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auto to stick conversion?

2911 Views 23 Replies 11 Participants Last post by  Charles
well i tried getting a response over at dieselstop but no luck and i got invited this way so i guess i will make my first post a goody

it am tired of this freewheelin automatic
i thought i'd try one but i am just not happy with one behind a diesel
so i need help and insight how to convert to a hand shaker
thanks
tanner
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well i tried getting a response over at dieselstop but no luck and i got invited this way so i guess i will make my first post a goody

it am tired of this freewheelin automatic
i thought i'd try one but i am just not happy with one behind a diesel
so i need help and insight how to convert to a hand shaker
thanks
tanner
What do you do with the truck? I think it is just the crappy TC/tranny that bugs you. You definitely need to sit in/drive a truck with a BTS or JW or other built tranny. World of difference.
BTS is the best mod I have done to date.
i havent ridden in one
but then i am lookin at the prices to get a built auto of converting to a 6 speed and unless i am overlookin something
wouldnt it be cheaper for me to convert to a manual then spending $4500 min. to get a built trans?

and i do like shifting myself a lot better
If you (like me) just don't like automatic transmissions, even a BTS won't satisfy you. Personally the fact that a transmission has to be modded to make it stand up really turns me off of them.

As for cost, the hardest thing is finding the ZF6. You can buy one online, but I can't find any prices at the moment. Prices for the ZF6 on a gasser are around $3,200. I'm sure it's a little more for the diesel. Then you'll need a clutch and perhaps a new flywheel. I believe the auto uses the same transfer case, but I really couldn't say.

As for fab work, you'll have to cut and weld a bit on the sheet metal in the cab floor, as the ZF6 is taller than the slushbox. You may need to elongate or shorten a drive-shaft or two, I really couldn't say.

Your best bet is to find a wrecked truck at a junk yard, buy the transmission, clutch, flywheel, clutch pedal assembly, drive-shafts, and maybe transfer case. The actual work isn't all that hard, but there's plenty of parts to get. You could offset this cost of course by selling your automatic transmission. If you get a good price on everything, you might get out of this with your wallet only a couple grand lighter.
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that was the plan
when i lived in sidney mt i worked for a guy that bought wrecked super duty's and rebuilt them
and he was a strictly auto man so if a six speed came in he most likely converted to an auto
so i am hoping that i can swing a deal with him and swap most parts with him
so you have to change the floor pan AND do further cutting/welding to cab itself?
I gave 1900 dollars for the brand new crate ZF6 in my truck. You can pick up a reman for about the same price usually.

Call Southern Gear in Atlanta Ga and see what they want for a ZF6 reman. Be aware that there will likely be a core charge of around 500 bucks as well.

If you get serious about it let me know as I can tell you EVERY little thing that will have to be changed and I personally have a couple harnesses you might want as well as a spare clutch pedal assembly.

Maybe we should trade.....your auto for my manual

:D

Although I don't think I've got the energy for another project right now.
whenever you are ready charles
let me know
How many miles you got on the auto, and what's its condition?

I can't believe I'm even considering this right now...

:eek:

Oh, and how far do you live from TN? No that's not Turbonetics ;)
This would be a crazy swap if you guys end up doing it and how long do you think it would take you.
I don't think it would take all that long on my end at all. Basiclally just the same as a clutch swap for me, but just putting back a flexplate and an auto instead of the manual. When I go this route it will be controlled via a stand-alone module with a joystick, so not harness issues for me.

I think it could happen in a weekend. The only thing that is a variable is how receptive his underbody will be to the top of the ZF6, and the hole for the shifter in his floor.

Just depends on if he would be willing to meet in TN at swamps to do it. I know my way around that shop blindfolded and their tools, lifts and such make this type of thing a breeze.

Not to mention I could prooobably get em to let me use a couple bays for a weekend...

;)
Talk to Kevin at BWD, they did the conversion on BB's Pulling truck. I know the tranny adapters from the auto to manual are different by about a 1/2 inch.
There simply is no adapter with the manual. The auto requires the aluminum ring adapter as well as longer dow pins wich will not work on the manual tranny.

There are a few little things, but it's pretty straightforward. Overall driveline length is maintained. If you pull Tranny and T-case together, you don't even have to worry about the T-case input shaft splines.
We swapped out Bryan Kinney/Psychostrokers manual for a BTS complete with changing harnesses, carpeting, etc in about a day and a half. Was not hard just time consuming, but there was about four of us working on different things. In fact, they put the pics on the BTS website, I think they're still there.
128K and not a problem what so ever
So you feel like meeting me in Tennessee some time, lol.

Just seems like the two trucks side by side would be best. And I know that shop has whatever it takes.
But what good is a stock tranny going to do you Charles?
I don't think it would take all that long on my end at all. Basiclally just the same as a clutch swap for me, but just putting back a flexplate and an auto instead of the manual. When I go this route it will be controlled via a stand-alone module with a joystick, so not harness issues for me.

I think it could happen in a weekend. The only thing that is a variable is how receptive his underbody will be to the top of the ZF6, and the hole for the shifter in his floor.

Just depends on if he would be willing to meet in TN at swamps to do it. I know my way around that shop blindfolded and their tools, lifts and such make this type of thing a breeze.

Not to mention I could prooobably get em to let me use a couple bays for a weekend...

;)
Well if you have a shop with lifts and the such it well be easier I was thinking you were going to do it in your garage on the floor.


But what good is a stock tranny going to do you Charles?
I don't think a stock trans will hold up to the power in your truck
It would be used as a core. Although I'm still not sold on the possibility of a converter and valvebody not doing the trick.

It's not the power that stresses the tranny, it's the torque. With a good converter not spitting pieces of clutch all though the rest of the tranny, a good valvebody to keep shift duration down without a whole lot of line pressure and a good tranny cooler/gauge I think it's doable. The only thing I really see failing would be an actual hard part like a planetary cluster, or a shaft actually just snapping. I don't see it "wearing" out like most do once the pressures start dropping, single disc lockup clutches start coming apart and temps skyrocket and such.

With that having been said, there's no telling if I could at some point actually justify 4 to 5000 dollars for a freakin transmission or not.

Would be nice to have.....but the price is just stupid IMO. Not that it's not in there on a "built" unit.....but at the end of the day, it's just a damn transmission.

:D
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How does the zf5 compare to the 6? Would there be a problem with not enough room to go from 5spd to auto in a 95?
How does the zf5 compare to the 6? Would there be a problem with not enough room to go from 5spd to auto in a 95?
I'll trade you my bts auto for your handshaker and big oil:D
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