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10-04-2016, 09:33 PM
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Senior Member
Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
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Re: 4l65 tranny
5 Pinion Input & Reaction Carriers, Hardened Stator Splines, Heat Treated Sun Shell & 7 .065" 3-4 Clutches vs 6 .080" 3-4 Clutches found on 4L60E's.
Truth be told.....They burn down at a greater frequency than standard 4L60E's because the thinner .065" 3-4 Frictions. 4L60E 6 .080" Friction stacks are proven to hold up better. To run a 7 Friction stack, It is better to thin the Steels from .095" to .077" & run .080" Frictions..... The 5 Pinion Carriers are nice pieces, But 4 Pinion Carriers will handle 500 horsepower. Carriers fail from Torrington bearing failure that GM did NOTHING about with the 4L65E. The Stator & Sunshell are good things, There are stronger Sun Shells out there though. |
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