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-   -   LSx to sm465 (https://67-72chevytrucks.com/vboard/showthread.php?t=653207)

mikevogt 12-17-2014 02:15 PM

LSx to sm465
 
Hey guys so I picked up a 69 c10 a few weekends ago. Has a 6cylinder in it but it is not hooked up or anything due to the old motor throwing a rod. My plans were to do a 4bt cummins but for the price/work to do it not really wanting to go that route. I already have a newer diesel truck anyways. So the question here is keeping the stock 4 speed to the LS. I know I need the newer truck flywheel, 11/12in pressureplate, ls7 pilot bearing/bushing. The real question is from what Ive seen I wont need a different bell housing? I am aware not all the bolts line up which isnt a big deal. Before anyone says anything I do not want a auto or a t56, I already have a race car so all I want this truck for is to blast around town in. Thanks for any info I appreciate it.

Here is a picture of the truck.
http://i36.photobucket.com/albums/e1...psf11983aa.jpg

BR3W CITY 12-17-2014 07:58 PM

Re: LSx to sm465
 
How would a t56 prevent you from "blasting around town", any differently from the 4speed?

HemiChallenger71 12-17-2014 08:03 PM

Re: LSx to sm465
 
The most recent hot rod magazine had an article exactly about this.

Looks like a '67 to me.

Nitis 12-17-2014 09:08 PM

Re: LSx to sm465
 
This is a 4x4 but should have some info

http://ls1tech.com/forums/conversion...el-hunter.html

Nothing wrong with your setup man I am keeping my TH350 cause I dont need an overdrive and it is a brand new trans

Nitis 12-17-2014 09:09 PM

Re: LSx to sm465
 
Probably just replacement fenders as I see 6 lugs but 20 badges

Roostboy102 12-17-2014 10:24 PM

Re: LSx to sm465
 
I noticed that truck when I picked up my FRS wheels a couple months ago :metal:

Go for it! The only thing I remember possibly being an issue is the mechanical clutch linkage...

mikevogt 12-17-2014 10:28 PM

Re: LSx to sm465
 
^Correct just has 20 badges on it not really sure why.

Quote:

Originally Posted by BR3W CITY (Post 6961560)
How would a t56 prevent you from "blasting around town", any differently from the 4speed?

I despise t56's, they cost way to much money and break constantly. Plus they feel terrible also. So yeah I rather spend 4-500 bucks to make the 4 speed work vs 2 grand on a t56. If I was spending that much money to make it a 6 speed id put a nissan 350z trans behind it most likely.

mikevogt 12-17-2014 10:31 PM

Re: LSx to sm465
 
Quote:

Originally Posted by Roostboy102 (Post 6961765)
I noticed that truck when I picked up my FRS wheels a couple months ago :metal:

Go for it! The only thing I remember possibly being an issue is the mechanical clutch linkage...

Nice yeah I know a bunch of people from R/T this used to be dans truck one of the guys that work there! Im going to convert it to hydraulic.

BR3W CITY 12-18-2014 12:31 AM

Re: LSx to sm465
 
Quote:

Originally Posted by mikevogt (Post 6961773)
^Correct just has 20 badges on it not really sure why.



I despise t56's, they cost way to much money and break constantly. Plus they feel terrible also. So yeah I rather spend 4-500 bucks to make the 4 speed work vs 2 grand on a t56. If I was spending that much money to make it a 6 speed id put a nissan 350z trans behind it most likely.


You won't find the z's tranny for less than a t56, and the Mazworks adapter plates run around $450 last time I checked. We have a Z kicking around here waiting to kill the VQ (it'll be a while), so we can make use of this ls2.

mikevogt 12-18-2014 12:18 PM

Re: LSx to sm465
 
Quote:

Originally Posted by BR3W CITY (Post 6961965)
You won't find the z's tranny for less than a t56, and the Mazworks adapter plates run around $450 last time I checked. We have a Z kicking around here waiting to kill the VQ (it'll be a while), so we can make use of this ls2.

Im not saying it would cost less. I had a z trans on a 1uz lexus v8 and only spent 300 bucks on the trans but all said and done probably cost 1500-2grand to adapt it.

BR3W CITY 12-18-2014 07:42 PM

Re: LSx to sm465
 
The nv4500 weighs a little less, you get the extra gear as well....tho sometimes getting one for 2wd behind an LS motor isnt the most plentiful option.

mikevogt 12-18-2014 07:45 PM

Re: LSx to sm465
 
Quote:

Originally Posted by BR3W CITY (Post 6962914)
The nv4500 weighs a little less, you get the extra gear as well....tho sometimes getting one for 2wd behind an LS motor is the most plentiful option.


What did the nv4500 come in? I remember my old cummins dually had that trans in it.

BR3W CITY 12-19-2014 02:29 PM

Re: LSx to sm465
 
Starting in late 93 you could get them in Dodge and GM trucks. The actual Dodge vs GM nv4500's are a bit different in terms of speedo output etc. First place I saw them was medium duty GM stuff like UPS trucks. The designation is MT8 or gm #12346190

patdaly 12-20-2014 09:43 PM

Re: LSx to sm465
 
Bottom line, on the cheap, use your existing bellhousing, you will be shy 1 bolt, won't hurt a thing,

Then all your clutch linkage, etc. will still be there.

You do have to use the LS flywheel, clutch and I believe a LS2 Pilot adapter?

yossarian19 12-23-2014 11:05 AM

Re: LSx to sm465
 
You also need to get a pulse generator for the vehicle speed sensor.
I think Dakota Digital has something for this, though I eventually just went 4L60E.
I think an SBC bell housing will work but I don't know about the I6 pattern. If it's the same as the 90 degree 8 cylinder block pattern, and the starter hump is in the right place, it should work fine.


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