Quote:
Originally Posted by ViperTomcat
Correct! The current Hemi found in production Chrysler vehicles are iron blocks with aluminum heads.
A 5.7 was produced as a test with an aluminum block and more composite materials and it was around 250 pounds lighter. A R/T Challenger with that engine would be just about 3890 pounds.
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I don't believe that. 150 lbs would be a
lot to shave when switching to aluminum, but probably possible. The GT500 lost around 100 lbs due to switching to an aluminum block, plus a couple other things. But 250? Maybe if it had an iron intake+heads+block but even then it would probably be close.