Originally Posted by
64GunPilot
I agree a locked TC is the way to tow and keeps the trans temps down, however, the 4L60 has a weak sun gear that tends to strip the splines, or snap completely regardless of heat. I assume most break because folks are spraying nitrous or have beefed up their engine in some way that the sun gear couldnt hold up. Maybe behind a stock 255hp/330lbft vortec 350 it wouldnt hurt it regardless of the load. IDK. My life is always an adventure, and I tend to ride the envelope of limitations lol.
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