engine 
 
Paddle shift cars: 
 

 

The  clutch  is  sharp,  and  needs  to  be  let  out  slowly  whilst  the  car  is 
stationary. 

 

To  pull  away,  engage 1

st

  gear, with  the  clutch  fully  depressed,  raise  the 

revs to 2500 rpm, and slowly release the clutch. 

 

When  the  car  is  moving  slowly,  it  is  advisable  to  use  the  clutch  on  the 
way up and down the gearbox, and when changing up and down from 1

st

 

to 2

nd 

at speed.  However whilst on track, at racing speed the clutch is not 

needed, and you can keep the throttle open on up changes. 

 

Optimum revs to change up gears are between 9,500 and 10,000 rpm, as 
this is where the engine reaches its peak performance. 

 

To change down you should wait until the revs have dropped to around 
7,000rpm. 

 

The slick tyres on the car, the brakes and the engine will take a few laps 
to  warm  up.  Grip  is  greatly  reduced  on  cold  tyres,  so  it  is  important  to 
take this into consideration, and slowly build up your pace. 

 

The cars are at their best when driven smoothly, so gradual application of 
throttle, brakes and steering is best. 

 

Throttle and brakes must be applied separately, never together. 

 

All  braking,  wherever  possible,  should  be  done  in  a  straight  line  along 
with  down  changes.  If  excessive  brake  pressure  is  applied  whilst 
increasing steering lock  this will unsettle  the  car and possibly cause  the 
car to spin. 

 

The car should be in a straight as possible position before the throttle is 
applied,  with  minimal  steering  lock  on.  If  excessive  steering  lock  is  on 
whilst applying throttle, this will unsettle the car and possibly cause the 
car to spin. 

 

It  is  important  not  to  change  gear  while  experiencing  wheel  spin, 
especially in the lower gears.  

 

 
 
 
Cars on stick shift: 
 

 

All of the above applies, apart from the gear change technique. 

 

To change up and down the gears at low revs the clutch must be used. 

 

To change up the gears at racing pace, use of the clutch is not necessary, 
but can be used if preferred. To change up the gears, you need to lift off 
the throttle, and pull back on the gearstick to engage the next gear. You 
can  then  let  go  of  the  gearstick  and  it  will  return  back  to  its  central 
position 

 
To  change  down the  gears  whilst  applying  the  brakes,  you  need  to  depress 
the  clutch  and  push  the  gearstick  forwards  to  engage  a  lower  gear.  As  the 
gear is engaged you can release the clutch and let go of the gearstick, which 
will  return  to  its  central  position.  To  come  down  multiple  gears  just  repeat 
this process, making sure the clutch is depressed for each down change. 
 
 

Should the car spin 

Due to the design of a motorcycle engine, if it is forced to turn over 
backwards the starter system can become damaged. It is important therefore 
that if the car is in a spin situation, the clutch is depressed as a matter of 
urgency, to reduce the risk of damaging the engine starter system.

 

 

 

 

 
 

Summary of Contents for GSX-R 1300 Turbo

Page 1: ...Radical Performance Engines GSX R Engine Operation Manual Version 4 18 12 14 ...

Page 2: ...cal Easimap Setup Screen 7 Life Racing PTMon 7 Throttle and Airbox installation 8 Airbox 8 Fluid Levels and Temperatures 8 Coolant Temperature 8 Coolant Level 8 Oil Temperature both Wet and Dry Sump Systems 8 Wet Sump Oil Level 8 Dry Sump Oil Level 8 Starting Procedure 10 Re Starting 9 Service Intervals 9 Engine Oil and Oil Filter 9 Oil Filter Fitting Procedure 9 Fuel Filter 9 Air Filter 9 Engine ...

Page 3: ...rder including Air charge temperature Crank Position Sensor Oil pressure Fuel Pressure if applicable Coolant temperature Throttle Position Sensor Oil temperature Barometric sensor Cam Phase Sensor if applicable The oil system must be connected as per the information in this operation manual Please read this document carefully there are different types of oil system fitted to RPE 4 cylinder engines...

Page 4: ...ar Radical owner mechanic or distributor Your engine has been returned with a supporting brace on the rear of the engine In order to fit your engine you will need to modify the rear engine cradle by removing a boss as shown ...

Page 5: ... conditions whilst maintaining high efficiency Oil Systems Variations Due to a number of different oil cooling systems in circulation the oiling system must be confirmed before the engine is installed Oil System Number 1 2 blanking plates installed on the engine oil cooler inlet and outlet ports and the oil jet behind the oil filter is removed Oil System Number 2 8 or 10 oil cooler fittings on the...

