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#1
07-07-2004, 10:05 AM
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Just bought a '66 GTO with an engine that has the following numbers stamped on it.... 651553 YA. YA not YS.
Any ideas what this is? |
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#2
07-07-2004, 10:05 AM
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Just bought a '66 GTO with an engine that has the following numbers stamped on it.... 651553 YA. YA not YS.
Any ideas what this is? |
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#3
07-07-2004, 12:13 PM
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__________________
Cuz68 
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#4
07-07-2004, 12:15 PM
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[QUOTE]Originally posted by cuz68:
Try her. www.wallaceracing.com
__________________
Cuz68
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#5
07-07-2004, 04:10 PM
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Good site, added it to my favorites. I was unable to determine what the engine was using their search but two people I emailed to have informed me it is either a '70 or '73 455.
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#6
07-07-2004, 04:48 PM
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Insert the YA in the engine code area on the search page.
Should come up with 14 different years that YA was used in. Including 1966 389 2 bbl.
__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#7
07-07-2004, 05:08 PM
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That's why you have to find the date code back by the distributor. While you're back there, get the casting number right next to it. With the combination of casting number and date code, you'll be able to tell just what you have.
__________________
Greg Reid Palmetto, Georgia |
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