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- Sat Sep 11, 2010 9:56 am
- Forum: Nostalgia Super Stock
- Topic: horsepower of factory race hemi?
- Replies: 5
- Views: 6712
The race hemi was rated at 425 horsepower, the same as the street hemi. However, the race hemi's horsepower was grossly underrated. There were a lot of differences between the race hemi and the street hemi, and a significant difference in horsepower output. The major differences were compression rat...