0
What else can I help you with?
Was there ever a 305 4bolt mains Chevrolet ever put in to production?
All 305 Chevy small blocks made from 1976 to 1996 are 2 bolt main bearing. You will not find a 4 bolt 305 that was made by the factory. One may exist, but it was not made by GM.
What is wrong with having an 86 305 with a two bolt main or should you swap in a 350 w4 bolt main?
nothing is wrong with having a 305 but if you want build it up for more power the 350 w/4 bolt mains is the better option if its for daily driving use the 305 its should be better on fuel
Is the 1983 Caprice Classic 305 a 4 bolt main?
No There's no factory 4 bolt main 305's Factory 305 4 bolt mains did exist. I have one, came in a 1983 G20 Chevy Van. AnswerThere were none ever produced...no reason to either. ANSWER is YES They where produced BY GM Canada St. Catherines, Ontario they are rare as heck made for service trucks/vans
How do you tell either four bolt or to bolt main on gm engine 1024388 without removing the oil pan?
Generally, you can't. GM installed both 2 and 4 bolt main caps on many different cylinder block castings. Now, some blocks were never offered with 4 bolt mains. Any low performance displacement (262,267, 305, 307, etc) always had 2 bolt mains. Small journal engines (pre-1969 chevy small blocks) typically had 2 bolt mains even on performance engines.
What are the torque specs on the rod and main caps on a 2 bolt 305?
RODs 45ft-lbs Mains 70ft-lbs
Did 327 engines have 4 bolt mains?
yes
How many bolt mains on 1994 lt1 camaro motor?
The GM F Body LT1 cars got the 2 bolt mains. Only the Corvette LT1 got the 4 bolt mains with aluminum heads.
Do pontiac's350 have 4 bolt rear main?
I can't answer your question but I can say that my 260 hp 350 Mercruiser has 2 bolt mains and a 4 bolt rear main. Go figure! So I take it from your question that you also have 2 bolt mains with a 4 bolt rear main.
Is the Chevrolet 305 a 4 bolt main?
NO
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.
What year is the motor with the block number 10054727?
It was used in 1986 and up, some of them are 2- bolt mains and 4-bolt mains. They were NOTHING special. It does have a 1-piece rear main seal.
When did the 4 bolt main come out?
The earliest small block I've encountered with 4 bolt mains was a large journal 327 from about 67 or so.
