Answer Anonymously What is the diagram and firing order for a 76 Pontiac trans am 455 engine?
18436572 COUNTER CLOCKWISE
The firing order of the Oldsmobile 455 engine is 1-8-4-3-6-5-7-2. This means that the engine's cylinders fire in this specific sequence to ensure smooth operation and balance. The 455 is a V8 engine, and this firing order is standard for many Oldsmobile V8 engines from that era. Proper adherence to this firing order is crucial for optimal engine performance.
18436572 #1 is drivers side, closest to the radiator.
The answer to the question is 1-8-4-3-6-5-7-2 for a 455 olds engine. Firing order for an olds 455 engine is 1-8-4-3-6-5-7-2
The firing order for a 1970-76 455 should be 18436572 Enjoy!
The order in the distributor will be 18436572 in a counter clockwise rotation. see link
Answer6 cyl = 153624, clockwise rotation350 & 400 &455 = 18436572, clockwiseWRONG...All Pontiac V8 engines rotate counter clockwise.
No, they are not the same engine. The Oldsmobile 455 had a bore and stroke of: 4.126 X 4.25 The Pontiac 455 had a bore and stroke of: 4.152 X 4.21
yes if you have the Oldsmobile motor mounts. If you are asking if engine parts will interchange....Absolutely not.
Check out www.v8buick.com. There you will find all the info you need for your engine.
Can you bolt on earlier heads/intake/exhaust manifolds.. from a 1970 Pontiac 455 to this 76 455 engine.