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TR-3650 for LS, options/?s.

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Old Oct 19, 2018 | 08:53 AM
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Default TR-3650 for LS, options/?s.

I picked up a TR-3650 out of an 03 Mustang, and have/had the intentions of making adapter for the LS, using the T56 bellhousing. But I'm at the point of selling it buying a used TKO, money wise might be cheaper using the 3650, if and when a replacement is needed.
What do you guys think?

Thanks.
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Old Oct 19, 2018 | 09:20 AM
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Money wise it might be cheaper to use a transmission that already works...
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Old Oct 19, 2018 | 12:31 PM
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I saw a thread on here a while ago where a guy was doing an LS swap and used a 3650 in the Fox Mustang. The biggest drawback was that the bellhousing was somewhere in the ballpark of $700 bucks.
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Old Oct 19, 2018 | 07:01 PM
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From: Little Austin
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Look up G-Force. They make an adapter for the 3650 to mount to older SBC bells.

Andrew
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Old Oct 20, 2018 | 12:06 PM
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Yes, that was/is my intention, the adapter is $450.00, plus you will need to get the 05 and up 3650 input shaft. Just a note, AMP is making 26 splined input shafts, and they are $300.00. I'm going to try and sell the 3650, get my money out of it and buy a TKO 500 I have a lead on. But, either way it's about the same $ wise.

Thanks.
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Old Oct 20, 2018 | 12:37 PM
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From: Little Austin
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I don't know this for a fact, but I think the 3650 is a better shifting transmission than the TKO. The TKO uses older T10 style synchro gears and they are inadequate for dealing with the mass of all the gears. I'm pretty sure the 3650 uses the better T56 design synchros.

Andrew
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Old Oct 21, 2018 | 08:35 AM
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Yes, you are correct on both, that's why I started down this road. The best thing is to continue on.

Stampede.
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Old Oct 21, 2018 | 10:21 AM
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Originally Posted by Stampede4ever
Yes, you are correct on both, that's why I started down this road. The best thing is to continue on.

Stampede.
Please document your progress. By all accounts the 3650 is pretty strong and it could be a decent, lower cost alternative to the T56.

Andrew
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Old Oct 21, 2018 | 12:23 PM
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If anyone has LS1 T56 Bellhousing that they are willing to sell for a good price or ever let me borrow one for awhile, let me know.

Thanks.
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Old Oct 21, 2018 | 12:29 PM
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This is the 3650 trans that I picked up from the guy who did the Coyote swap. This the difference between a T5 and 3650 input shaft.

Stampede.
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Old Oct 21, 2018 | 01:54 PM
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From: Little Austin
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The difference in gear size and the synchro surface area is substantial!

Sending PM.

Andrew
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Old Oct 21, 2018 | 08:01 PM
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Originally Posted by Project GatTagO
I don't know this for a fact, but I think the 3650 is a better shifting transmission than the TKO. The TKO uses older T10 style synchro gears and they are inadequate for dealing with the mass of all the gears. I'm pretty sure the 3650 uses the better T56 design synchros.

Andrew
the 3650 uses brass, seen in a post above, no interchange with the T56.
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Old Oct 21, 2018 | 08:22 PM
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From: Little Austin
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Originally Posted by jmd
the 3650 uses brass, seen in a post above, no interchange with the T56.
​​​​Yes, they are brass, but if you look at the synchros on a TKO you'll see they are much smaller.

Andrew
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Old Oct 22, 2018 | 06:59 AM
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Yes, please keep this thread updated! It would be great to find a budget friendly alternative to the T56. I had a 2001 GT Mustang and always loved the way that it shifted.
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Old Oct 22, 2018 | 02:29 PM
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How much are T56's going for in your area, if you can find one? They are going for about $2500.00 around me.

Thanks.
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Old Oct 22, 2018 | 06:37 PM
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Also, can anyone tell me how far the input shaft sticks out past the bellhousing, and the length of the t56 bellhousing is? I'm getting different dimensions when searching.

stampede
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Old Oct 22, 2018 | 07:03 PM
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From: Little Austin
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Originally Posted by Stampede4ever
Also, can anyone tell me how far the input shaft sticks out past the bellhousing, and the length of the t56 bellhousing is? I'm getting different dimensions when searching.

stampede
I can tomorrow. I have a T56 with a bellhousing sitting in the garage.

Andrew
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Old Oct 23, 2018 | 02:31 AM
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Originally Posted by Project GatTagO
The difference in gear size and the synchro surface area is substantial!

Sending PM.

Andrew
Well, the T5 was originally designed for use behind a 2.5 four cylinder in the AMC Spirit, it is amazing they managed to barely survive in the almost 200 hp 5.0 Mustangs and Camaros of the late eighties...
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Old Dec 17, 2018 | 06:52 PM
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Well, l picked up another tr3650, came out of an 01 Cobra. It has an issue going into first, I was told it was raced a lot, the guy bought with a blown half shaft. This way l won't feel to bad tearing this one down, and it came with an aftermarket shifter. If l can sell the bellhousing and get most of my money back l would be happy. Need to make room for he tear down now.

Stampede.
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Old Dec 18, 2018 | 05:16 PM
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I have a 3650 behind a ls
Call Bob Hanlon he can set you up with a adapter to bolt it to a conventional bellhousing.
You then need a quicktime bellhousing for a chevy engine to a ford trans. Lakewood has a pilot bearing for this application.

Tim
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