4l80 shift kit

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Jan 27, 2008 | 09:08 PM

Tiger2o69

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From: MS

4l80 shift kit

I have read that a stock 4l80 with lower miles will be fine to like 700rwhp in our cars..

Is a shift kit recommended at all then? I found a couple on ebay that say they correct these problem..

GMC YUKON XL 5.3L
6.0L-HUMMER
V-8-CHEVY SUBURBAN 5.3L-6.0L.

THIS KIT WILL,

END DIRECT CLUTCH BURN-UP.
HOLDS BIG HORSEPOWER!
HOLDS 1ST, 2ND AND 3RD TO ANY RPM.
OPTIONS OF COMPETITION
OFF ROAD
PRO-STREET
STICK SHIFT (FULL MANUAL AUTOMATIC)

and this one

GMC YUKON/XL 5.3L - 6.0L
HUMMER V-8
CHEVROLET SUBURBAN 5.3L - 6.0L
CHEVROLET TAHOE

THIS KIT IS A GREAT UPDATE TO ANY 4L80E TRANSMISSION AND INCLUDES A NEW EXTREAM QUALITY BOOST BUSHING WITH MATCHING BOOST VALVE AND CORRECTS / PREVENTS / REDUCES THESE OTHER PROBLEMS,

HIGH PRESSURE PARTS BREAKAGE
DIRECT CLUTCH BURNUP
SOFT 2-3 SLIDE-BANG 1-2
LOW PRESSURE DUE TO SOLENOID FILTER BREAKUP
NO UPSHIFTS WITHOUT DIAGNOSTIC CODES
3RD CLUTCH FAILURE
COMES WITH WIDE BOOST VALVE AND PRESSURE RELIEF VALVE

but.. I dont see hd2500 anywhere which is what my trans come out of.. does it matter?

Jan 27, 2008 | 09:26 PM

FLT

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From: Wood Dale, Illinois

The transgo hd-2 kit is the one that we install. I believe that we have it listed for sale in our parts section. Vince

Jan 28, 2008 | 11:44 AM

Tiger2o69

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From: MS

alright.. I suppose thats a yes on needing one..

What about trans/cooler flush.. Can you use that to flush the transmission?? thank

Jan 28, 2008 | 02:14 PM

Z'mnypit

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Quote:

Originally Posted by Tiger2o69

alright.. I suppose thats a yes on needing one..

What about trans/cooler flush.. Can you use that to flush the transmission?? thank

A trans cooler is a must. A shift kit well Ive seen big HP guys on here run them and some not run them. I personally didnt run one and have already out lasted any 4l60e ive owned without the 1st issue.

Jan 28, 2008 | 02:36 PM

Grr

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From: Fargo ND

yeah the transgo hd-2 is the one you want. i would put it in just for the added insurance, i plan on adding it soon as well as im getting well over 600whp now. shop around for a good price and buy it.
Gary

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