Need to adjust the timing, sounds like it may have to be advanced a little.
18436572..firing order.......starting on the front drivers side of the distributor...thats the firing order for any small block v8 chev...
1,8,4,3,6,5,7,2.
1,8,4,3,6,5,7,2 all small block and big block firing patterns are 1,8,4,3,6,5,7,2 for Chevy
The firing order for the Pontiac 400 engine is that the small block powers the big block.
carburetor problems; if it hasn't been serviced in a while just have it rebuilt or replaced; make sure all vacuum ports and hoses are properly sealed and not kinked
All small block chevy's standard firing order is 18436572.
firing pin block
18436572 Small block firing order
Some engine blocks have the firing order stamped close to the top front of the block, others do not. An online search will show the correct firing order for a specific engine.
Firing order on a Big Block Ford is 1-5-4-2-6-3-7-8 Firing order on a Small Block Ford is 1-3-7-2-6-5-4-8
1,8,4,3,6,5,7,2.
ANY year that has a carburetor intake manifold available to install on the block/heads.