63 4 spd listings

[Loren L.]

In my Mid-America 1963 AIM in the 4 spd section (pg 321-last listed change date is 5-6-63) there are four (4) listings under item 20 (the transmission itself): "3839724 TRANS. ASM (EXCEPT RPO L76-L84)"; the next line is"#38311703 opt."; the 3rd line is "#3839723 RPO L76 -L84"; and the 4th line is "#3831701 OPT".
Am I reading this correctly if I say 3839724 is a Wide ration T10 and the 3rd line (#3839723) is the optional Close ratio T10; and that LINE 2 is the Wide ratio Muncie and that LINE 4 is the optional Close Ratio Muncie beginning when Muncies enter production?
I assume that the 4 #s shown should also be on a tab attached by a side cover bolt.
Please let me know if I've taken a wrong turn.

[Bob R.]

Re: 63 4 spd listings

I don't know that anyone has a exact date of the Muncie transmission usage but i believe it was the first week of May 63.

[Harry S.]

Re: 63 4 spd listings

The last VIN I have in my list with a T10 is 14647. The build Date is 5/7/63.

[Joe R.]

Re: 63 4 spd listings

1963 14,451 had a Muncie from the factory. Harry, your T10 must be a replacement!

HA! HA! Just kidding! We know the change was in those numbers and you might have gotten either one because of the semi and close ratio.

HR