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Old 08-11-2022, 02:05 PM
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quick67bird quick67bird is offline
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Join Date: Mar 2005
Location: Tri-Cities WA
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Default Planning turbo engine build

I have some 32cc dish pistons in a 4.25 bore diameter that I want to use. I am planning on using these pistons. My thought is on what crank I would like to use. Should I use the offering from Molnar in a 4” stroke or should the 4.25” stroke. This is not some max effort engine, but should run good.

I have my 74cc combustion chamber aluminum Kre Dports for cylinder heads. With the 4” stroke I will get 454 cubic inches at about 9.04:1 compression. With the 4.25” stroke I will have 482 CI at about 9.54:1 compression. I have the turbo manifold already set up for a single turbo. I am thinking of using s S400 or an S480.

This is not a total budget build, but I do need to spend my money wisely to get it done.

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67 Firebird 467 cubic inches 7.71 @ 92 in the 1/8 and 11.69 @ 115 in the 1/4.