yeah I know but it's all I have to work with here...

my 4-speed croaked last week, so I'm kinda desperate to get this thing running again.

both boxes are the same in overall length. the Toyota box has thicker input and output shafts, that's good but bad, I need to get new clutch and have the Prop-shaft re-fit.

the K40's ratios......
R=-4.316
1=3.789
2=2.220
3=1.435
4= 1

any one know what the Nissan box's ratios are. it's an old 1200 smooth housing box.

Basically I'm gonna be getting into both with a grinder, then tig-weld the Nissan box's B-housing onto the k40's body, and try to do this with it's all lined up straight...
Then I'll have to hope the clutch still works...

will take some pics tomorrow.

any advice b4 I go and gutt a helty toyota box to bit's.... now's your chance... :)