C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Sep 6, 2024 | 10:33 AM
  #21  
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Really should also check your balancer as I discussed back in post #6. What you think may he 6 deg may not be.
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Old Sep 6, 2024 | 04:25 PM
  #22  
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Originally Posted by C4industries
There should be pressure there. Fuel should squirt out under pressure when you depress the valve. You need to put a fuel pressure gauge on that port and monitor it while you're driving, as I described previously.

Verify proper fuel pressure and initial ignition timing first. If either of those are off, it'll never run right. Also, there are no ECM codes generated for either of those issues.
Even before I got the cap off it started leaking. Like the Schrader valve itself was leaking without being depressed. I turned the cap 2 turns or so and fuel started leaking out from under it. I'll attach a pic

You can see fuel leaking out, that's as far as I got the cap unscrewed.

Originally Posted by Krusty84
Have you inspected the ribbed air intake tube yet? The engine taking in un-metered air is the simplest explanation to your problem.
I looked at it and everything looked fine. Next time I'm out at my parking garage I'll pull the whole maf out and see if it's dirty or if the bottom of the intake is cracked in a place I couldn't see

Originally Posted by ULTM8Z
Really should also check your balancer as I discussed back in post #6. What you think may he 6 deg may not be.
That's true, I gotta wait for the TDC stop to show up
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