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By wrencher52 - 15 Years Ago
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Anybody know if it is possible to bolt a 5 speed (fox body mustang) to a Y-block bell housing?
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By Nick Brann - 15 Years Ago
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Hi, Yes there are quite a few of them running around. You can get an adapter from John Mummert (www.ford-y-block.com). Goes between the Y-block bell housing and the 5 speed. Good luck, Nick Brann - K.C., MO
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By charliemccraney - 15 Years Ago
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Sure is possible, though it's not a bolt in. Modifications have to be made.
http://www.y-blocksforever.com/forums/Topic15164-4-1.aspx?
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By gritsngumbo - 15 Years Ago
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Nick Brann (10/25/2009)
Hi, Yes there are quite a few of them running around. You can get an adapter from John Mummert ( www.ford-y-block.com). Goes between the Y-block bell housing and the 5 speed. Good luck, Nick Brann - K.C., MO
The car Y-block uses an adapter from Mummert, but the truck installation requires modification to your truck 3 speed bell housing (which Mummert does). You have to send yours to him, he modifies it and sends it back.
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By Tom Compton - 15 Years Ago
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Did this on my 56 Vicky. My rearend is 3.73:1 and have the .67:1 OD T5 so cruises at 70MPH doing + - 2,000 RPM. Uses same pressure plate and throw out brg but needs different clutch disc as Y input spline and 'Stang input are slightly different width (both are 10 spline but diff in widrh). Will need to fab a cross member (transmission mount), longer driveshaft and different speedometer cable. I am tall and used stock tranny with seat all the way back. Bought a shifter stick I like from Hurst. WELL worth the trouble and expense. TC
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By miker - 15 Years Ago
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Check the picture on the link Charlie noted of grinding the input shaft shorter. I did the same thing, and while I turned the output yoke, a steady (younger) buddy ran the cut off wheel. Got a near perfect square cut much easier than we thought. We bolted it up without the pilot bearing and used clay to check for clearance so it didn't bottom in the crank. If it does, it will eventually seize and the clutch will not release (well, it will, but the input still turns). Ran a car into the garage wall one time on a seized shaft, and I've been spooky ever since.
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By wrencher52 - 15 Years Ago
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Thanks for the info...
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By Tom Compton - 15 Years Ago
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Trimming the input shaft not necessary if going in a car and using Mummert's adapter. It is just the right thickness to not require trimming.
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By slick56 - 11 Years Ago
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I can get a brand new V8 5.4L XR8 TREMEC TR-3650 5 SPEED at a good price. Does anyone know how hard to fit one of these?
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By NoShortcuts - 11 Years Ago
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What follows I posted on Sept. 13th in response to another inquiry about transmission selection. I'm not 'up' on all the TREMEC numbers. The T-5Z will work for your application, my understanding is that some newer T-5 application units will not. I'd call Modern Driveline.
The T-5Z has a lot to be said for it. What follows is a small piece of what is presented on the Modern Driveline web site in the 'Tech Alley' section labelled 'T-5 History'
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The "Z" Spec T-5 "In 1993 Ford started offering a new service unit to the Ford Motorsport crowd. The nick name T-5z comes from Ford’s part number, 7003Z. This Ford Motorsport T-5 is also sometimes referred to as "World Class T-5". While it is a Word Class T-5, as it has all the upgrades, having a 2.95 first and “Cobra pocket bearing does not make it “World Class”. The T-5z is a 1993 Cobra T-5 with 2.95 first gear set and .63 over drive. It has the best of everything. Hardened gears, short throw factory shifter, steel front bearing retainer, and tapered output shaft bearing and a seven tooth drive speedometer gear. Best of all it has a torque rating of 330ft/lbs. based on 100,000 mile usage. The stock T-5Z can handle up to 450hp with a soft locking clutch and is not shock loaded like in drag racing."
________________ NOTE: The T-5Z 5 speed transmission weighs only 75 pounds! Also, IF you look at the Modern Driveline web site, you'll see that they also offer the option of a .73 overdrive ratio or a .59 overdrive overdrive for an additional charge. The .63 5th gear overdrive ratio is the standard TREMEC offering. ________________ A four speed or five speed transmission with the right rear end gearing will change the driving enjoyment of your y-block! With my tire size and 3.56:1 gears, I opted for the .73 overdrive ratio T-5z Modern offers.
