Engine Combo Question

General engine tech -- Drag Racing to Circle Track

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Crew Chief
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Engine Combo Question

Post by Crew Chief »

Hello,
I have parts to build a 4.155" bore x 3.625" stroke, with a 6.000" rod, 2.00" rod pin and 12:5:1 pistons.

However I am thinking of going with a 3.250 stroke crankshaft instead. Does anyone here know if the rods and pistons I have will work with the 3.250 stroke crank?
Thanks
cgarb
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Re: Engine Combo Question

Post by cgarb »

Your pistons will not work. The rods may be able to be used over with the new crank if you get pistons that will match.
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FC-Pilot
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Re: Engine Combo Question

Post by FC-Pilot »

Or cut .1875 off the deck of your block. 😂 Better to do new pistons in my opinion.

Paul
"It's a fine line between clever and stupid." David St. Hubbins
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