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#1
05-22-2025, 10:35 PM
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The part number for the 053 block in the 2025 catalog is #12370850.
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Learning more and more about less and less... 
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| The Following User Says Thank You to William For This Useful Post: | ||
luzl78 (05-22-2025) | ||
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#2
05-23-2025, 03:17 AM
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Online GM parts dealers show it as discontinued...
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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#4
05-23-2025, 04:17 PM
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That's possible, but if there is one in the system, those sites will usually do a search for it and that option didn't come up. If someone REALLY wants one, they would need to call a dealer and have them search the system.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles
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#6
05-28-2025, 06:13 AM
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It is not a 69 block.
Don had those Yenko blocks cast in the mid-70's. GM did not let Yenko used the molds in 69 - the blocks were still in production.
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Kurt S - CRG
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big gear head (05-28-2025) | ||
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#7
05-28-2025, 01:23 PM
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You seem to have included a picture of your Trans Am's original Pontiac 400 cid engine casting number 481988 XX, which confuses matters.
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I ain't nobody, dork.
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