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Re: 1995 Gen V 454 questions
Quote:
Originally Posted by PbFut
With all that torque at hand the 3.73 rear end may be a bit low. Highway RPM is going to be a bit on the high side for a 1 to 1 3rd gear in the 400. Given you have so much grunt from the motor a 3.5 or even 3.08 will give you a nice cruise. Unless you are towing big weight I don't think the 3.73 torque multiplication is going to be usefull.
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That's for sure! I can tell you that even with my truck's 3.08 gears, I always wish for lower revs at speeds above 65 mph. That's with a mild 350 and 29.5" tires.
With a 454, you could even get by with 2.73 gears. That's what I had for 5 years in an 82 C10 with a 350.
BTW, the Saginaw 3-speed came in 3 flavors. At least that was the case for my 82 truck. The version with the tallest first gear (lowest torque multiplication) was used behind 350s, but I don't think it could handle a 454's torque.
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Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
Last edited by MikeB; 04-22-2024 at 10:42 AM.
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