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Re: Light towing with a 700r4
Quote:
Originally Posted by tutone
Let's say we tow in 3rd with the r4. I run 235/75s on the back and calculated 55 mph at 1:1. Screenshots below. With the t350 in my 72, I went all over the place with it. I can see why now. I do have a 3:08 gear set and if I do tear this one up [700], i will swap to a 3 speed.
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My 85 with built up 350 with 3.23 ,700r4 is a dog going up hill empty in 3rd I never use OD unless I'm on level ground doing 70+ . Lockup is annoying at anything under that speed .
I wouldn't tow with any gearing higher than 3.50
Back in the 90s I had a 87 Suburban 350 with 700r4 with 3.73s I towed a 30 Gulfstreem trailer at right around 8500 loaded . Trans went at 139k put a Goodwrench 700r4 in it sold it with 250k
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Mark
72 c20 custom camper Husky edition,
66 SS396 Chevelle 1964 Hawk, 63 Avanti,62 lark
1969 AMX ,
1968 c20 stepside ,85 K20
1977 Suburban sold
68 anniversary.
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