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It can be either one, Need to run the engine numbers or remove the oil pan to know for sure. GM. made 2-bolt and 4-bolt main 350 engines.
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∙ 15y ago
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Does a 1999 Chevy suburban 350 have a 2 bolt main or 4 bolt main?
1500--2 bolt, 2500 4 bolt
Does a 1972 350 Ci truck engine have a 2-bolt or 4-bolt main?
should be 4-bolt
Do all 1991 small block 350's have 4 bolt mains?
No. Most of them were 2-bolt mains. The 3/4 and 1 ton 350 engines were 4-bolt main engines. All the 1/2 tons had the 2-bolt main block.
How much horsepower does a 1969 nova with a 350 have?
2 bolt or 4 bolt main?? is it stock??
Hot rod car do i want a 350 4 bolt main or 2 bolt main?
4 bolt their stronger better lasting
What is the difference between a 2 bolt main 350 and a 4 bolt main 350 Will a 2 bolt hold 500hp?
The difference between a 2 bolt main and 4 bolt main is how many bolts hold the caps that hold on the crankshaft. (A 2 bolt main has 2 bolts to every cap and the 4 bolt main has 4 bolts to every cap) A 2 bolt main should be able to handle 500hp as long as you don't push it above 5500RPMs.
Is a rebuild kit for 350 engine same for 2 bolt main as a 4 bolt main?
no cause a 4 bolt main has 2 extra bolts on each main
Does an 1984 suburban have a 4 bolt 350?
Most likely not, it'd be only a 2 bolt main.
What year is a 350 Chevy engine with casting number 3970014?
3970014 350 69-77 Pass,Chevelle,Camaro, Nova,Monte Carlo 2 or 4 bolt main 3970014 350 69-79 Truck 2 or 4 bolt main 3970014 350 72 Corvette late '72,200 HP,255 HP 4 bolt main
Does a 1991 Chevy 350 in a c2500 have a 2 bolt or 4 bolt main?
You could check the block serial number at mortec.com, but it's probably 4 bolt.
Is a 1988 Chevy k1500 with a 350 a 4 bolt or 2 bolt main?
If its a 1/2 ton it will be a 2- bolt main, You can run the engine # if you need to know for sure. But i'd bet its a 2-bolt
Is the 1991 350 Chevrolet half ton a 2 or 4 bolt main engine?
That would be a 2-bolt main in that truck for sure.
