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Tuned Port Injection. A method of fuel injection, used on the early C4 Corvette L98 motor, (1985-1991). ...
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Re: Spark Knock is back.... and I figured out why... And it's BACK AGAIN!!!!

Subject: Re: Spark Knock is back.... and I figured out why... And it's BACK AGAIN!!!!
by BillH on 2011/10/20 0:23:30

Quote:

bogus wrote:
it's back... and I think it's still EGR related... either the valve or the internals are all gummed up with carbon.

time to dig deeper... but it's got all the tell tales of EGR... a light stumble at speed, spark knock and a bit fragile feeling overall. It doesn't happen when cold and doesn't happen all the time... gas level is good. Fuel pressure is good.


No H32, huh?
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