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Old 04-12-2010, 05:58 AM   #55
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Join Date: Nov 2009
Location: Connecticut
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My Ride: 2005 ZHP TT Stg 1
Originally Posted by Rich V View Post
Do the harmonic related issues seem to be limited only to the m54b30? Are the m52tu and m54b25 less prone to oil pump and squirter failure when used for heavy track use? Trying to decide what route to go with on my e46 sedan build...TIA!
To avoid double posting, this thread seems like a good place to go for this:

From what I've read it looks like M54B30 + hardened oil pump + stock flywheel + stock redline = A-OK even on pure track cars.

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Last edited by McSpeed; 04-15-2010 at 10:24 AM.
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