429 boss

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Post  cesarperez on November 17th 2017, 3:53 pm

what is the largest stroke crank in a 429 boss block

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Post  dfree383 on November 17th 2017, 4:21 pm

4.500 goes in with no issues, just make sure you get the boss snout if it's an origional boss motor and you want to keep the original accessories
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Post  cesarperez on November 17th 2017, 4:25 pm

i thought a 4.750

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Post  dfree383 on November 17th 2017, 4:31 pm

It will fit but the Pistons get pulled out the bottom pretty far, I wouldn't use one for any street application that you want to last, 4.500 is where I'd draw the line
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