JD 9.0L crank in 7.6 block? June 21, 2019 01:05AM
Guys, I’m sure it’s been asked before, but is it possible to put a JD 9.0L crank in a JD 7.6L block? Obviously there is machine work required, just trying to understand the ramifications and whether it’s the right direction.

Re: JD 9.0L crank in 7.6 block? June 21, 2019 02:59AM
Mains are larger on the 9.0L. You could drop it in an 8.1 block without issues.

Re: JD 9.0L crank in 7.6 block? June 21, 2019 04:30AM
Awesome! Thank you for the response!

Re: JD 9.0L crank in 7.6 block? June 21, 2019 05:23AM
Yes it can be done. We’ve done it and it worked. 375.00 off the mains and 275.00 of the rods

Re: JD 9.0L crank in 7.6 block? June 21, 2019 05:37AM
Guys, just to clarify, are 8.1L and 7.6L rod journals the same size width and diameter?

Re: JD 9.0L crank in 7.6 block? June 21, 2019 11:00PM
Crank pin diameter the same, the 8.1 width is larger

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