When did the Buick 455 V-8 come out?

When did the Buick 455 V-8 come out?

Buick 455. Buick produced its 455-cubic-inch V-8 from 1970 to 1976. The 455 came to be after General Motors lifted its ban on equipping intermediate cars with V-8s larger than 400 cubic inches. Based on the 400 and 430 V-8s, the Buick 455 had a 4.31-inch bore and 3.90-inch stroke.

What are the casting numbers for a 1975 Buick 455?

1975-76 heads are 76cc, open chamber. In 1975 General Motors painted all engines corperate blue. A blue 455 is generally considered a more desirable motor to build. The story behind these four numbers is in question! A letter or number after the casting number as in 1165165 X or -3 may indicate a change in update in the casting.

What kind of head does a Buick 455 have?

1971-74 heads are 71cc, closed chamber. 1975-76 heads are 76cc, open chamber. In 1975 General Motors painted all engines corperate blue. A blue 455 is generally considered a more desirable motor to build. The story behind these four numbers is in question!

What’s the difference between Chevy 455 and 454 big block?

The advantage of this casting design is a significant drop in weight over the other 455 versions. In fact, the engine actually weighed close to 150 pounds less than the legendary 454 big block that Chevy used. This weight reduction compensated for slightly lower horsepower output from the Buick version.

Is it worth it to build a Buick 455?

“Building a 500 hp Buick 455 is cost effective using readily available factory castings and is very reliable given the fact that it is a similar weight to a small block Chevy. It has a good power-to-weight ratio and there are a lot of good aftermarket parts available.

What kind of head does a 1975 Buick 455 have?

1975-76 heads are 76cc, open chamber. In 1975 General Motors painted all engines corporate blue. A blue 455 is generally considered a more desirable motor to build. The story behind these four numbers is in question!

What was the name of the Buick 455 big block?

Buick would extend the life of the 455 big block by stuffing it in models like the Centurion and the Regal, (all while keeping it afloat in the Riviera and the Electra and LeSabre).

What’s the difference between an Oldsmobile and a 455?

The Buick version of the 455 is actually quite different from the Oldsmobile version. Instead of altering the stroke, Buick honed out the cylinders on the 430 CID Buick Wildcat engine. For this reason, GM considered it a thin-walled big block.