Poston's is your best source for Buick SB speed parts, in my opinion. 5.7L Buick Smallblock Vs. 5.7L Chevy Smallblock. Have same engine, same challenge.
The 340 and 350 blocks are different. Will an intake manifold off a 1971 buick 350 fit a 1974 buick 350? From the boneyard to the dyno cell, discover how to enhance the factory performance of a little-known Chevy … Buick built a 350 engine starting in 1968, joining GM in the family of small-block V8 engines. Both the 350 and 400 cubic inch engines are SBCs. ... buick 350 intake manifold question. The 360 seems to be underrated, the 351 similar would apply to 350! A 350 Pontiac is the same physical size as a 400 or 455, and they're not much different size-wise than a Chevy small block. share. It had a wider bore inside the engine, which made it wider, and it had an external oil pump, which was unusual for engines at the time. It's a HorsePower first - the buildup of a classic Buick 350 small block. You simply get more bang for your buck. On this alone, Chevy 350 > Ford 302. Adding to this is the under-square bore\stroke (3.80” bore, 3.85” stroke) which yields incredible torque. Side by side comparison of an old school small block Chevy 350 vs LS1. I have a 1975 olds 350 out of a 442, and i was curious as to what parts were interchangeable, if any. Buick adopted the popular 350 cu in (5.7 L) size in 1968 for their final family of V8 engines, the 350, which was produced through 1980. Also, do Pontiac, Olds, and Buick 350's have the same performance potential as a Chevy 350… I was wondering what differences in horsepower, efficiency or reliability there are. So a Pontiac 350 isn't a small block. Hey Guys; im here at work with some buick grease monkeys and everyday we battle on my 65 mustang with its 351W beating there 65 and 70 buick skylarks with a 350. I'm just curious what the main differences are between a Pontiac, Olds, Buick, and Chevy 350. I know that Pontiac engines are neither small blocks or big blocks because they have the same external dimensions. Whatever parts you'll find for the Olds engine will be much more expensive and will yeild smaller return on investment(in terms of performance). I have a choice between two different Buick Skylarks that are roughly in the same shape, and have the same features, one just has the Buick 350 and the other has the Chevy 350. Although it shared the displacement of the other GM small blocks, including the Chevrolet 350 , Oldsmobile 350 , and Pontiac 350 although the Pontiac was technically a 355 , the Buick blocks were of a substantially different proprietary company design.