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Old 06-15-2017, 06:06 AM
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ACHiPo ACHiPo is offline
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Join Date: Oct 2016
Location: Pleasanton, CA
Cobra Make, Engine: ERA 824 with 470 FE BBM street 427
Posts: 550
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I've heard similar things to Brent's comments on the Al blocks--the estimates I've gotten are that Al blocks cost ~$3k - $5k more to machine and build than a cast iron block. I've heard nothing but good things about the BBM blocks. I haven't started building mine up yet, so I can't say for sure how much (or little) machining it will take, but I'm guessing Brent's pretty much on the money--square the deck, pressure plate hone, etc.
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