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shake435
Joined: 02 Sep 2006 Posts: 6
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Posted: Sat Sep 02, 2006 12:20 pm Post subject: 421 Engine Codes |
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Hey guys does anyone know the 421 engine horsepower ID codes for the 65 and 66 years?
Shake _________________ |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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Posted: Sat Sep 02, 2006 3:52 pm Post subject: |
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1965 421 codes:
WG
YH
WH
YJ
WJ
YK
1966 421 codes:
WG
YH
YZ
WH
YJ
WJ
YM
YK
Basically the 4 bbl engines had around 330-350 HOP, the 3x2 engines had 356-370 HP. |
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shake435
Joined: 02 Sep 2006 Posts: 6
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Posted: Sun Sep 03, 2006 9:19 am Post subject: 424 Engine Code |
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Stu thanks for the reply do you happen to know what the horespower is for the coresponding codes you provided?
Shake _________________ |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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Posted: Sun Sep 03, 2006 10:07 am Post subject: |
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Why yes, I do!
Did you want them all or was there a specific code you wanted? |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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Posted: Sun Sep 03, 2006 10:14 am Post subject: |
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HP CI TRANS CODE C/R Cam Heads Carb Year
338 421 M WG 10.5 67 76 4 65
356 421 M WH 10.75 67 77 3X2 65
376 421 M WJ 10.75 68 77 3X2 65
338 421 A YH 10.5 67 76 4 65
356 421 A YJ 10.75 67 77 3X2 65
376 421 A YK 10.75 68 77 3X2 65
338 421 M WG 10.5 67 92 4 66
356 421 M WH 10.75 67 93 3X2 66
376 421 M WJ 10.75 68 93 3X2 66
338 421 A YH 10.5 67 92 4 66
356 421 A YJ 10.75 67 93 3X2 66
376 421 A YK 10.75 68 93 3X2 66
376 421 A YM 10.75 68 93 3X2 66
350 421 A YZ 10.5 66 92 4 66 |
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shake435
Joined: 02 Sep 2006 Posts: 6
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Posted: Sun Sep 03, 2006 12:01 pm Post subject: 421 |
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Stu:
You are the man... Thank you very much.... I noticed that you ranked the 1965 2 + 2 as one of your top ten favorites... It is my dream car but they are hard to find. Do you know of any one who has one looking for a new home?
Shake _________________ |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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Posted: Sun Sep 03, 2006 1:37 pm Post subject: |
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There is a 1965 2+2 ragtop for sale in the classified section on this site. |
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shake435
Joined: 02 Sep 2006 Posts: 6
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Posted: Sun Sep 03, 2006 3:19 pm Post subject: 421 |
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Stu:
Thanks for the heads up... I've already contacted him, I am awaiting a reply...
Shake _________________ |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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Posted: Mon Sep 04, 2006 4:01 pm Post subject: |
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Good luck! |
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Stu Norman
Joined: 29 Apr 2006 Posts: 135
1963 Grand Prix
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