Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#441
03-02-2005, 05:55 PM
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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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#442
03-03-2005, 01:57 AM
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Re: Judges
The 70 455 motor is big but from what I've seen in quarter mile times the 455 was alot slower than the 400 RAlll&lV.I know that theres gearing involved but with alot more torque with the 455 it should be doing better I think I saw a time of 15.0 at 97mph in the quarter mile.
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#443
03-06-2005, 07:01 AM
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Re: Judges
The '70 had a 10-1 CR and the '71 had a 8.4-1. Both were gross rated. 360 & 335. '71 also had a net rating of 310.
In '70 same engine as in GP had 370 rating. Just a different body. My insurance agent still nicked me for a 50% surcharge because the engine was rated at 300 hp or more. I just didn't have to pay based on GTO rates just T-37 on the basic rate.
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JLP
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#446
03-29-2005, 06:18 PM
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Re: Judges
I just read on the PY site that Milt Robson's Triple Black 69 RAIV Conv is all but done ...anyone have any details/ pictures?
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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#447
03-30-2005, 11:30 PM
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Re: Judges
Here is a link over to the PY site with a few pics of Milts Judge Conv. 69 RAIV Triple Black Conv
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~JAG~ NCRS#65120 68 GTO HO 4 spd Alpine Blue /Parchment 2 owner car #21783 71 Corvette LT1 45k miles Orig paint - Brandshatch Green - National Top Flight - last known 71 LT1 built. 71 Corvette LT1 42k miles Original paint - Black - black leather - only black LT1 known to exist. NUMEROUS Lemans blue Camaros, Monza Red and Daytona Yellow Corvettes & a Chevelle or two... Survivors, restored cars, & other photos https://picasaweb.google.com/lh/myphotos
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