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Old 05-10-2010, 09:46 PM   #87
PEI330Ci
58mm of Bliss
 
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Join Date: Jul 2003
Location: PEI,Canada
Posts: 3,836
My Ride: 330i, 330Ci
Quote:
Originally Posted by jacobs323i View Post
so i do have the block out and to the machine shop, what exactly should i ask them to do?
That depends on your goals.

You stated before that you were looking for 450whp, which I think is a really good number to aim for with a street car. I know for a fact that Raceware 10mm head studs will hold this. (I made 430+rwtq...)

I recommend sticking with Raceware 10mm head studs for your goals.

If you want to make 600+rwhp, then I'd look at doing what Julio did, or getting 11mm head studs.

I'm just silly, so I went right to 11mm for my race engine, which will never be street driven and will likely be torn down every 1000kms.
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