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Old 05-24-2010, 12:21 PM   #1
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2004 v6 transmission into my 1994 GT

Hows it going,

Ive been considering taking out my 1994 GT AODE & installing a manual transmission,

I have been offered 2 different v6 transmissions,one is from a 98 v6 & the other is from a 2004 v6.

Below is what the tags show-

98 tag F4ZR-7003-AC REP-BB A2552
1352-238 49360

04 Tag 2R33-7003-BA REP-BF
TTET1798 11897 J2512

Will the 2004 v6 tranny bolt straight in & clutch fork work ok etc?
Dallas speedcal will correct the speedo right?
will a 94-95 GT clutch work ok with the 2004 box?

thanks for your time
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Old 05-25-2010, 02:50 AM   #2
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i'm unsure about the 04 t5...I think it's still a t5...I know for a fact that the other one is.

The good news is that they have the same gear strength as the 90+ v8 ones...

the bad news is that the tail shaft, input shaft and speedometer gear are different. In order to make it work, you'll need to swap on the correct 85-95 tail shaft. On top of that, the sn95 v6's had an electronic speedo. It's not the end of the world..my trans shop cuts a slit into the spot on the mainshaft on the newer shafts, which allows it to be converted back to a mechanical type speedo...I'll post a pic if I have one. On top of that, you'll likely have to swap out the front input shaft too, as it's probably not the right length.

PICTURED is the slit to be cut at the end of the mainshaft to accept the mechanical type speedo.

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Old 05-25-2010, 06:18 AM   #3
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Old 05-25-2010, 07:52 AM   #4
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I agree that you have to do the tail housing swap and drill a small hole in the main shaft (I'm unsettled about sawing a SLOT in the shaft.) in order to use a 99-04 T5 in a FOX. Yes, it will either need a FOX type input shaft, or the 94/95 SN-95 bell housing. Othen than those items, it IS essentially the same transmission as a 90-95.

However, in this case, it is going into an SN-95. The SN-95 HAS NO SPEEDOMETER CABLE and uses a mechanically-driven electronic signal for the speedometer. I have read many times that the Speed-Cal can handle this just fine, and therefore, I see no reason to mod the transmission.

Be aware that the 99-04 tail housing has relocated the crossmember mounting point a bit further back. It looks to be about an inch. Therefore, you will need to modify the mount a bit. Perhaps an offset plate?
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Old 05-26-2010, 04:23 AM   #5
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Although the 98 transmission is not as strong,would it bolt right up ok with its bell,input shaft etc?...obviously i will need a 5.0 flywheel etc to go in.

Which starter motor,5.0 or the 98 v6?

thanks for replies
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Old 05-26-2010, 05:08 AM   #6
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Old 05-26-2010, 05:31 AM   #7
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Quote:
Originally Posted by 85primer View Post
The 98 trans should bolt right up to the sn95 5.0 bell. And you can run your current starter. Another question would also be where this hole should be drilled also?
Thing is i dont have a SN95 5.0 bell,but ive read the v6 bell will bolt right up?

If i had the choice i would get the right T5 from a 94-95,but they are rare over here in the UK.
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Old 05-26-2010, 06:51 AM   #8
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Quote:
Originally Posted by v8powerv8jim View Post
Thing is i dont have a SN95 5.0 bell,but ive read the v6 bell will bolt right up?

If i had the choice i would get the right T5 from a 94-95,but they are rare over here in the UK.
The 3.8 bell WILL bolt up. The starter is in a slightly different spot because it is designed for a 164 tooth flywheel and the 5.0 engines come with a 157 tooth flywheel.

I've read that the 3.8 housing can be used on a 5.0 if you use a 164 tooth flywheel from a late 80's 302 Ford Pickup. The clutch for that, will be 11 inches rather than the 10.5 and the starter "nose" is a different depth so you will need a different one that lines up with the rim of the 164 tooth flywheel.

I came across this information while researching the possibility of using a 3.8 housing on my 1965. Because the starter is located in a slightly different place, even the block plates are different between these two housings.
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Old 05-28-2010, 05:55 PM   #9
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Sorry for all the questions!..but i have some more.

1.To use the 98 v6 1352-238,remove the v6 bell & replace it with a 94-95 bell,keep the v6 input shaft,will it work fine with the 5.0 flywheel,clutch etc?

2.Is the v6 clutch fork the same as a 94-95 v8?

3.Guessing i will need a manual driveshaft?..whats the differences with them auto v manual.

appreciate your time with me everyone..
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Old 05-28-2010, 05:59 PM   #10
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1. YES

2. YES

3. I think the automatic yokes have a balancer on them and the T5 yokes don't. I'm not sure about the length, but I think they are the same.

I know the T5. Let's get someone that knows the car better to answer the driveshaft part!
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Old 05-28-2010, 06:11 PM   #11
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use the v8 bell, the v6 sn95 bell has the fork clocked at a different location from what I've been told. Speace, can you confirm this? I've always wondered if a v6 94/95 bell would work on a v8

the aod's do have a balancer on them. They are "slightly" longer, but shouldn't give you any issues re-using it. If you're worried, you can always slap on a t5 yoke without the balancer.
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Old 05-28-2010, 07:20 PM   #12
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Quote:
Originally Posted by v8only View Post
use the v8 bell, the v6 sn95 bell has the fork clocked at a different location from what I've been told. Speace, can you confirm this? I've always wondered if a v6 94/95 bell would work on a v8

the aod's do have a balancer on them. They are "slightly" longer, but shouldn't give you any issues re-using it. If you're worried, you can always slap on a t5 yoke without the balancer.
The FOX bell is "clocked" differntly from the SN-95 Bells.
The SN-95 V-6 and V-8 bells have the same clocking as each other.
Since this car is a 1994, it is an SN-95 and you should use the Sn-95 bell to get the correct clocking and to match the length of the input shaft of the planned SN-95 type transmission.

I believe I covered using the V-6 bell on a 5.0 earlier in this thread.
It can be done, but you need a 164t flywheel, an 11 inch clutch and a different starter.

It is MUCH better to use the correct V-8 bell housing so you will not have a non-standard car that gives the next owner fits when they need something simple like a new clutch and nobody has one that matches and they can't figure out why nothing fits...
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