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Forum: 70-72 GTO Tempest & LeMans TECH 10-22-2023, 05:10 PM
Replies: 251
Views: 23,522
Posted By johnta1
I fat fingered my response above and changed it...

I fat fingered my response above and changed it to the correct RM code.
1972 also used RM as the code for the M13 Muncie.


:)
Forum: 70-72 GTO Tempest & LeMans TECH 10-22-2023, 04:11 PM
Replies: 251
Views: 23,522
Posted By johnta1
RM is the pick code for the 1971 M13 Muncie. ...

RM is the pick code for the 1971 M13 Muncie.


2.42 1st gear, 1.58 2nd gear


:)
Forum: 70-72 GTO Tempest & LeMans TECH 09-17-2023, 06:53 PM
Replies: 251
Views: 23,522
Posted By johnta1
No, it's more like rear-end grease, just not as...

No, it's more like rear-end grease, just not as thick.
Forum: 70-72 GTO Tempest & LeMans TECH 09-17-2023, 10:11 AM
Replies: 251
Views: 23,522
Posted By johnta1
https://forums.maxperformanceinc.com/forums/attach...

https://forums.maxperformanceinc.com/forums/attachment.php?attachmentid=620125&stc=1&d=1694959790


It's like a 10-60 lubricant.


:)
Forum: 70-72 GTO Tempest & LeMans TECH 03-01-2023, 03:18 PM
Replies: 251
Views: 23,522
Posted By johnta1
Congrats on the buildsheet find! I'm sure...

Congrats on the buildsheet find!

I'm sure you'll get a decode of it, but a quick glance from me shows WR engine code which is 350 2bbl and 3.23 gear ratio.

:)
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