T-5 Tranny conversions? - Page 4 - Alfa Romeo Bulletin Board & Forums
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post #46 of 136 (permalink) Old 04-21-2010, 04:55 AM
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Any more news? I’ve been watching with interest. Will a T5 from a 92 Firebird V6 work? Different input shaft? It’s just that there is one down the street. Ford clutch disc? Any problem with using an Afla clutch? I just put in a new one last fall, maybe has 50 miles on it. Maybe I missed it, but single drive shaft? I take it, that it would need to be fabricated…from what?

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post #47 of 136 (permalink) Old 04-21-2010, 06:44 AM
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i would check the 1 st gear ratois on that box.. could be way to low.

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post #48 of 136 (permalink) Old 04-21-2010, 06:53 AM
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i think the camaro/firebird t-5's used on v-8's used a different trans to bellhousing bolt pattern than the generic t-5's used on mustangs, s-10's, nissan 280z's, etc. not sure on the v-6 cars. you would really need to check that

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post #49 of 136 (permalink) Old 04-21-2010, 07:18 AM
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cygnus x1( black hole ) e mail me a few hours from now. i will be at work, i have the tranny codes.. also all t5 boxes use the same 4 hole mounting to the gearbox..

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post #50 of 136 (permalink) Old 04-21-2010, 08:44 AM
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camaro t-5

the camaro/ firebird t-5 is different. uses the old muncie bolt pattern but was inclined about 15 degrees. i tried to import a photo but could not . the mounting ears are much wider and very different from mustang style. there is one on ebay for a late 80's early 90's v8. easy to see different pattern

87 graduate, 81 gtv6, 91 164s, 73 berlina 79 Mille miglia GONE: 76 alfetta gt, 74 berlina, 85 gtv6, 79 spider
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post #51 of 136 (permalink) Old 04-21-2010, 08:48 AM
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a mustang v6 wc boxes are easy to get.. look for one of those..94 and newer..and they are easyer to use.. ford 8.5 friction disk, well work with the alfa set up.

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post #52 of 136 (permalink) Old 04-21-2010, 09:28 AM
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a 1992 f body 4/6 cly can have a 1 st gear as low as 4.03... that's not good

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post #53 of 136 (permalink) Old 04-21-2010, 10:30 AM
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moral of the story is use something like the mustang box you suggested, good ratios and fitment, plus the fact they probably outnumber the f-body boxes 5 or 10 to 1

87 graduate, 81 gtv6, 91 164s, 73 berlina 79 Mille miglia GONE: 76 alfetta gt, 74 berlina, 85 gtv6, 79 spider
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post #54 of 136 (permalink) Old 04-21-2010, 11:16 AM
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just at pick and pull antelope ca.. i found 3 mid 90's mustangs in the lot.. with the trannys sitll in the cars.i z28 with the tranny still in the car.. the mustangs 6 cly 3.35 1 st gear and the z28 2.95 1 st gear.

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post #55 of 136 (permalink) Old 04-21-2010, 02:36 PM
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this has me interested in picking up a t-5. i just returned from my local pic-a-part and found a couple of mid-90's v6 mustangs w/ t-5's. also checked on f-bodies. 89 z28 had the different muncie style t-5 mounting but the 98 firebird was the same as the mustang. ratios still not optimum like bianchi says. also the nissan 300zx used the t-5

87 graduate, 81 gtv6, 91 164s, 73 berlina 79 Mille miglia GONE: 76 alfetta gt, 74 berlina, 85 gtv6, 79 spider
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post #56 of 136 (permalink) Old 04-21-2010, 04:57 PM
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box no. 238 1= 3.35 2= 1.99 3= 1.32 4= 1.00 5= .72 98 v6 mustang . 248 1= 2.95 2=1.94 3=1.34 4= .00 5= .8 mustang v8 1999 box no.. 249 same as box no.248 but 5= .63

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post #57 of 136 (permalink) Old 04-28-2010, 06:00 PM
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alfa vulcan.. the nissan box is not w/c... world class.. check wikky on t5 transmissions... this will help you understand

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post #58 of 136 (permalink) Old 04-28-2010, 06:35 PM
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yea i know. mostly just later mustangs and camaro's . the camaro used a 1 1/8" input shaft vs the 1 1/16" on the ford

87 graduate, 81 gtv6, 91 164s, 73 berlina 79 Mille miglia GONE: 76 alfetta gt, 74 berlina, 85 gtv6, 79 spider
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post #59 of 136 (permalink) Old 04-29-2010, 01:14 PM
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Cool

..wow!..i just got a alum. driveshaft for my conversion...even thuo it's to long..it still weighs less than just the front peice of the alfa driveshaft..

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post #60 of 136 (permalink) Old 05-19-2010, 03:38 AM
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Very, Very, Very Interesting!!!!

I am very interested in this type of conversion thus making a weakness in an original Alfa stronger. Any kits coming out of this info/thread??

The T5 Ford transmission has been used in conversions involving Lotus Elans, etc. Even an Alfa engine has been transmitted into an Elan, and I believe using a Ford T5. I will have to see where I got this info and do further research. I like the idea of one drive shaft with two universals. Any questions I have should come out answered as the thread develops. These questions involve areas that are being developed and addressed such as Alfa clutch use, bellhousing,adapter plate, shaft length and size, rear mount, etc.

There was a thread from a retired GM Senior Engineer who put a early Ford 302 and I believe a T5 transmission along with a solid drive line (two universals).

I like the project because it will give one a platform with dependability for long trips, etc. OR, should do this.

Keep developing and keep the thread going. Can be very meaningful for future Alfisti's who want to keep their cars running for the next 40 years.

Steve Hurt
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