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Re: Small block 400's???
Quote:
Originally Posted by 1976gmc20
It seemed like a big deal at the time, but I drove the new ones and I couldn't really tell the difference between the 400 and the 350. Maybe I would have if I took them out on the highway or up in the mountains.
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You probably would have noticed it in the mountains. The 400 made at least 50 lb/ft more TQ than a 350 of the same year. And it did it at very low RPM. I'd guess around 400 lb/ft at 2500 RPM. Great for trucks and station wagons.
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Mike
1969 C10 LWB -- owned for 36 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- converted from 250-six to roller cam 350, Vortec heads -- sold
1981 C10 Silverado LWB, 305, TH350C -- 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 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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