Under the rocker cover.
casting numbers are on the back of the block. there are numbers on the pad by the head on passenger side front that will reveal information too
chevy 350
On the drivers side of the engine in back of the cylinder head there are casting numbers and next to the casting numbers are raised letters either 5.7 or 5.0.
That should be a 4 bolt main 350
Casting numbers on top of the bellhousing flange and the suffix number on the block deck in front of the passenger side head. The casting numbers will tell you which block casting you have. The suffix will tell you what HP rating it had, what it was likely installed in, and what transmission was mated to it.
A 350 with four bolt main caps is known as the "double-oh ten block." The last four numbers on the casting are 0010.
this page will give year and model type and application for all chev blocks: -MorTec, Inc. Chevy Smallblock V-8 Casting Numbers List- copy and drop this on your browser, then choose - -CHEVY V-8 BLOCK AND HEAD casting numbers-
Thay are all different. Need the year and cylinder head casting # It could be 60cc.65cc,70cc it could be anything. Ask your question again with this info. 1989 Chevy 350 t.b.i I still need the casting numbers that are under the valve cover. They will be stamped in the head were the rocker arms are. Most of the heads for that year were 64cc. but need casting # to make sure.
Remove the valve cover and you will see it stamped into the top of the head.
THE BLOCK CASTING NUMBER IS BEHIND THE CYL. HEAD. SORRY CAN'T REMEMBER WHICH HEAD. IT USUALLY IS A RAISED SEVEN DIGIT NUMBER. THE CYL. HEAD CASTING NUMBER REQUIRES REMOVING THE VALVE COVER AND CHECKING THE RAISED CASTING NUMBER ON TOP OF THE HEAD. YOU CAN CALL A DEALER OR A ENGINE REBUILDING SHOP AND GIVE THEM THE NUMBERS. THEY SHOULD BE ABLE TO GIVE YOU THE YEARS THAT CORRESPON TO THE CASTING NUMBERS.
write down the casting number under the valve cover and compare it to the list of chevy head castings at mortec.com
The combustion chamber size of a Chevy 350 stock head typically ranges from 64cc to 76cc, depending on the specific cylinder head casting.