deacon

Alright my t 5 in my 88 gtis going bad...my cousin has an 84 svo 4 cylinder turbo obviously...anyways it has a t5 also.....i've heard the ratio's are better in the svo's..has anyone tried this....are they compatible... get back to me on it</P>


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mdvaldosta

Yes you can put a 4cyl t5 in a 5.0 mustang. You will run into a few problems though. You will need a V8 bellhousing (from your old transmission) and either an adapter bearing / bushing for the input shaft or replace the input shaft with a V8 one becauseinput shaft on the 4cyl T-5's are .590", on the V8's they are .668.</P>


Also, the gear ratios are more aggressive, but 1st gear will be SOOO steep (4.3) that it won't be usable. Also the pre 1990 T-5 are really weak. I did some research for you and this is what I found:</P>


1984 SVO T5 Gear ratio's</P>


1st = 4.30</P>


2nd = 2.37</P>


3rd = 1.50</P>


4th = 1.00</P>


5th = 0.76</P>


Torque Rating = 300 ft lbs</P>


By comparison, a 1990+ T5 has a torque rating of 300 ft lbs (and we all know how weak they are at the track) with a 1st gear ratio of 3.35</P>


Also, the World Class t5 has a torque rating of 330 ft lbs and a 1st gear ration of 2.95</P>


The point I'm trying to make is that unless you have a 4cyl car and need to get going with low torque, don't use this tranny. You will have a horrible time driving around town and it won't live longbehind V8 torque.</P>

deacon

hmmm...yeah that is pretty high for first gear...thanks for the input...could i get some other opinions....</P>


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