I just pulled my old spec billet steel flywheel out, been in there for 10yr (35k miles)!
Since the machine shop got my parts back then, I couldn't confirm the balance (asked for 28oz) as they assembled it. SO... is this a 28oz flywheel (assuming yes? note there are 4 missing slugs in the lower right corner):
Replaced it w/a new Fidanza AL flywheel, spec 2+ and getting some vibration between 1500-2500 rpms. Trying to diagnosis the vibration as I put the smaller 28oz weight on the Fidanza. Balancer is an old SFI Pioneer.... Revs OK and idles ok, maybe some vibration letting off the gas though.
Since the machine shop got my parts back then, I couldn't confirm the balance (asked for 28oz) as they assembled it. SO... is this a 28oz flywheel (assuming yes? note there are 4 missing slugs in the lower right corner):
Replaced it w/a new Fidanza AL flywheel, spec 2+ and getting some vibration between 1500-2500 rpms. Trying to diagnosis the vibration as I put the smaller 28oz weight on the Fidanza. Balancer is an old SFI Pioneer.... Revs OK and idles ok, maybe some vibration letting off the gas though.