tuning tips for high compression turbo
can someone give me a baseline for timing and afr?
right now i just put it in exactly at tdc and locked it down i tuned afr to around 11.0 to 1 on 91 octane s4 street ported turbo motor with s5 NA rotors (9.7?) and counterweight A/R .60 M24 B.O. Garrett hybrid 28mm wastegate boosting 10 lbs V mounted, 3 inch DP and exhaust safc 1 , rtek 1.8 (retards timing 1 degree every pound boosted over 9/built in fcd etc.) with 720 injectors all around aeromotive fpr with ss fuel lines parrallel, walbro 255 plx r 500 wideband/egt/knock controller im also getting this lean spot at light throttle at 3500. thanks in advanced |
lean spot at 3500? could be a grounding issue.
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yea im gonna REcheck all the grounds. any other tips??!?!?!?!?!
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ive owned a 2.0 and did alot of research on the other rtek's. the rtek 1.X's dont retard timing enough. i would recommend manually retarding timing an additional degree per psi after 9 lbs.
as for the lean spot, like stated above, a grounding issue would be a good place to start. have u gotten the secondary stumble fix yet? if so, i would just get alittle more aggressive with the fuel to smooth out the injector transition. |
i made another post in the rotary performance thread and philiptompkins said to advance it more
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advance (more power) = more of a chance to blow ur shit up
retard (lose alittle power) = way safer check the other thread... |
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