Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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#1
06-05-2007, 11:29 PM
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Re: Ram Air III Engine
 Ok I think I am losing it. A 9792506 Engine casting number for a 69 GTO is a RA IV block which has 4 bolt mains and a 9790071 coded YZ is a RA III block with 2 bolt mains. I should have noticed how late the casting date was from the get go. A 9790071 is also a 68 HO block when coded YZ. Sorry for the confusion .
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<span style="color: blue">1970 GTO Judge Ram Air IV, 4 speed</span> 
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#2
06-06-2007, 12:41 AM
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Re: Ram Air III Engine
Thanks guys. All the information I have, indicated that it was a RAIII engine. Some guy phoned me wanting to buy it but insisting that it was just a regular worthless engine. Don't you just love these guys.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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