Has it thrown any codes, or can you pull any?   What kind of fuel pressure are you running to the stock injectors? Most importantly pull the plugs and get a description going....look for even coloration and same look between the 4 also. Sounds like its rich on start up almost fouling the plugs.....do you have to hold the throttle open for it to "catch on" and run?

WIth those I think I can narrow it to something, hehe.

  [EMAIL PROTECTED] wrote:

I am having trouble starting my car after it is warmed up. It starts totaly fine when cold, but after it warms up and you go to start it, it will stumble and start really hard and the tach will drop to like around 300 rpms then catch back up to around 900 and idle fine. I dont understand what it going on because it only happens when hot, and it idles fine. Some more info in the car is.. It is a 95 saturn turbo. JE forged pistons 8.3:1 compression, and gapless total seal rings, filed to 18 thousands for top ring and 15 thousands for middle ring. I am running a SDS and nology wires, Relocated coil tower on top of valvebody cover. I am using NGK plugs 2 steps colder Something like BCPR7ES-11 (I think thats the number) they are gapped to 30 thousands. It runs great when under boost at 10 psi but it really scares me when i am far away from civilization and it almost doesnt start. And right now the motor has 500 miles on it and i put the turbo o n at 400 miles and everything is great except the starts, and maybe a little skip when accelerating not under boost.
ANY HELP IS APPRECIATED
Thanks Tom



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