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-   -   hard starts (http://www.azht.net/forum/showthread.php?t=197933)

m0uaman1 06-12-2014 07:50 PM

hard starts
 
having issues. running neptune RTP on e85 and 1000cc injectors.

if let the car sit for over night and starts right up in the morning its fine. it takes a few cranks to get started when going to lunch and home. engine is still warm during those time.

seems like its heat related, cold starts works great. warm/hot starts take awhile after the car has sat for more than 10 minutes. i tried messing with the raw cranking but just flooded it, i dont know where to start.

blackyem1 06-13-2014 04:15 PM

Main relay..sometimes stick with the heat.

m0uaman1 06-15-2014 06:45 PM

cant be, when i give it throttle it helps with starting up.

BDD 06-18-2014 06:14 PM

Try adding more fuel to the hotter cranking trims

m0uaman1 06-18-2014 07:52 PM

yes i will try that.

i noticed in your sig you used S2T2 cams with you turbo setup. what turbo manifold you running? i had the same cams with my spa top mount and when i hit vtec the boost would bleed off and start building up again. i swapped them out for gsr cams and ran great.

BDD 06-19-2014 01:32 PM

I have a ramhorn manifold I made with a ported collector and open downpipe. The turbo exhaust wheel also plays a big role when using bigger cams. If you have too much exhaust back pressure the cams wont respond well.


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