<div class='quotetop'>QUOTE(skates @ Nov 3 2006, 12:22 AM) [snapback]72037[/snapback]</div>
you can get 750 hp out of a aluminum block but the cast iron block from the heavy duties can handle i think 1100hp but is at least a thousand on the cast iron though
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Any proof that the iron can handle more than the aluminum?
2006 Superior Blue Trailblazer SS AWD, Stock as a rock
Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).
Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning
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