fidanza flywheel bolts, and ACT tob question? Options

[xian 1g]

I recently purchased a fidanza flywheel. I noticed on FP that they sell an aftermarket flywheel bolts kit with a claim that the stock bolts are too short and without longer bolts the flywheel will come off.


this is the first i've heard of this????? should I get them? or does with a aftermarket flywheel use the stock bolts without problems?


my second questoin is that i've heard a lot of problems with acdt 2600 tob. I purhcased a brand new act 2600, should aI get a different tob?

thanks in advance.

[ranta18]

Flywheel bolts can also come loose from crank vibration during higher rpms. Sometimes people will run a solid crank pulley that replaces the stock harmonic balancer. Then the oil pump gear shatters, bearings wear bad and fast, and sometimes they find the flywheel bolts loose. Nate - I'm not sure if you have a solid underdrive pulley, but that with the high rpm rev's could be the reason. Or just the high rpm revs and the bottom end not being balanced exact.