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Re: My Possible Project (1990 Suburban)
Also, the TH700 have some pretty bad gearing for a large truck. First gear is really steep, but you have to make a huge leap from 1st to 2nd (almost as much ratio change as 1st to 3rd in some other transmissions). This leads to a really sluggish 2nd gear performance, and some pretty odd ranges where the transmission will and will not downshift.
The TH400 in my C20 has a lot more useable spacing than the TH700 in my R1500. Even in a car as light as my GTA, the huge 1-2 shift gap of the TH700 tends to really bog down the acceleration.
-cal30sniper
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86 Chevrolet K20/30 Suburban - 8.1/NV4500/NP205/Dana 60/14 bolt FF, build in progress
73 Formula - 400/Doug Nash 4+1, resto on hold
86 Chevrolet K30 3+3 - 350/TH400/NP241, Air Force/Forest Service Rescue Truck, for sale
01 Ram 2500 - 5.9L Magnum, daily driver
91 BMW 325i - Chumpcar series racecar
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