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Ok guys first let me clarify something.....i never expected one to outperform the other i actually figured the ptc would be slower because it was built tighter.my grievence is a tighter built conv(ptc)has the same amount of slippage the looser built(coan).



Once again i bought the ptc on the pretense that it would work for me as a NOS conv.i spoke with [Email]kenny@ptc[/Email] because i had a choice of 3different 8"ptc verts at the time this one seem to fit the bill for the power adder deal.i guess i should have worded the post a little differently because it wasnt a apples to apples comparison just somewhat dissapointed that the "tight"conv has that much slippage i was expecting btw 4-6%.im thinking of sending the coan to ultimate for a tuneup and maybe the ptc back to kenny for an adjustment.Nick



Did you try this conv with the nos to see if it
tightened up on slippage... big difference between
using nos or not... I'm wondering if using the nos
it would decrease the clearance to tighten up the
fin clearance due to the added torque and heat