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Old 01-09-2019, 06:41 PM   #21
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71gmcC15's Avatar
Join Date: Feb 2018
Location: Doland SD
Posts: 406
Re: Trans and motor not listed on spid

I could pull a house in 1st. I just skip it and use 2nd as 1st. But think that's how these sm465 where l. If there's even a close ratio then that then you could pull a small moon.
71 gmc c15 307 sbc 373 rear gears positrac sm 465 trans. ( not listed on spid but is original )
94 chevy k1500 350 tbi 373 rear gears 4l60e one wheel peel. Gutless
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