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The OHC engine have allot of advantages but more so on the smaller displacement motors as they have far less reciprocal mass and as such can be spun to higher RPMs.
Remember with a typical V8 engine you moving 50lb cranks and heavy rods and pistons compared to a 2.0 liter. Look at the monster motors they spin above 8,000 RPMs and price out those the parts they need to achive that power and RPMs compared to our little 4 bolt blocks and after market cranks! You must use parts light enough and strong enough to control that much mass. With a V8 you take advantage on the CI ability to make torque in the lower RPMs
So putting OHC on a V8 doesn’t gain you that much, if GM did build an engine like this ( LT5 ) you would pay allot more $ of little HP gains.
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93Z M6 Black: The 385 Lives! Supercharged, 3-core front mount intercooler, GTP heads, 3:73's, Street twin clutch, Jethot Longtubes, Mufflex 4" catback/spintech, S+W cage, Spohn Suspenion, Yada Yada Yada
1) Build it
2) Race it
3) Break it
4) Repeat!!!
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