Cam match to intake

dano said

Changing the cam becomes a slippery slope. You'll likely need to change valve springs, higher lifts require the guides to be trimmed, custom length push rods, some will need adjustable rockers and I highly recommend degreeing the cam or your wasting your time and money on all the above.

The Performer and manifolds are holding you back if that cam is what they say it is.

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Thanks to all, keep the info coming. YY1, I think you hit it. Former owner wanted this to be more tame, ,no burn outs etc. Almost a trailer queen. That status is soon to be changed. I also get what dang is saying, as all these pieces have to match. Sometimes, don't fix what ain't broken. It is a lot faster than my '51 Chevy that is running a modified 235 inline and probably pushes 125 hp downhill on a good day. It does sound bad *** though through split dual headers with Flow masters.