Small block 426 stroker with trickflow heads. How much HP.

1965fish said

Yeah. I have a couple things holding it back a little.
Small headers, 3" exhaust and mufflers, no hood scoop and 3450 lbs with driver.

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Depending on the exhaust/mufflers, that may not hurt it much. My car runs almost the exact same number with or without my 3" exhaust. My exhaust exits before the rear tire with Dynomax race bullets for mufflers if that helps.