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Originally Posted by olgoat1
The WY motor I have is D248 cast date with a 751408 MU# and there is no serial #. The 2506 is ground and stamped. I have an M21 with a P8E03 code and wondered what codes have been seen in the RAII GTOs built around the 5/31/68 date? Thanks
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From post 287.
Quote:
There are three AS-CAST 2506 dates that we have on record as of this date.
J177, L187 and C118 - the first two dates being exclusively for the Ram Air I motors but the C118 date was used for I's as well. As for the C118 blocks in II's, they have been found as late as an invoice date of 06/24 in the Baltimore built Alpine Blue MIA body however I also have records of an E278 Ground & Stamped WY block in a Framingham built car also invoiced on 06/24. I have records of an F148 Ground & Stamped WY as well.
Where the cutoff came for the ground & stamped cars I don't quite know however both my & Ross's 05C built Pontiac Cars will have C118 As-Cast blocks in them and based on what I've seen, yours should as well.
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__________________
Some guys they just give up living
And start dying little by little, piece by piece,
Some guys come home from work and wash up,
And go racin' in the street.
Bruce Springsteen - Racing In The Street - 1978
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10-04-2015, 08:51 AM
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