Did Pontiac Make A Big Block 350?

Did Pontiac Make A Big Block 350?. Its a 1968 pontiac firebird with supposedly a big block 350 in it. Olds, buick, and pontiac shared that block.

1979 Pontiac Trans Am 400 Big Block 350 hp from car-from-uk.com

Can someone verify if pontiac had different blocks? Olds, buick, and pontiac shared that block. The big / small block thing was a chevy item.

Source: car-from-uk.com

There is no displacement stamp for 421, 389 or 326 blocks. The engine has a 3.885 bore with a 3.750 stroke.

Source: ls1tech.com

The big / small block thing was a chevy item. Well, its about that time that i finally got off my a$$ and bought a car that was worth something.

Source: barnfinds.com

The pontiac version of the 455. So here is what i am looking at.

Source: car-from-uk.com

Pontiac’s 350 was discontinued after the 1977 model year, and the last 400 blocks were cast on thanksgiving weekend 1977 and stockpiled for use for the remainder of 1978. The latter two were made for scca trans am and nascar racing in very small numbers.

Source: www.motorious.com

And, there's no such thing as a big block or small block pontiac. Pontiac 350 makes for a decent daily driver, just don't expect much in the way of.

Source: www.hotrod.com

The v8 engine was introduced for the 1955 model year as the strato streak. Larger 2 on the end.

Source: car-from-uk.com

These castings were as good as earlier units and can be identified by the “xx” cast into several locations on the block. Its a 1968 pontiac firebird with supposedly a big block 350 in it.

Source: barnfinds.com

And, there's no such thing as a big block or small block pontiac. I’m talking about to late 60’s early 70’s timeframe

Source: www.curbsideclassic.com

Early blocks, those from inception through 1966 had 2. On blocks produced in 1970 and after, you will find 350, 400, or 455 stamped towards the left side of the front of the block.

Early Blocks, Those From Inception Through 1966 Had 2.

Its a 1968 pontiac firebird with supposedly a big block 350 in it. I’m talking about to late 60’s early 70’s timeframe Pontiac or formally the pontiac motor division of general motors, was an american automobile brand owned, manufactured, and commercialized by general motors.introduced as a companion make for gm's more expensive line of oakland automobiles, pontiac overtook oakland in popularity and supplanted its parent brand entirely by 1933.

I Was Talking To Someone With A Pontiac That Said He Had A 455 Big Block.

Well, its about that time that i finally got off my a$$ and bought a car that was worth something. So here is what i am looking at. Larger 2 on the end.

Pontiac’s 350 Was Discontinued After The 1977 Model Year, And The Last 400 Blocks Were Cast On Thanksgiving Weekend 1977 And Stockpiled For Use For The Remainder Of 1978.

Pontiac date code on the cylinder head reggie horning. First of all, it needs to be pointed out that one cannot conflate gm with chevrolet, since gm has had a few divisions with their own engine designs, of which chevrolet was just. To improve the t/a 6.6's durability, pontiac resurrected the pn 481988 block casting for 1978, and so workers could immediately differentiate the pn 481988 block from the pn 500557 on the assembly.

Some Pontiac Blocks Have 2 Large Freeze Plugs And Some Have 3 On Each Side Of The Block.

The pontiac 350 is basically a big block, as the block itself is the same dimensions as the 400 and 455, but it has a much smaller bore. This was based on results of over 1 million test miles, which was unheard of at the time. Gm big blocks start with the 400.

Chevy, And Caddy Both Had Their Own Seperate Engine Block Programs.

There is no displacement stamp for 421, 389 or 326 blocks. Did gm make a 400 small block and a 400 big block? Big journal and small journal only, as mentioned above as well.