2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Modding na driveshaft **HELP**

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Old Aug 17, 2005 | 08:06 AM
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Modding na driveshaft **HELP**

I have done searches, but have come up with nothing. My T2 engine and tranny are coming in today, but I don't have a rear end I can use the driveshaft with. I want to mod my na driveshaft to work with the T2 tranny. Does anyone know how to do this?
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Old Aug 17, 2005 | 08:16 AM
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Evidently an automatic slip yoke will fit the TII trans and your NA driveshaft, but it isn't a good fit in the trans. Better find yourself a TII diff/axles/driveshaft and get the job done right.
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Old Aug 17, 2005 | 08:51 AM
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Most cities have a drive shaft shop that can build a custom shaft pretty cheap.
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Old Aug 17, 2005 | 09:16 AM
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I tried to get a driveshaft made by three different shops here and they each wanted 300+. I was not up for that. The auto tranny driveshaft is about an inch and a half short so I put the slip yoke on an n/a driveshaft. I bought an auto tranny driveshaft for 50 from another forum member and took the slip yoke off of it by pressing out the old u-joints and put it on the n/a driveshaft after pressing out the u-joints. I put replaceable u-joints in from arizonadrivelines.com, and I think they were 20 somthing shipped a piece. My opinion that is not a bad price and plus you then have not only replaceable u-joints but they are also servicable.
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Old Aug 17, 2005 | 10:27 AM
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That $300 probably includes all the labour, BALANCING and a warranty, so it's a fairly good deal.

Mazdatrix sells a driveshaft that lets you go from the TII transmission to an NA rear end, but it's around $300.
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Old Aug 17, 2005 | 10:42 AM
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Thanks for all the help guys. Even though my budget is pretty tight, I think I may go with the Mazdatrix shaft.
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Old Aug 17, 2005 | 11:20 AM
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a temp fix would be to make a 1" metal plate spacer with 4 bolt holes and longer driveline bolts, for the end of the driveshaft( using the auto driveline) thats what i did, it wasnt very balanced and vibrated pretty bad when going above 50, but it worked, and i needed to drive the car! been driving it a month like that and its still holding.
a shop could machine u a piece for under 100 i bet.( my dads work did it for free )


note this is not the " right" way to do it, the drivelines going to break eventually.... but if you dont have 300 thats the only cheaper way i can think of to get the car moving.
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Old Aug 17, 2005 | 12:33 PM
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I don't really need the car that bad, I have two other I can drive. But thanks for the idea.
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Old Aug 17, 2005 | 03:01 PM
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Originally Posted by kompressorlogic
note this is not the " right" way to do it, the drivelines going to break eventually.... but if you dont have 300 thats the only cheaper way i can think of to get the car moving.
Do you have some sort of driveshaft loop in your car? It might be a good idea.
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Old Aug 17, 2005 | 06:12 PM
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Is it just me, but does everyone have a small budget with these cars? Noone ever wants to pay for something done right it seems (not referring to anyone here).

Good luck however.
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Old Aug 17, 2005 | 06:20 PM
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Originally Posted by Jager
Is it just me, but does everyone have a small budget with these cars? Noone ever wants to pay for something done right it seems (not referring to anyone here).

Good luck however.
If you look @ the adverge age you will find most rexers are on the young/broke side. I was there when I joined the forums a few years back. Fc's are a cheap, until you buy something for it
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Old Aug 17, 2005 | 06:51 PM
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Originally Posted by Aaron Cake
That $300 probably includes all the labour, BALANCING and a warranty, so it's a fairly good deal.

Mazdatrix sells a driveshaft that lets you go from the TII transmission to an NA rear end, but it's around $300.
Thats what I did with my TII tranny swap is go from the TII transmission to the N/A rear end. The total price was something like $75 and probably took a total of 45min. I took a junk cast socket and pounded out the OEM staked u-joint and replaced it with a servicable/replacable unit with the retaining clips inside the yoke, so there was no milling or maching to replace them. I attached a Auto tranny slip yoke to the N/A driveshaft. I have put several thousand miles on it, have checked it out, and grease it at every oil change. It has worked out great so far.
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Old Aug 18, 2005 | 07:01 AM
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Originally Posted by Jager
Is it just me, but does everyone have a small budget with these cars? Noone ever wants to pay for something done right it seems (not referring to anyone here).

