ok,,here is my question,,,,i have a 2.3 block..using a 2.3 crank,i have 5.7 rods in it with keith black 40 over pistons..i want to use a 2.5 crank in it..will this crank work with the rods and pistons i already have??
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Results 1 to 4 of 4
Thread: 2.3 using a 2.5 crank
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11-04-2011, 08:15 PM #1
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2.3 using a 2.5 crank
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11-04-2011, 09:14 PM #2
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No! You will need different pistons.The longer stroke crank requires the wrist pin be moved higher in the piston.You must also have a small journal block for the 2.5 crank to fit.If you have a large journal block you will need bearing spacers to use the 2.5 crank.
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11-08-2011, 01:04 PM #3
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Yes and also the block will have a spot on the oil pan rail that will need to be notched for rod clearance....
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11-09-2011, 12:05 PM #4
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No it will not, The 5.7/2.5 combination need a raised pin location on the piston. If not the piston tops will contact the head.
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