Quote:
Originally Posted by ERA Chas
Unlike Professor Ron, you can provide some factual GM information. I must be reading-challenged-I still can't find where his point was on a GM- supported product that they won't use in production.
The 289 was a steam hole-dependent design too. Yes the LS' also because of the partitioning in the jackets around the bores. That problem was solved by World's Warhawk LS blocks which surrounded all four of the siamesed bores with water.
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It didn't happen because the whole thing got held up in a law suit. Since GM couldn't use the waterless (wouldn't pay the royalties) so the engine project got killed. (this was a normaly-asperated 630hp engine) Years later we have the 6.2L producing what the 5.7 did (well, could) back then.
I think Ford called them "steam vents" so, I'm not sure who copied who. You should see some of the stuff airplane engines had to come up with. Problem gets worse with higher elevation. (why four-wheeler's are all over this stuff)