360 cam

The stock heads will work fine with a good valve job and install the springs that come in the kit to match the cam...


Look up the manufacturer's recommendations:

20-600-4 - Thumpr™ Hydraulic Flat Tappet Camshafts

Pay attention to the notes on the bottom of the page especially the last one stating it needs adjustable rockers...

They recommend stock converter = ok, 2000 stall better.... and a gear (3.55, 3.91, or 4.10)....


You may want to go with a little tamer cam or throw in some Rhoades lifters to tame out the idle without sacrificing top end... But the Rhoades lifters will also make it less lumpy which is opposite of what you want...

If you go with too big of cam without matching the other components, your car will fall flat on it's face... If you run a smaller cam your car will be faster than over camming it... .

Too small of a cam will just run a little short on the top end... Too large of a cam will run bad across the whole RPM range - especially with too small of rear end gear...

Don't get too eager to get a lumpy idle... bigger is not always better when trying to choose a cam...

I would run a smaller cam with that set-up if it were me...