lt1 Cranks
Thread Starter
Staging Lane
Joined: Dec 2011
Posts: 76
Likes: 0
From: Santa Ana,California
lt1 Cranks HI there i recently spun my bearings and the crank got damaged bad I decided to just buy one thats .10 .10 Well my question is that if all lt1 cranks interchange my motor is a 93 lt1. which crank do i need a 1 rear main seal or 2 rear main seal i.d like to know because i want to buy the right part.
I would get the block checked.
If it's a main bearing which I assume that you spun the mains might have to get looked at and see if it's ok.
I spun a main bearing (cracked crank) and it trashed the block beyond repair.
If it's a main bearing which I assume that you spun the mains might have to get looked at and see if it's ok.
I spun a main bearing (cracked crank) and it trashed the block beyond repair.
Thread Starter
Staging Lane
Joined: Dec 2011
Posts: 76
Likes: 0
From: Santa Ana,California
it was a rod bearing that got spun .. the reason i.m getting a 10/10 is because i cant afford a new one and beacause i getting the crank thats 10/10 with matching bearing for 150 ... so i,m still confused do they interchange or not??
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Not sure what you mean by the caps being different? Do you mean you took a different crank than what was in your 94, plopped it in and expected it to flawlessly fit?
OP, the parts themselves, blocks, cranks, main caps from all lt motors interchange.....obv 2-bolt and 4-bolt respectivly......however all will require machining usually due to tolerances, wear, and prior modifications.......main bearing clearance, rod bearing clearance and main cap housing bore diameters should all be checked durring assembly as with any engine....but the cranks do interchange..........any 1 piece GM GEN I or GEN II (LT) crank will go in your motor......as with rods they are the same......and acutally rod bearings interchange with all GM engines from SBC to LT to LS1....they all run the GM 2.100 rod journal size.......
for example i run a Callies 2-Piece main SBC crank in my car but i just bought an adapter to go from 2 piece crank to a 1 piece block.......my rods are olivers for a sbc and as are my pistons......it all interchanges........
