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'07 Avalanche 4L60e Shift Kit

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Old 08-29-2018, 08:36 AM
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Default '07 Avalanche 4L60e Shift Kit

I haven't decided yet if I'm going to do this yet but wanted to ask the question anyway. I have no plans to swap the 60 for the 80, but if you were to install a shift kit in the 4L60e which brand\kit would you choose with so many on the market, and not having much if any experience with transmissions it's difficult to know which one to buy. You can see all my specs in my sig, to add the gears are OEM at 3.73 which is something else I'm considering upgrading sometime next year or a bit later to either 4.10's or 4.56's
Old 08-29-2018, 08:55 AM
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I have a vette servo and the $40-45 kit from Rock Auto. One word of caution, I dont recommend doing it yourself. I paid a shop to do my install, because after reading the directions I was like nah. Too easy to **** **** up, and the directions arent that great.

I still get the 4-2 shudder. But for now, she is holding.

https://www.rockauto.com/en/catalog/...ement+kit,8532
TRANSMAXX T74165E {#3522806}

looks like its gone up in price, or I don't remember what I paid for it. I have some of the stiffer springs left over. Says it fits your year too. By no means definitive, but I feel like it did help my trans.
Old 08-29-2018, 10:24 AM
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I wouldn't waste my money on the 60e.
Old 08-29-2018, 11:00 AM
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Originally Posted by madmann26
I wouldn't waste my money on the 60e.
Stop gap product. Has kept my truck on the road for ~6000 more mi. Not a waste per say, investment. I have an 80, just putting off the install the longest I can lol
Old 08-31-2018, 06:16 AM
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Sonnax 12 and 3-4 servos will address any issues until it’s fried. Lol. I did them to mine and solve da full throttle slipping issue at 125k.
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