03-14-2007, 10:32 AM
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CC Member
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Join Date: Oct 2003
Location: Saratoga Springs,
UT
Cobra Make, Engine: Shell Valley, 418W, tremec 3550tko, 9" ford rear, 3.0 gear, silver/black
Posts: 408
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Not Ranked
Hard right turn - engine stumbles and dies
I had my 418W dyno tuned last year to pass the emissions test and then took it back to be tuned for optimum performance after EM test was completed!
Since then when I make a hard right turn exiting the freeway @ 60mph onto another highway my engine will stumble and run rough for bit and if I have to stop about 1/4 mile after the hard turn the engine will die. I thought that I was having fuel slosh so I lowered the fuel level in the Holley 750 DP about 1/4" and it still did the same thing. I lowered it another 1/4" with the same results. The engine acts like it is getting too much fuel on the turn (runs rough for a bit but if I do not have to stop it clears up soon) but I do not want to lower the carb fuel levels too much. I am currently down about 1/2" from the sight holes!!
Engine has MSD 6AL Ignition with an MSD Pro Billet Distributor!
Any advice would be much appreciated!!
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Terry
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