Thread: 78 K20 towing with 454
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Old 11-27-2019, 11:09 AM   #15
GRADYS Performance
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Re: 78 K20 towing with 454
Quote:
Originally Posted by 1976gmc20 View Post
Are you towing at 75 mph ? (Gooseneck?)

Can one tow with a 4L80 in overdrive? (not supposed to with 4L60/700r4)
Yes you can tow with a 4L80E in overdrive. That is what is was made to do.
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