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I've been saying it for some time, but for anyone who needs more proof that the internal engine parts in the 03 / 04 LM4 engine are no lower in quality than those in the 05 LS2 engine, how about this:
Hot Rod magazine, October 2005, on page 31, reports that in developing the Corvette LS7 engine, GM beta tested key components by running them on the racetrack for a full season in GM's World Challenge Cadillac CTS-Vs while the production engine was being developed.
Because that race series limits maximum displacement to 5.7 liters, GM fashioned a big-bore / short stroke version of the engine to test the parts. They used a PRODUCTION 4.6 liter truck crankshaft to do it!
The Cadillac LAPPED the field in the 2004 season opener after starting at the back of the pack. GM will not discuss what horsepower that engine made, but has demurely admitted to "well over 500 hp".
I think our cranks will take a supercharger just fine . . .
Jim G
Hot Rod magazine, October 2005, on page 31, reports that in developing the Corvette LS7 engine, GM beta tested key components by running them on the racetrack for a full season in GM's World Challenge Cadillac CTS-Vs while the production engine was being developed.
Because that race series limits maximum displacement to 5.7 liters, GM fashioned a big-bore / short stroke version of the engine to test the parts. They used a PRODUCTION 4.6 liter truck crankshaft to do it!
The Cadillac LAPPED the field in the 2004 season opener after starting at the back of the pack. GM will not discuss what horsepower that engine made, but has demurely admitted to "well over 500 hp".
I think our cranks will take a supercharger just fine . . .
Jim G