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I don't think you are getting what I am saying..The factory one does line up but the Energy sus one for a 93 k3500/NV4500(the summit link I posted) does not. why I could not tell you but it doesn't. I still like the way the mount looked so I used it. it was free. Took only a few minutes to drill...

1993 - K3500 - Energy Suspension - GMC - Transmission Mounts - SummitRacing.com

It is the energy sus mount for a 93 K3500/NV4500 and the factory mount I posted is for the same. I don't know why it's made different. It came with the tranny but PO told me it was for a 93.

This is the factory mount. http://shop.advanceautoparts.com/webapp/wcs/stores/servlet/product_Mount-Engine-Transmission-Anchor_5303486-P_38_R%7CGRPENGPAMS_1151527854____

Here is the mount that came with the tranny for a 93 k3500/nv4500. This is the one I used and had to re drill for.

Nope. Totally different. factory one uses 2 studs and spaced differently. Energy Sus one uses 3 bolts. Never saw anything like it before but it is differnt because I had a 93 and it used the same tranny mount as my 98 Burb.

well I can say that Jimmy I posted the pics of was a nice conversion. It stopped way better, I had piece of mind of strength and the 3.73's worked out nicely. I agree the 3/4 front axles is no differnt from the 1/2 ton save for the hubs and rotors and bolt pattern. In fact IIRC the spindles and...

Tomorrow I am going to the Starter rebuilder to see if he can make me a 24v GR otherwise a 12v conversion maybe in order. Not my first choice but it will solve about 3 other issues.

Let me just say again though...This is the way these trucks should have come. it is so much more drivable now and still HAS NO ELECTRONICS !!. I know some have done 4l80e swaps but that requires a TCM. I personally think TH700s are junk.

Yeah I had heard that in some posts I had researched but I didn't feel like scouring junkyards when I could easily mod the one I had. I think a TH700 one supposedly works but I have an aftermarket tranny mount anyway which is different from a factory 93 k3500/nv4500 mount so drilling was needed...

Well I took it for a spin and let me tell you...THIS IS THE WAY GM SHOULD HAVE MADE IT!!! It drives awesome. I have not decided whether to pull the tranny again or not. it seems ok but 3 bolts could be loose. I'll have to keep looking at it. No vibrations. I ground the piss outta the starter...

F!!! The engine won't turn over.. Locked up solid.. I was about to rip the tranny back out in a pissed off rage and Dave got me to calm down and look a little harder.....Guess you can't use a direct drive starter with a 6.5TD flywheel....I hope the flywheel to crank bolts are properly...

and some more...

More pics

OK so day one went pretty well. The shifter looked awful close to the 4wd shifter and I thought I was going to have to move the 4wd shifter but it fit. I may have to get creative with the shifter boots.. I welded up the holes in the crossmember with 3/16 flat stock and re drilled the holes...

So I ripped the TC out and........drum roll please............ IT FITS !!!! Like a finger in an *******... :D So That was the big unknown so the project moves forward...He gave me a brand new centerforce clutch with it but the weird thing is the bolts are really shallow and I tried using ARP...

I have a hard time getting new flywheel bolts. The PO gave me the ones with the tranny but the head on one of them was a little beat up and I'm not a fan of reusing flywheel bolts anyway but GM discontinued them and Advance can't get them either. I ended up buying 7/16-20x 1inch ARP's from...

Well thanks to a friend in NY I have a nice NV4500 setup from a 93 with everything to put in my 86 K30/M1008. I hope it compliments the 4.56s gears and 35 inch tires. I will try to document as much of the swap as possible. After this then I am going to swap out the v belt system for Serp...

Yep.

I had two blow apart and I lost the wheel and axles. No thanks. 8 lugs for me from now on not to mention way better brakes with the 13 inch shoes. You put a GM 14 bolt with a Detroit Locker and now you got something....:mrgreen: I'd never own a c clip diff ever again. The gov lock used in the 10...