Re: Judges
The 1970 Ratings were gross hp ratings with the engine on a dyno. The 1971 Ratings were changed to net hp ratings. That is at the rear wheels with accessories on. All of todays cars are still rated at net SAE. I feel the 71 455 HO was underated due to increasing insurance costs at the time. 1970 to some but definitely 1971 was the end of the Musclecar era. The 70 455 was transplanted from the big car line and dropped into the GTO. More than likely a decision by Pontiac so that when being compared to other car lines like the 440 Mopars and 454 Chevy's Pontiac could say "Me Too" in regards to a big displacment motor.
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<span style="color: blue">1970 GTO Judge Ram Air IV, 4 speed</span>
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