I hope that pointing you toward the Modern Driveline web site is of some help. 
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By slick56 - 11 Years Ago
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Cheers Charlie Brown, terrific website + heaps of great information.
I have asked the question re. the Tremec part no., something i didn't consider was type of speedo drive, electronic or gear,
also of concern is a forward mount shifter to clear the split bench.
I have 205/75-15 tyres, 3.70 gears 9"
This is a fantastic forum, there appears to be an answer to everything!
Thanks again,
Al.
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By Rono - 11 Years Ago
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Slick56;
I remember the trial and error process with my T-5 trying to get the correct driven gear for my Haneline (no longer in business) speedometer. On my current build, I am seriously thinking about this new technology "Sky Drive" that uses GPS for calibrating your speedo. There are several companies making them and they average about $200, but may be worth eliminating the hassle. Here is an example of Auto Meter's device that is universal. http://www.autometer.com/media_newsarticle.aspx?yr=2012&mo=3&aid=124
Rono
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By The Master Cylinder - 11 Years Ago
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Rono (10/6/2013)
Slick56; I remember the trial and error process with my T-5 trying to get the correct driven gear for my Haneline (no longer in business) speedometer. On my current build, I am seriously thinking about this new technology "Sky Drive" that uses GPS for calibrating your speedo. There are several companies making them and they average about $200, but may be worth eliminating the hassle. Here is an example of Auto Meter's device that is universal. http://www.autometer.com/media_newsarticle.aspx?yr=2012&mo=3&aid=124Rono
Or if you don't already have a speedo you could get a GPS Speedo like the units from Speed Hut for not much more than the Auto Meter Interface... http://www.speedhut.com/gauges/GPS-Speedometers-Gauges-Only/1:3|39:1/i=12&p=5 You can even customize the face if needed/wanted. The one I'm interested in matches my SW oil an temp gauges pretty closely.
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By MoonShadow - 11 Years Ago
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I've been using the Speedhut GPS speedo in the roadster all summer. Works great! With this setup you don't have to worry about calculating tire size or gear ratio. You can change all you want. I just put a set of "custom" Speedhut gauges in a new dash for the roadster. Very nice set and very easy to setup. They come with plug in connectors from the gauges and senders. Its even possible to take the gauges out of their cans and use them without the bezels or cups. I had them make two of the gauges 90degree bottom sweep at very little additional cost. I didn't intend to rave on one company quite so much but they have been excellent to deal with. Chuck
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By lyonroad - 11 Years Ago
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I have 2 T5 Z code 5 speeds that I got from Modern Driveline in Boise. One in my 56 pickup behind a 351C and the other to go in my 55 Fairlane behind a rebuilt 292. The pickup drives and shifts like a dream. Modern Driveline can provide everything you need - adapters, yokes, speedo driven gears, shifters, clutches - both 10 and 11 inch etc.
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By The Master Cylinder - 11 Years Ago
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MoonShadow (10/6/2013)
I've been using the Speedhut GPS speedo in the roadster all summer. Works great! With this setup you don't have to worry about calculating tire size or gear ratio. You can change all you want. I just put a set of "custom" Speedhut gauges in a new dash for the roadster. Very nice set and very easy to setup. They come with plug in connectors from the gauges and senders. Its even possible to take the gauges out of their cans and use them without the bezels or cups. I had them make two of the gauges 90degree bottom sweep at very little additional cost. I didn't intend to rave on one company quite so much but they have been excellent to deal with. Chuck
Chuck, Thanks for the review on the Speedhut GPS Speedo. Don't worry about the "rave" It's good to hear you liked them so much. That's how the rest of us find out whats good or bad.
Since I want to keep my '55 Ranchwagon's dash stock in appearance I was looking at getting a 2 1/16" Speedhut GPS speedo to 'back up' the original and install it in a under dash gauge mount. With their customizing feature it looks pretty close to my SW oil and temp gauges... Not exact, but close.
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By MoonShadow - 11 Years Ago
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That would work. Amazing how much the customized gauge looks like the originals. I have a 56 dash cluster that I put SW gauges in but hadn't done anything with the speedo. I think, in the spring, I will get a Speedhut GPS unit to fit. I also like the simplified mount using a screw collar on the back to tighten the gauges in the panel. Chuck
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