What specific parts should I upgrade for a 4L60E rebuild used for light towing?

Tiny
TOMCAT750
  • MEMBER
  • 2002 GMC YUKON
  • 80,000 MILES
Moving past the premise that my 4L60E transmission is currently in the repair shop due to a worn out 3/4th clutch. In order to slightly 'beef up' my tranny rebuild for weekend trailering a 2000lb boat in moderate terrain, what specific parts might I ask to be installed (vs factory OEM)? Ie: 4 vs 5(? Or more?)3/4th gear clutch pack assembly, corvette servo, beefier sun shell, 5 pinion planetary, bigger boost valve, single vs dbl gauge sprag, 7 vs 10 pump rotor vein, and I have read several forums talking about having the valve body drilled out in a certain passage? These are the possible upgrades I was hoping to get expert advice on. I would appreciate any suggestions that would help me decide during my rebuild process. Thanks! Tom
Sunday, February 12th, 2012 AT 3:39 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
We only recommend direct fit parts.
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Sunday, February 12th, 2012 AT 5:52 PM
Tiny
TOMCAT750
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  • 4 POSTS
We only recommend direct fit parts.
Any chance you'd care to elaborate on what you mean by that reply?
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Sunday, February 12th, 2012 AT 8:33 PM

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