Small block 400's??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

03-21-2020, 12:24 AM

MikeB

Senior Member

Join Date: Jul 2000

Location: North Texas

Posts: 4,036

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.

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.

__________________
Mike
1969 Custom/10 LWB -- owned for 37 years. 350/TH350, 3.08 posi, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. Hedman stainless headers. Old Air installation in progress.
1982 Custom Deluxe 10 SWB -- converted from 250-six to roller cam 350 w/ Vortec heads -- sold
1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it!
1969 C10 (not the current one) which 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 26 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!

Bookmarks

« Previous Thread | Next Thread »

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules

Forum Jump

All times are GMT -4. The time now is 10:10 PM.



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.