Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
07-25-2006, 03:10 PM
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Re: 427 engine..
My guess is that the 7115 cranks were probably used with the heavier open chamber 12.5:1 domed pistons for the L88 and ZL1 since the counterweights are slightly wider for balancing purposes. The 396 and 427 11:1 closed chamber pistons were lighter and worked with the narrower counterweighted 6223 crank.
Paul
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70 Camaro LA Z-28 03B Citrus Green LT-1 M-40 3.73's 69 Camaro X-77 Z-28 10C Cortez Silver M-21 3.73's Deluxe Project X - SOLD 69 Camaro X-77 Z-28 01B Garnet Red w/Black top, M-20 3.73 Deluxe Houndstooth 
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#2
07-29-2006, 09:17 AM
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Re: 427 engine..
Has anyone heard of using a tall block spacer to match up or transition an oval port manifold with rectangular heads? Hey Nuch, what was that about using a rectangular manifold with oval heads?
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