Page 6: ...oil cooler or water to oil heat exchanger before returning to the oil tank Cast Sump Jet Location If the engine is fitted with a cast sump pan there will be no blanking plate on the sump pan just one on the engine Billet Sump Jet Location Blanking plates are fitted to the engine s OEM oil cooler in and outlet ports IMPORTANT When this oiling system is used the jet behind the filter must be removed...

Page 7: ... in it IF THIS IS NOT DONE IT CAN RESULT IN ENGINE FAILURE Oil System 3 Oil Cooler Fittings and Bung This system is mainly used on the Radical SR4 as they have long hoses that run to and from the oil cooler due to the radiator being mounted further away from the engine than normal Blanking Bung There are two fittings on the engine oil cooler inlet and outlet ports they are either 8 or 10 In this c...

Page 8: ...iagram Cast Sump Pan Breather Pot Connection To dry sump tank FROM UNION ON TOP OF ENGINES BREATHER POT Radical Performance Engines GSX R Oil System 2008 Onwards This is for an RPE Hayabusa Engine with a cast sump pan ...

Page 9: ...REATHER POT Oil System 1 Diagram Billet Sump Pan Breather Pot Connections To dry sump tank Radical Performance Engines GSX R Oil System This is for an RPE Hayabusa Engine with a billet sump pan FROM UNION ON TOP OF ENGINE BREATHER POT ...

Page 10: ... tank This is for an RPE Hayabusa engine with a billet sump pan Radical Performance Engines GSX R Oil System Pre 2008 Radical Performance Engines GSX R Oil System Pre 2008 This is for an RPE Hayabusa Engine with a billet sump pan Breather Pot Connections ...

Page 11: ...rom red to green when in correct range of 60 oC to 95 oC 2 Engine oil temperature eot changes from red to green when in correct range of 50 oC to 120 oC 3 Engine oil pressure eop1 At idle 70 psi when cold 20 psi when hot 4 Engine rpm rpm Engine should idle between 1500 and 1800rpm 5 Throttle position sensor tps1 needs to be set to 4 at idle 6 Engine sync state should be at 720 when engine is runni...

Page 12: ...engine running and the coolant up to 50 C hold the revs at 3000 rpm There should be no bubbles in the sight glass from 3000RPM blip the throttle and an air bubble should appear in the sight glass The sump is baffled and the oil takes some time to settle Dry Sump Oil Level For cars fitted with a dry sump system the oil level must be checked using the dip stick supplied The dry sump oil tank level m...

Page 13: ...rior to going on track Turn the engine off when the coolant temperature reaches 85 C and allow heat to soak into the engine Restart 10 minutes before going on track and get the coolant temperature to 75 C b The oil level should be checked after every hour of running and it should be topped up to the level indicated in these instructions Service Intervals Engine Oil and Oil Filter The engine oil an...

Page 14: ...d always be returned to RPE with the engine This is for two reasons Data can be checked Engine hours can be reset on the ECU In the event of an engine failure RPE should be contacted and the ECU s data should be downloaded and e mailed to Radical Performance Engines technical technical1 radicalperformanceengines com Debris may have transferred to the oil lines and cooler An exchange oil cooler MUS...

Page 15: ...s maintained within its operating parameters Do not allow the water temperature to rise above 90 C 6 Place the syncrometer in throttle body number 3 This body is not adjustable it is your base which the rest of the bodies need to match The syncrometer will normally read between 5 and 7 7 Place the syncrometer in the other bodies using a 7mm spanner and 2mm allen key as shown in the picture below a...

Page 16: ...ating parameters Do not allow the water temperature to rise above 90 C 6 Place the syncrometer in throttle body number 3 This body is not adjustable it is your base which the rest of the bodies need to match The syncrometer will normally read between 5 and 7 7 Place the syncrometer in the other bodies using a 7mm spanner and 2mm allen key as shown in the picture below adjust the other bodies to ma...

Page 17: ...appropriate information such as car type chassis number circuit and date Once this is done press Enter If on the other hand this has been set up the next part will be in the drop down box I e Track maps Data SR3 or SR5 or SR8 customer name track date All you then need to do is select the appropriate item until it is complete 6 Highlight select press return 7 A box comes up with there is no LR dire...

Page 18: ...e car and possibly cause the car to spin The car should be in a straight as possible position before the throttle is applied with minimal steering lock on If excessive steering lock is on whilst applying throttle this will unsettle the car and possibly cause the car to spin It is important not to change gear while experiencing wheel spin especially in the lower gears Cars on stick shift All of the...

Page 19: ...nceengines com RPE Technical Support technical1 radicalperformanceengines com technical2 radicalperformanceengines com RPE Parts Department parts radicalperformanceengines com RPE Sales sales radicalperformanceengines com Radical Sportscars Unit 24 Ivatt Way Westwood Peterborough PE3 7PG Tel office and parts 44 0 1733 331616 E mail Radical Technical Support technical radicalsportscars com Radical ...

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