Quote:
Originally Posted by Grabber
ZR1's LS9 which is a 6.2L LS9 making 638HP, vs. the Trinity Motor 5.8L making 662HP. Both are Supercharged, and from the FACTORY, the GT500 has over 26HP more.
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Go to just about ANY sanctioning body, and the engine DISPLACEMENT is predicated by engine ARCHITECTURE...
The more valves you have, the more air your "air pump" will pass.
International racing and Indy all allowed a greater displacement for pushrod engines than for OHC engines. But that's RACING. And how many "race cars" do North American manufacturers produce-sell per year?
The VAST majority of V8 engines now sold are sold in TRUCKS, the reason I brought this discussion in that direction. And trucks are HEAVY. And heavy needs TORQUE. And torque is more readily available with MORE DISPLACEMENT. Which is the route general ytravelled by Mopar and GM. Ford chose a different route...and the MUSTANG is a tiny portion of that "route", relatively...