12-26-2017, 10:42 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 21,897
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Not Ranked
From the ERA web site:
The 428 crankshaft can be installed in a 427 block (with Chevy pistons) to yield a torquer with 454 cid. You lose the forged crank of the 427, but it does make a sweet and strong street engine. Cast crankshaft failures on the street are extremely rare. The 427 crankshaft is internally in balance, while the 428 crank relies on the counterweighted flywheel to complete the balance.
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