Good luck however.
It is not that I am cheap or don't want to do the car right, I would love to do things the "right" way, but I have a $30,000 AE86 in the works and I also have a payment and insurance bill for a 2004 Tacoma. So, that is why I don't have the extra cash to spend.
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Old Aug 18, 2005 | 07:04 AM
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Originally Posted by MonkeyMagic
...but I have a $30,000 AE86 in the works
Boy, do you have your priorities all messed up...


-Ted
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Old Aug 19, 2005 | 12:46 PM
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haha, whatever REted. I love my 86.
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Old Aug 19, 2005 | 10:05 PM
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I had a Zenki hatch.
I thought it was a piece of ****.
My FC would run rings around it.


-Ted
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Old Aug 20, 2005 | 03:56 AM
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Originally Posted by Kai
Do you have some sort of driveshaft loop in your car? It might be a good idea.
i bought the car for hceep with a incomplete turbo swap then got it driveable then i actually sold the car, i explained the drift shaft and told him he needs a replacement asap, and lowered the price.
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Old Aug 20, 2005 | 04:02 AM
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you can take the NA drive shaft and put the At slip yoke on the front of it. if for some reason its not long enough, a shop can retube the driveshaft and make it longer for you. shouldnt be more than $100. if it is, tell them to go pound sand.

go to a 4x4 or commercial truck shop that deals w/ Box trucks and the like.
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Old Aug 20, 2005 | 09:36 AM
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Thumbs up

Originally Posted by RETed
I had a Zenki hatch.
I thought it was a piece of ****.
My FC would run rings around it.


-Ted
I have a kouki 86. I have a stroked and turboed silvertop going in it with a TRD widebody, work wheels, 8 pt. cage, and many other things on it. I almost sold it to work on the FC, but I love the car so much, it's so much fun to drive. I love the handling charactoristics of it.

Thanks for all your help guys, but I just found a TII rear end, and I guess I'll just go with that and do it the "right way". If worse comes to worst, I'll go with that slip yoke. Again, thanks for your help.
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Old Aug 21, 2005 | 06:05 PM
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i like this guy, hes got good taste; rx7's and toyotas. corollas are a start, we need to get you on a supra regimen too
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Old Aug 23, 2005 | 10:49 PM
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Supra's are awsome cars, but slightly on the big side for me. If I am to purchase another vehicle, it is a toss up between fd and nsx. I don't know if I want to go mid engine though.
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Old Aug 23, 2005 | 11:43 PM
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Originally Posted by Jager
Is it just me, but does everyone have a small budget with these cars? Noone ever wants to pay for something done right it seems (not referring to anyone here).

Good luck however.

if we had money, we would all be driving FD's. but you gotta admit, the average "cheap" FC owner will come up with some pretty clever ways to hop up the car for little $$.
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Old Aug 23, 2005 | 11:45 PM
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thats true, or at least we would buy real turbo II's lol
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Old Aug 24, 2005 | 01:49 AM
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yeah, i suppose i would own an FD if i could. but id much rather own a MKIV instead. i know guys going REALLY fast in TT's... the old joke "whats the difference between a 400 rwhp and a 800rwhp supra? Nothing, they both run 13's" doesnt hold true anymore. my friend runs 12.5's with DP, exhaust, intake and EBC. i know guys running 9's on street tires with liscense plates too. either way, people like what they like. so if you like an NSX or an FD or whatever, get it!
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Old Aug 24, 2005 | 02:46 PM
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Originally Posted by andrew lohaus
if we had money, we would all be driving FD's. but you gotta admit,
Speak for yourself. I have absolutely no interest in the FD. If I wanted an ugly car that would blow up every 10 minutes, I'd buy a Vega...

the average "cheap" FC owner will come up with some pretty clever ways to hop up the car for little $$.
Replace the word "hop" with "hack", and that statement would be more accurate.
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