I'm wondering if there are any aftermarket LT1 blocks, or if aftermarket Gen I blocks can be made to accept an Optispark type ignition and the reverse flow cooled pattern?

 

to answer both questions........no.
There isnt enough demand for a stronger aftermarket LT1 block,and the fact that the Lt1 block is fairly strong.Many people are making 600+hp with stock lt1 blocks,and a few have hit the 1khp mark.
Aftermarket gen1 sbc's cant accept opti's (different casting on the front of the block) and im not sure on the cooling thing.

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Dirk
1997 TA A4
11.251@119.3 1.52 60',7.132@95.39 1/8
The RacinLT1
RacinLT1 pic's

[This message has been edited by RacinLT1 (edited August 04, 2002).]

 

GM stopped using the reverse flowed cooling pattern due to "hot spots" in the heads.