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ChevotaSS 10-01-2002, 08:35 PM just wondering if anyone on here has delt with this. Ive been thru 2 flywheels and 2 starters on my 69 396. no matter how i shim it. eventually the flywheel and starter get tore up. does anyone know if you can only run a 168 tooth flywheel on a bigblock? or can i try a 153 tooth flywheel. is there a difference in sbc flywheels and bbc flywheels?? i dont have a sbc one to compare to mine. thanks ChevotaSS 10-02-2002, 05:13 AM nobody has an opinion on this i guess. 4Bangler 10-02-2002, 05:43 AM First of all, unless you've switched to a manual trans, you don't have a flywheel, you have a flexplate. I don't recall how a 396 is balanced, internally or externally, that would be a major factor, but when I put the 502 in my 1-ton, I was able to use the small block flexplate, but my small block had a funky flexplate for the 85lb torque convertor for my 4L80E trans. Just go down to Autozone and tell them you need a flexplate for a 396 big block in a '67 FJ40 with air conditioning, power steering, and poop on the seat, they should have one in stock. Get in the 'zone! rodzzilla 10-02-2002, 10:07 AM 396's are internally balanced. So, any pre '86 small block flexplate will work, as long as it isn't from a 400SB. mbryson 10-10-2002, 05:25 AM Originally posted by rodzzilla 396's are internally balanced. So, any pre '86 small block flexplate will work, as long as it isn't from a 400SB. Yeah, what he said. Flywheels/flexplates are interchangeable with the exceptions of the 400 SB and the 454 BB {both of which are externally balanced}.....I don't know on the the 502.....{wish I had some personal experience, however} | |