Ok need a little help here
09-13-2005, 09:59 AM
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Car: 89 Formula
Engine: 383 vortec tpi
Transmission: t56 woot
Ok need a little help here
Allright I've got a 350 40 over with a factory lt4 cam stock vortec heads tes headers and a stealth ram my base timing is set at 8 degrees and fuel pressure to 50 psi with the vacume plugged.
Before it would scream up to 6500 rpm then I took my cat back off to make way (I have a set of super comps and 4 inch mufflex waiting to go on) and of course drove it around on the open y pipe now above 5000 under load it chuggs and sputters.
I thought it might be knocking and pulling timing but wouldent that throw a code?
Any feed back is greatly appreciated.
AL
Before it would scream up to 6500 rpm then I took my cat back off to make way (I have a set of super comps and 4 inch mufflex waiting to go on) and of course drove it around on the open y pipe now above 5000 under load it chuggs and sputters.
I thought it might be knocking and pulling timing but wouldent that throw a code?
Any feed back is greatly appreciated.
AL
