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#1
03-09-2013, 05:37 PM
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1966 GTO engine casting numbers...
My father recently acquired a 1966 GTO convertible. Car seems very original, but a few things have me scratching my head.
From what I have found online, it should have an WT or XT stamped block. It has YE stamped under the passenger side head. Kind of a bummer, the car has 83K documented miles. Maybe it puked the engine years ago and the short block was replaced with one form a passenger car? The heads are 093's, intake manifold is 9782896. The alternator is an 1100705 (37A), supposed to be a 1100704? The water pump is a 9782482, unable to see the date code. A source I found online says a 66' should have a # 9793130 water pump? Just trying to nail down exact part numbers so when I pull it apart to replace some seals and repaint the engine - I can reinstall the proper parts. It runs well, no sludge evident inside the engine. No smoke, and no unusual noises. Thanks in advance. 
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1972 Chevelle SS 2dr hardtop 454 LS5 4 spd - "Pure Stock" 1969 Chevelle 2dr hardtop L72/M20 - my "retirement" project. 1968 Chevelle 2dr hardtop 6.0/80E - pro tour-ish 1972 Monte Carlo turbo 6.0/TH400 2001 Silverado RCSS LQ4/80E swapped, cam, headers, FBO. 1972 E lCamino SS AFR headed 454/TH400 - the old man's project |
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