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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#43356 04/06/2002 4:51 AM | Joined: Feb 2000 Posts: 5,193 'Bolter | | 'Bolter Joined: Feb 2000 Posts: 5,193 | Most likely its the way they rate them. One is flywheel horsepower and the other is rear wheel horsepower. They changed the ratings system in 72 or 73. Check the cam specs. If they are the same, then the motors are the same. You can't have 50 more horsepower using the same cam! Joe | | |
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