Re: inj housing porting without headers
Does the skip-shift light still come on? If so, it's probably unplugged vs a chip. Tach is hard to say, because so many are not accurate.
And yes, porting with stock manifolds is worth it. I did headers last. Headers have the most downsides in terms of a louder, rattlier car, and of course it's harder to pass a smog test.
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