Quote:
Originally Posted by rechinca
Travis my only question about is definitely being a Saginaw or not would go back to the RPO codes then. According to the pic I took of the GM Heritage truck spec page for 1972 said the 3-speed manual behind a 350 is RPO ZW4. The page from the article I linked said that RPO ZW4 was a Muncie 330. I think that regardless of what the SPID may show, the RPO for a trans in the truck line would be the same across all models. With that, he probably had a Muncie 330 as the standard 3-speed behind the 350.
|
I see what your saying but that article is wrong.
Just some observations:
IF the M330 was the "standard" issue transmission, why is there so little info on them/availability seems scarce
Saginaw-plenty of info, parts, forums. Not the case with the 330.
The 330 is fully synchronized (see page 5 and 6 below) the C series came with "3 speed steering column" while the K series had "fully synchronized 3 speed steering column"
https://www.gmheritagecenter.com/doc...olet-Truck.pdf
Multiple sites have RPO (ZW4) listed as "standard" transmission.
https://www.crankshaftcoalition.com/...PO_build_codes
Another website that has parts and part info.
http://www.drivetrain.com/parts_cata...peeds_v24.html
And this thread i came across about a month ago.
http://67-72chevytrucks.com/vboard/s...d.php?t=216510
I like looking this stuff up.