Corvair Engine - Upper to Cylinder Head Studs (long studs).

Been informed that Clark's Corvair new cylinder, upper to cylinder head studs, expand about 30-40 thousanths more than the original GM studs.

Clark's Corvair has informed me that it will not affect the engine.

Does anyone have actual experience with these new studs compared to GM's originals which are no longer available as "new original stock?

Any adverse problems?

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Comment by Bob Pustell on August 20, 2010 at 7:37pm
I will be trying to use all GM original studs, even if that means getting useable studs out of a junk case. I would rather not experiment with the difference in expansion, even though it is "not supposed to matter". Seems like too much difference, to me. Obviously, if no original studs are available, one tries the new ones and sees what happens. However, there are a lot of cores out there with useable studs, at least for now. My two cents.

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