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700r4 to SM465 swap questions????

I did mine with a 465 not a 4500

here is how I did mine:

There is a hole in the firewall for the cruise control wiring. I took this out, and mounted my master cyl in the hole.
Nov09_0003.jpg


Here is the adapter that I made to mount onto my mechanical clutch pedal.
Nov09_0001.jpg

This design WAS NOT strong enough, it kept breaking. I made one that was triangulated and it works like a charm now.
I also cut off the bracket with the spring on it as well, it was ungodly hard to push down.

If you can get factory parts, the factory fluid resevoir bolts onto the top of the windshield wiper motor.
 
Ya im gunna try to go with as much new factory stuff as possible (good ol LMC Truck) and hit the wreckers for my pedal assembly. I talked the guy with the tranny down to $550 :grin:, got other quotes around $1000-$1500. Any clutch recomendations???? I will need to buy one for the year of the transmission ('95) correct??

I just started draining fluids and pulling driveshafts to drop the transmission and tc for the swap and im looking at the clearence between the bellhousing on my 700r4 and my front driveshaft and thinking(more hoping) theres still room for a cluthch fork and such. With having an 8" lift and the angle of my driveshaft will i be able to get away without the after market bellhousing(low on cash)or am i dreaming HAHA?????
 
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The input on the NV4500 is the same as the SM 465. 1 1/8" 10 spline. I'd look into a Luk Pro Gold clutch and pressure plate.

Nothing says you can't try the factory bell, but if you do have problems it will be money and labor wasted.

Rene
 
Definitely run the AA bellhousing -- Well worth the money!

I have installed an NV4500 into an 80 K25, and my 85 K5. I'm using the factory 93 NV4500 bellhousing with external slave, and even with a 4" lift, my front driveshaft is within 3" of the slave cylinder. I retrofitted the 93 master cylinder into my truck, and would NOT do that again in the future. Makes for a very heavy clutch, and you tear through master cylinder's due to the poor pushrod angle. Install the 85+ clutch master, buy the AA bellhousing, and use the adapter to bolt on the 85+ slave.

The shifter moving aft isn't a big deal in itself, the stick is well placed and is in a natural / easy to reach place. However, your transfercase shifter is going to be a problem. With a pickup running a bench seat, there isn't enough room to move the t-case shifter far enough back to be able to fit the stock NV4500 shifter boot. You'll either need to install an aftermarket cable shifter, or otherwise re-locate the factory shifter assembly. This wasn't an issue with my K5 running buckets, as there is enough room to move the shifter rearwards.

Other than that, it is nearly a bolt in swap. A 32 spline NP208 or NP241 will bolt straight up, and you will use your original driveshafts. You shouldn't even need to move the transmission crossmember when swapping from a 700r4 / NP208 to an NV4500 / NP208/241

Reverse lights are just a matter of buying the wiring from a manual equipped truck and plugging it in. The park neutral switch won't pose a problem if you leave the auto column in and leave the truck in "park". If you switch to a manual column, you can just jumper the yellow / purple wires under the dash to allow the truck to start. If you wish to hook up the clutch safety switch, just extend the purple / yellow wires to the pins that close when you press the clutch pedal down.
 
i didnt really think about the TC shifter, fu*k. Who sells these cable shifters for the np208????? I have to keep my bench seat so i can take my daughter wheel'n this spring.

Russell:
How do u like that ol 6.2l diesel???? Hows it with a turbo???
 
I don't see why you couldn't extend the linkage on the TC shifter and keep it where you want it. It's not like a 205 shifter that is mounted to the adaptor...the 208 and 241 shifter assembly is floor mounted.

Rene
 
good! all these extras are starting to discourage me LOL. My stock starter should still work with the swap eh??????
 
Yeah, stock starter works fine...lol.

On a related note the 6.2 starter was so snug in the AA bellhousing I bought I ended up spending a few hours with a carbide burr and a flap wheel to get enough clearance for it to bolt up. Shouldn't be an issue with a sbc starter though.

Rene
 
I love my 6.2L! I sometimes wish I had a couple more RPM to play with offroad, but the gobs of torque and fantastic fuel economy more than make up for it. Not stalling out on an incline is also a nice thing! My truck was laying on it's side today and I had to shut it off with the key, never stalls out on an incline! The turbo is a real asset too, really helps once you need some wheel speed.

The t-case shifter isn't a huge deal, but it is a bit of a pain to deal with if you have a bench seat. Just move the shifter back as far as you can manage, and shorten the linkage to match, then get yourself a different shifter boot that is a bit smaller than the factory one and you should be able to make it work. In my 86, I moved the t-case shifter back as far as I could, then used a shifter boot from a small car I found at the wrecking yard. I had to cut the top of the boot off until the hole was large enough for the NV4500's shifter.
 
I snagged this shifter boot from a late 80's S-10. It fit perfectly at the bottom of the NV4500 shifter, and it even looks OK.

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Rene
 
If you use a 95+ bellhousing and an internal slave cylinder (or the advance adapter bellhousing) and change the mainshaft to a Chevy 32 spline out, it will work!
 
tRustyK5:
For that AA bellhousing the part # u gave me is for the 96& up nv4500 and my tranny is out of a 95, does this matter??
 
Yes, the two bellhousings have a different bolt pattern. Use the split as AA has it listed and get the correct one for your year. They offer both
 
So, if I may be so bold as to ask, why is the NV4500 considered such an upgrade for people?

Yeah, it has an overdrive which might net you another MPG or two. But for the $1000+ cost and all the hassle, it would take you forever to recoup the cost. Especially given how rarely most people drive these trucks.

The SM465 is shorter, stronger and WAY cheaper. And of course, easier to adapt to transfer cases since it was a common factory option. And don't forget about that super low first gear in the 465.

For the record my tow rig has an NV4500 and my buggy has an SM465, so I've driven both a ton.

Thoughts?
 
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