CNC Porting- The Best?

[Kevin]

Originally Posted by Harvie

The bottom end strength of the lt5 sleeved blocks and the sizes of their crankshaft journals are the large limiting factors along with the induction systems multiple sharp turns in air low.

Over 750HP power requires a bigger steel crank with large dia full radiused crank journals to last. Then blocks would then have to be fitted with a strong steel girdle and studded.

sprayed 408 and 415 cube cars were popping head gaskets, not cranks. TT's car are making well over 800 with no issues. I think you're wrong