504 stroked to 540 January 19, 2019 11:27AM
Building a case 504 large journal for a 3000rpm class, is it worth stroking it to 540? If so what do we do for bearings?
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Re: 504 stroked to 540 January 30, 2019 11:01AM
Yes it's worth it, changes the rod angle ratio for the better. You have the crank welded & run same bearings as you would with stock crank. Is 540 the limit for your class?
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Re: 504 stroked to 540 January 31, 2019 01:52AM
Thanks. 540 is the limit. Is getting the crank welded the only option or can I go the oversized bearing route?
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Re: 504 stroked to 540 February 05, 2019 11:06AM
I don't know of an oversized bearing method, you must be referring to the method where you take a large journal crank & offset grind it by.250 & then use the small journal rods on it. That gives you a 529ci. Small journal rods are.5" longer though which ain't good imo. The welded crank will cost more but will give you a better setup.
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Re: 504 stroked to 540 February 05, 2019 11:25AM
long rods aren't good ??????????????????????????????????????????????? please tell us why not? you can get any rod any size you want.
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