I recently purchased and installed a Fidanza Aluminum Flywheel. Fidanza is located in Perry, Ohio and was introduced to me by Rohe Racing at the Fun Ford Weekend in Norwalk. I was very impressed with the setup and ended up buying one.
As for the balancing issues, they come with pre-drilled holes for attaching counter balance weights for 50 oz (stock) 28.2 and 0 oz.
I installed it with a King Cobra Clutch, and a new Tremec 3550. I have noticed a slight difference in launch, however this could be due to the new clutch?
I took it to the track with 500 miles on my new tranny, et al. and with a decent run (no powershifting), I ran a 13.3 @ 104.65 with a 2.28 60'.
The rpms climb faster - that's for sure! The loss in torque is just not what people kept telling me it would be. To be honest, I think with a better 60', some real shifting and a few more break-in miles on my 3550, I will see very low 13's / high 12's @ 106 or better.
Good luck with your decision.
E
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1991 5.0 LX Coupe - 40,750 miles
331 cu. in. / Tremec 3550 / BFG Drag Radials
12.22 @ 114.31 mph - w/1.89 60'
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