T5 conversion - Page 3 - Forums at Modded Mustangs
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post #41 of 49 Old January 20th, 2015, 07:45 PM
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You need to make sure your starter is 157 tooth. I believe my original one worked. I switched from an auto to a T5 so I needed a flywheel and clutch anyway, not sure if you need one from 3 speed. Might not be a bad idea though since the trans will be out anyway.

The speedo gear tooth count is determined by your rear end gearing and tire size.

Mustang Speedometer Gear Calculator

1968 Mustang coupe 5.0/T5 Build Thread
1968 Mustang fastback 351w/C4 Fastback Build

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post #42 of 49 Old January 20th, 2015, 07:49 PM Thread Starter
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cool, so I have to figure out what my 66 6cy gearing was,, or just start over as the new axle has 3.73 gears. Not sure what tires are just yet, as still needing to find wheels for the 5x4.5 lug pattern, then tires. cool, thanks for the info
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post #43 of 49 Old January 21st, 2015, 10:25 AM Thread Starter
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So this should be all i need correct:

T5CM2 01 TRANSMISSION CROSSMEMBER T-5 CONVERSION 67/70
$129.95 $129.95

R98794 01 CLUTCH KIT POWERGRIP 10-1/2" 86/01 4.6/5.0L (RAM)
$316.95 $316.95

M4841B 01 DRIVESHAFT SLIP YOKE 79/95 MUSTANG A/T M/T (FRPP)
$62.95 $62.95

RM001 01 CLUTCH CABLE CONVERSION 65/66 W/ TREMEC/T5/T45/T56
$254.95 $254.95

M6375A302 01 FLYWHEEL BILLET STEEL 28.2 OZ 157 TTH 65/80 SB
$238.95 $238.95

If changing the quantity press this key to update. Subtotal: $1,003.75
Maybe a starter and driveline length adjustment
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post #44 of 49 Old January 21st, 2015, 01:58 PM
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Looks like thats everything. I was able to re-use my C4 yoke, not sure if you can re-use yours or not.

I went with a Centerforce dual friction clutch, it has a stock like pedal feel and is designed to add more pressure the faster the clutch spins. Might be worth looking at, lots of good reviews online. Forgot it is a bit more expensive though.

http://www.summitracing.com/parts/ct...1048/overview/

1968 Mustang coupe 5.0/T5 Build Thread
1968 Mustang fastback 351w/C4 Fastback Build

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post #45 of 49 Old January 22nd, 2015, 05:11 PM Thread Starter
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cool, I use a centerforce in my samurai. I'll take a gander for sure.
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post #46 of 49 Old February 9th, 2016, 05:02 PM
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Am I able to use the T-5 out of a 1998 v6 mustang for the swap? Found one at a wrecking yard, but not sure if it's compatible.
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post #47 of 49 Old February 9th, 2016, 06:56 PM
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You can, you just have to get a bellhousing for a v8 and make sure to double check the input shaft length to match to the right bellhousing.

1968 Mustang coupe 5.0/T5 Build Thread
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post #48 of 49 Old February 12th, 2016, 03:24 AM
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won't I need to get a new bell housing either way? or do the ones out of the v8's work?
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post #49 of 49 Old February 12th, 2016, 10:19 AM
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You can use the trans but it has a few things to address. I believe the 97+ T5s have an electric speedo, so you'll have to figure that one out to make the speedometer work. YOu need to either use a 94-95 V8 bellhousing, or switch the input shaft to the fox length and run a fox bellhousing, or run the 3.8 bellhousing but it is 164 tooth and you'll need a flywheel to match and maybe a new starter, also note that the clutch fork comes out a bit lower on the 3.8 bellhousing so that could be an issue.

You can use a regular mech speedo if you swap an earlier tailhousing on the trans.

If you have aftermarket gauges, the elect speedo shouldn't be too hard to wire in. I would def swap to the fox input shaft. It's not as hard as some people might have you think. Then you can run all normal foxbody T5 parts including the bellhousing. If you do this, get teh steel bearing retainer, its a cheap easy upgrade.

Here's a site with some info also:

Mustang T-5 Transmission Swaps and Interchange

1968 Mustang coupe 5.0/T5 Build Thread
1968 Mustang fastback 351w/C4 Fastback Build

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