Ram Air III Engine - The Supercar Registry

06-05-2007, 11:29 PM

DaJudge

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Location: PAUSA

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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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