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View Full Version : problem with 4l60e tune



jaysonolson1
August 27th, 2012, 12:05 PM
I have 2003 silverado and i had it tuned and after that i have blown up four transmisions does anyone have any experience with this truck and tranmision setup.

joecar
August 27th, 2012, 12:36 PM
Log GM.TRQENG and GM.TFMPRS, check that these go up high as throttle/load/torque goes up.

nonnieselman
September 4th, 2012, 05:58 AM
what mods do you have to the truck?
A harsh shift will kill that transmission in a hurry.. i went thru 15 of them.

lil more info on the truck will help!!

joecar
September 4th, 2012, 02:16 PM
Yes, harsh shift or slippage will kill it promptly.

minytrker
September 4th, 2012, 03:43 PM
Post up your tune. I have seen alot of shitty trans tunes over the years. If your having that many problems either your tune is WAY off or you dont have a good trans builder or it could be little of both. Our 4l60's have been tested up to 800rwhp, if they are built and tuned right they can handle alot of power.