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questions on installing SM465?

fortcollinsram

fortcollinsram

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I pick up all the hardware I am going to need for the rest of my auto--> manual conversion and I had some questions about installing the tranny...On four tabs that hold the tranny to the bellhousing, the bottom two are threaded and the top two are not...Thats fine but I picked up some 1/2" bolts and they only have a straight shot to the top holes...Should I just try shorter and shorter bolts in the bottom holes until I have a straight shot and I am able to thred it...What about installing the bellhousing first with the two bottom bolts from the inside of the bellhousing...any input would be greatly appreciated...

Chris
 
All four bolts on my SM 465 come from the tranny side into the bellhousing. I installed my flywheel, clutch disc and pressure plate and then the bell with shift fork and throw-out bearing first...then I bolted up the tranny itself.

Rene
 
Don't forget the bushing that goes in the crank!

This will save your tranny input shaft from breaking.

I forgot about this, until my friend asked me if I did it. /forums/images/icons/blush.gif
 
The two bottom bolts install from inside the bell housing. You just do it through the inspection cover. You need an offset box wrench to get to them though.
 
Must be an early/late model thing. My 465/bellhousing is from a '72 Blazer, and the bottom bolts are from the engine side. Later model ones may have been different. I would think that if the bellhousing has threads, that you could just drill the threaded holes in the tranny out to clearance holes.
 
I found that I can get the regular 1/2"x 1-1/2" bolt in the lower holes from the tranny side if i remove the PTO covers but when the bolts are almost tight, you have no room to get any kind of wrench on it...I wish I could get it through the inspection cover but I have like 1/8" between the flywheel and the bellhousing...So I ordered a few 1/2" x 1-1/2" socket head cap screws from McMaster and I should be able to get them in...I may drill the holes in the lower tranny tabs ouyt to remove the threads just in case the threads between the bellhousing and the tranny don't match up (they may be like half a thread off or something and I don't want any gaps between the tranny and bell...

Chris
 
Aug02 4wheel & off road
465 article breaks the years down, and it is in fact an early/late thing.
I will add that to my webshots
 
The bell housing that came with my 77'k10 is 1 piece Alum.
With no inspection hole, the big 3/4 headed - 4 bolts come from the tranny side.
I use 2 long extensions and a universal 3/4 socket.
From the school of hard knocks, a lesson learned:
1. don't forget to put in the throwout bearing.
2. don't put a diaphragm clutch in, the 3 finger is HD.<don't mix parts, they have different types of throwout bearings.
3. there are two C clip rings inside the spline shaft between SM465-&-205 <.85cents a piece, don't leave either out.

dogman
 
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