Thread: Fluid damper vs harmonic balancer

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Originally Posted by tominiowa

Well how do you choose a flex plate ?

what year do you have ? like i said i seen were a 168 tooth for a mark 4 or mark IV bbc 1970to 89 were the weight was off from brand to brand and like i said if you have a bbc VI or VI so here is some flex numbers mark IV scat SFI scafp-454 sfi .sfi pioneer pio871003 scat V VI scafp-454l-sl ATI damper ati917740 or or street/'strip damper power bond SFI pbbpb1018-ss motor state part number as the ATI damper is small then the stock damper 8inchs ATI is 7.074 you will need a new billet timing pointer like allstar all90022 or ati ati918958 like i said the press needs to be check and honed for the right press fit on crank this can not be over looked . if you need Tech on this or want to be sure you get the right parts first time i am dealer for ATI .TCI . BHJ. Power bond . Romac . McCarthy Performance / Racing Engines to 632+ Cubes