View Full Version : best circle track cam
fast hot rod
09-02-2013, 03:51 PM
i am looking at getting a new cam and want to know what the best cam is with good torque! imca modified 421 cubic inch
JustAddDirt
09-13-2013, 12:32 PM
pbm 30009 roller cam
23º cylinder heads under 415ci
was not aware that IMCA could not run a roller.
DRTRCR22
09-16-2013, 09:49 AM
JR Motorsports/Karl Performance PRC109H hands down the best high torque full range IMCA flat tappet cam I have every run...! Make sure to get the "H" version (nitride hardened) for a couple $ more, and the Crower lifters with oiling holes on face, and they will last two seasons or more of hard racing. Have never had a failure yet after 10+ years, and my race engine builder swears by them. 3200 to about 7800 screaming stump puller... :O)
propit21
09-16-2013, 09:59 AM
Call isky cams and talk with a tech, best service in the business.
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