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Did consider the Allison but the 4l80 ( along with the 8.1 vortec ) was literally a bolt in deal- the P30 chassis already had the extra holes drilled in the frame so all I had to do was slide the cross member back and everything lined up, used Summits adjustable trans mount and shorten drive...

Yup that's the one. None of the shafts had any scoring or wear marks on them, a few black shadow "smears" on the 4th and direct/fwd steels but the frictions were all perfect throughout . I probably could or should have left all the bushings "as is" but since they came with the Jakes kit- the...

guess I worded that wrong, I was referring to radial play with just the shaft stuffed into the pump laying sideways. I was just making sure I had no binding of the bushings and noticed there is a slight bit of play on the big end vs the stator support tube. I am using the thinnest select I had...

I have .007 " rear play, am using the sonnax roller front hub and with the .057 pump shim, fwd end play was .012, I sanded it down to .055" and now have about .017" which i am happy with ( trans sitting on output shaft on the ground) . While checking stator bushing fit with the pump and overrun/...

copy Building with Jakes stage 2 kit and his B82 low stall diesel converter built to gas specs behind an 8.1 in a 13k pound motor home and will be seeing mostly mountain roads Any suggestions what to drill the bleeds out to ?

Have been building up my motor home 4l80 ( 1995 unit) I got from an RV salvage yard and found no cushion plate in the intermediate. I cannibalized a wave plate from the old 475 and used a .100 and .097 - ish steels to get .043 on the stack and found this post. The intermediate feed orifice - it...