Ls6 heads-cam package trouble
Thread Starter
Teching In
Joined: Jul 2010
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Ls6 heads-cam package trouble Ok, I recently bought a 98 z28 which I was told has an ls6 block with ported heads and a big cam. When I bought the car, the owner told me it needed a tune, (the car would stall out at stop lights) which I had done within a week of purchase. After having the motor tuned, the tech told me it need an IAC, which was why it was stalling out. I replaced the IAC, which stopped the stalling after the engine warms up, however, it has problems starting now, and I have to hold down the pedal to around 1500 rpm's to keep it running. After a minute or so, it will "wake up", and raise up to around 2000rpms on its own, I can let off the pedal, and it will drop down to around 1200. The other strange issue is that every so often, it will stall out when I press the gas pedal, it sounds like its missing, but then it will suddenly launch to full power. This only happens when I have first started it, whether its warm or not. The ignition coils are MSD, and look to be fairly new, so I havent given them much thought. I'm aware that this is a jumbled bunch of information, but if anyone has any ideas, they would be greatly appreciated.
12 Second Club
Joined: Nov 2005
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could need just some basic maintinence like cleaning the maf,plugs and wires,clean the tb.
also try disconnecting the battery for a hour or so and the car will have to relearn its idle when you crank it back up.
some times when you swap out sensors the car will act funny untill its reset.
also try disconnecting the battery for a hour or so and the car will have to relearn its idle when you crank it back up.
some times when you swap out sensors the car will act funny untill its reset.
Thread Starter
Teching In
Joined: Jul 2010
Posts: 8
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Yea, I think I might take it over there again. The cam numbers are 236/242 112 LSA. The car idles too high in my opinion, the tac reads around 1200 usually.
