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Old 10-25-2009, 10:37 PM   #1 (permalink)
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Default Changing from 5-speed, to 6-speed Q's.

I have my 6-speed out of my old '98 VR4, I was rear ended and just took the parted I needed off the car. Anyhow, i have a '93 currently, what do I need to chnage to put in the 6-speed, is it worth it, my 5-speed grinds going into 2nd if I go to fast..
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Old 10-25-2009, 11:44 PM   #2 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

Guess I am in the same boat

I had my 94 rear ended and am thinking I will put the 6 speed in the 93 I have and sell the 5 speed.

Just get a bell housing brace welded into the 6 speed and call it a day.


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Old 10-26-2009, 12:02 AM   #3 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

Quote:
Originally Posted by OneRedVr4 View Post
I have my 6-speed out of my old '98 VR4, I was rear ended and just took the parted I needed off the car. Anyhow, i have a '93 currently, what do I need to chnage to put in the 6-speed, is it worth it, my 5-speed grinds going into 2nd if I go to fast..
I believe you need a 6-speed transmission, transfercase, driveshaft, rear diff, and shift linkages. I would just fix the synchro in the 5-speed. With a transfercase brace it'll hold enough power unless you're going for huge power. In that case, you'd want to upgrade to a SS front and mid housing for $1400. If you had all of the conversion parts and did the work yourself it would be the cheaper route. All you'd need would be a bellhousing brace like Kibwe said. Before too long I'm sure we'll have more people that show problems with the 6-speed transmission cracking. A billet endcase isn't a cheap fix but if you're not on a large TD05 turbo setup or bigger you probably won't have to worry about it.
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Old 10-26-2009, 01:16 AM   #4 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

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Originally Posted by Kibwe Walker View Post
Guess I am in the same boat

I had my 94 rear ended and am thinking I will put the 6 speed in the 93 I have and sell the 5 speed.

Just get a bell housing brace welded into the 6 speed and call it a day.


In for the read.

A bell housing brace welded? I have a 25 spline transfer case right now. It doesn't even leak, thank god. So I will be drive shafts, rear dif, new transfer case and shift linkages huh. The 6-speed drive shafts are different I guess.

I will prolly just sell the six speed then for like 1200.00
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Old 10-26-2009, 01:30 AM   #5 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

how are the syncros in the six speed?? I have someone who might be interested in it.
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Old 10-26-2009, 09:31 AM   #6 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

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Originally Posted by OneRedVr4 View Post
A bell housing brace welded? I have a 25 spline transfer case right now. It doesn't even leak, thank god. So I will be drive shafts, rear dif, new transfer case and shift linkages huh. The 6-speed drive shafts are different I guess.

I will prolly just sell the six speed then for like 1200.00
yeah the bell housing is the weakpoint on the six speed.

To beef them up you can get a billet bell housing made or have a ring welded in at the weakpoint to prevent cracking.

I figured I would go with the 6 speed because of the 6th gear on the highway. Even though I have a tdo5 setup that will be going in this car the 6 speed has about 70k less miles on it compared to the 5 speed, I don't have to worry about the steel TC cracking on a hard launch and the gears are a little closer for the laggy situation that evo 3's can have at sane speeds.

I have everything from my 94 to transfer to my 93 so its just the time to do it. I do like the longer gearing of the 5 speed but in the end I will probably have my ecu overclocked for a 8k redline since evo 3's can still breath up there. 8k rpms in a us spec 6 speed is still 12x mph so regardless 4th gear will be required for a 5 or 6 speed at those speeds.
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Old 10-26-2009, 09:58 AM   #7 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

keep in mind its only the front piece of the driveshaft that needs to be switched out, not the whole thing
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Old 10-26-2009, 04:47 PM   #8 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

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keep in mind its only the front piece of the driveshaft that needs to be switched out, not the whole thing
Ahh thank you. What are the limits of the 6 speed Vs. the 6 speed transmissions? MPH wise? I think the 5 speed can go a little over 180 MPH, if I did the calculations correctly what about the 6 speed. Are both 5 and 6 speed Getreg transmissions?
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Old 10-26-2009, 04:54 PM   #9 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

Here is my Current Situation. When pulling the transmission a pry bar slipped and punched out a hole in the bell housing. I have to see if it is worth repairing the hole, or getting a used housing here on 3sI from someone. Either way I am cleaning the transmission up tonight.

Called Mitsubishi today, they can't get me a new bell housing it has to come from GetRag, or I have to purcahse an entire transmission. Mine is mint! minus that hole you can see at the top. For re-sale, should I just get a new housing from someone Id on't think I will go through with the 6 -speed swap.



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Old 10-26-2009, 07:01 PM   #10 (permalink)
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Default Re: Changing from 5-speed, to 6-speed Q's.

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Originally Posted by OneRedVr4 View Post
Ahh thank you. What are the limits of the 6 speed Vs. the 6 speed transmissions? MPH wise? I think the 5 speed can go a little over 180 MPH, if I did the calculations correctly what about the 6 speed. Are both 5 and 6 speed Getreg transmissions?
Stealth 316 - 5-spd to 6-spd AWD Conversion
Stealth 316 - Gear Ratios

both getrags

6 speed each gear is a little closer to the next

the 5 speed tops out around 200 mph in 5th gear @ 7k rpms, stock redline is actually 73xx rpms so you can go past 200 mph as long as you are making the power to do it beyond 7k rpms

the 6 speed tops out at around 185 @ 7k rpms in 5th gear same 73xx rpm stock redline but then again there is that 6th gear that is geard for 240+.

If you had the power and tires to withstand it you could do it if thats your thing. Major concern would be the oil in the transfer case.
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