Fully dressed a Pontiac block will weigh in around 600-650 lbs. If you are asking about the bare block....I honestly don't know.
The firing order for the Pontiac 400 engine is that the small block powers the big block.
externally, they are the same. The engine mounting holes on the block are the same. the motor mounts themselves might be different though.
No such engine as a Pontiac 400 Big Block. The back of the Pontiac engine block has a different bell-housing bolt pattern than the Chevrolet. Pontiac and Olds bell-housing bolt pattern match. Chevrolet and Buick match. Unless you have a dual bolt pattern transmission (GM did make them) the Pontiac engine won't bolt up to the the Chevrolet transmission.
Depends on which Pontiac engine you are referring to. Any GM engine 400 cubic inches and under are considered a small block with two exceptions. The 396 is a big block and there were certain 400's that are big blocks. Two versions of the 400 were built.WRONG. All Pontiacs from 326-455 are the same size block externally. The only major difference is that the 326, 350, 389, and 400 have a 3" main bearing size. The 421, 428, and 455 are 3.25" mains. Now...if you are talking about comparing a Pontiac block to say a Chevy block....the Pontiac is larger than a small block and slightly smaller than a big block.
For complete engines, the weight of the average (stock) 400 Pontiac at about 650 lbs. is roughly between the average (stock) Chevy small block at about 575 lbs. and the average (stock) Chevy big block at about 680-685 lbs..
Pontiac uses same block no small or big, Chevy describes their engines small or big
Yes. It will bolt right in with 1968 motor mounts.
where do the wires on the starter go on a 1977 pontiac 400
There is no Big block or small block in Pontiacs. They were the same size. "67 did have the 400 and 400 HO available for the Firebird.
There is no battery in a 400 engine.
No, I do not think so as they are not the same engine.
Information on the Pontiac 400 can be found on Wikipedia. The 400 refers to the type of engine that is present in the car. Pontiac began production in 1926.