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But LS guys (with pockets) can switch up to SML block heads...I think he blew a gasket fairly much each time he was after more powa or gave it a good thrashing out on the track.
Unfortunately there is only so much you can do with 4 bolts per cylinder. The LS guys have the same issue with big power/high boost.
The creations that come from his garage are amazing.Ecotec head bolts are a known upgrade point when increasing cylinder pressure.
CornFedBoost tapped Ethel a size up in head bolts and had a gasket failure not that long after nearly hitting the 1000hp mark on that V6