lt1 4 bolt main
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#12
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iTrader: (1)
Rob makes a good point, warranty engines were 4-bolt, as well as the Vette, LT4 and a few oddball late production f-body LT1s.
That said by the time the 4-bolt becomes meaningful you should be putting aftermarket caps on it and that requires a fair bit of machining so you aren't really gaining anything by having a factory 4-bolt. Well other than weight.
There is only one LTx casting for the block.
That said by the time the 4-bolt becomes meaningful you should be putting aftermarket caps on it and that requires a fair bit of machining so you aren't really gaining anything by having a factory 4-bolt. Well other than weight.
There is only one LTx casting for the block.
#14
I bought an x police camaro with a replacement motor and it is a 4bolt. It also has NO oil cooler on it, which might help some id a replacement motor.
Last edited by 3DFORMULA; 05-10-2009 at 10:19 PM.