V6 (1994-2004) MustangsTechnical discussions on the 3.8L and 3.9L V6 torque monsters Sponsored by Optima Batteries
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A little background: have a 04 V6 mustang, has a few small bolt on upgrades, exhaust system, and intake, and just recently bbk shorty headers.
The issue is after the headers were installed I immediately noticed a chugging or choking as it accelerated.. I took it to an exhaust shop and they told me the headers weren't leaking but we did notice the rubber plug missing on my intake tube. Replacing the plug didn't fix the issue.
Any ideas? I'm fairly certain it's airflow it feels as if the engine isn't catching it all. It was fine before the header install spark plugs, wires and coils are all good.
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I took some pictures and because i noticed what looked like the cause to me. On the driver side the headers meet the gaskets flush all the way threw however on the passenger side there are several spaces between the flush points... when i pointed it out to the mechanic he said this was by design...(-__-).. if this were true wouldnt it be uniform for each side. I'm not a mechanic so i didnt call him an idiot but i'm not dumb either and i dont think thats right at all, but maybe im wrong.
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