Pontiac - Race The next Level

          
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Old 01-11-2008, 11:05 PM
nitrousdave's Avatar
nitrousdave nitrousdave is offline
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Red face SIZE OF REGISTER OF 75 400 CRANK

hi, can anyone tell me the size of the register on a 1975 400 crank? i am looking for a aluminum flywheel and i need to know as i dont't have the engine disassembled right now.

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Old 01-12-2008, 01:48 AM
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johnsma22 johnsma22 is offline
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A 75 400 crank should have flywheel register of 2-3/4" (2.76" to be exact). When I bought my new steel flywheel from Mcleod it had an insert that would allow it to fit on the smaller (2.6") register. I just needed to knock it out for it to fit the larger size register on the 73 400 crank that I had. Mcleod used to offer two different flywheels, but it was easier for them to just make one with an insert to fit both.

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