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Forum: 61-77 GTO, Tempest & LeMans Parts WANTED 11-26-2023, 10:56 PM
Replies: 5
Views: 591
Posted By Baron Von Zeppelin
In 64 and 65 you could get the M20 -or- M21 ,,,,...

In 64 and 65 you could get the M20 -or- M21 ,,,, with 3.90 gears.
My 65 3x2 3.90 car was ordered with M20 (code 9 on Billing History Card)

Different speedo gear than regular M20 that was coded...
Forum: 64-65 GTO Tempest & LeMans TECH 02-02-2023, 06:21 PM
Replies: 18
Views: 1,324
Posted By johnta1
I took the typed memo in the memo/blank section...

I took the typed memo in the memo/blank section was for the gears.
Possibly put in trunk for dealer to install?
(maybe they wanted the M21 and the 3.90 but couldn't get it? )


:confused:
Forum: 64-65 GTO Tempest & LeMans TECH 02-01-2023, 07:52 PM
Replies: 18
Views: 1,324
Posted By johnta1
The '9' after the engine codes is for M21 tranny....

The '9' after the engine codes is for M21 tranny.
(with 3.90 gear)


:)
Forum: 64-65 GTO Tempest & LeMans TECH 09-28-2006, 04:26 PM
Replies: 36
Views: 2,071
Posted By Old Man Taylor
John V - Great information, thanks. W/R/T the...

John V - Great information, thanks. W/R/T the M-20 vs M-21 issue - I was discussing this with Jim Wangers about a year ago. He said they wanted to have them available in the GTO, but GM had not...
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