Trans and rear end compatibility

10

Asked by THAIBONES Jul 16, 2020 at 09:33 PM about the 2005 GMC Sierra 1500 SLE Extended Cab LB

Question type: General

I'm doing some upgrades to my 2005 GMC Sierra
1500 SLE 5.3 V8 for towing capacity.  The wife
wants to get a bumper pull camper and "explore"
places, lol.  I already have a performance 4l65e
tranny in route.  It has shift kits, 8 ring gears, super
servo, etc.

My question is...will a 1500hd rear end be
compatible with the 4l65e tranny?  Bolts right in,
with other parts, or impossible?  Thanks in
advance for any help and advice.  

3 Answers
10

THAIBONES answered 4 years ago

I have a class 3 hitch. No electric brakes, but the new transmission will have a cooler

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F_O_R answered 4 years ago

Upgrading the engine and transmission cooling is wise! Depending on the trailer you may want sway control and a weight distributing hitch.

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10

THAIBONES answered 4 years ago

Been all the way down to the block in the engine. Putting out around 355hp. Will have to look into the electric brakes, and sway control. Thanks guys

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