This is topic what gears for my friend's setup? in forum Tech Talk at Northern California Ford Owners  .


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Posted by akoni (Member # 5119) on :
 
a buddy of mine just got a vortech s-trim put on his '97 GT. other than the usual bolt ons he also has a pi intake on there and was wondering what gears would be best for this app. keep in mine this is a d/d.
 
Posted by JohnB (Member # 969) on :
 
Auto or 5spd?

Auto...3.73's. 5spd? Honestly, I'd leave them alone. They are 3.27's. If he wants to up it a bit though, 3.55's.
 
Posted by akoni (Member # 5119) on :
 
5 speed. he's one of the unlikely ones with 2.73.
 
Posted by 04DropTopGT (Member # 5934) on :
 
still new to this form but....im about to get my gears put in on wed (cant wait) but i dont have a blower. i have heard that if its n/a go 4.10's (stick) or FI go with 3.73's. i would say since he has the blower and its a DD, go with 3.55's or 3.73's MAX. but thats just my .02 cents. good luck with your choice
 
Posted by 1FAST89GT (Member # 5071) on :
 
3.55 if its blown i got 4.10s no blower and they are great!
 
Posted by akoni (Member # 5119) on :
 
how would 3.73's be since its a modular motor?
 
Posted by Mach0ne351 (Member # 927) on :
 
3.73s. no question about it...
 
Posted by hidnn.o.s. (Member # 1219) on :
 
Beeing that he has 273's now, I would suggest 3.55's. That is a big step up, and he won't be hurting on the freeway for long trips.
 
Posted by Mach0ne351 (Member # 927) on :
 
but also being that it's an 97GT, and probably not with the PI heads, he'll need to get into his powerband a little quicker, so 373s would be perfect..

marek
 
Posted by BlacksheepMod50 (Member # 2378) on :
 
Not to detract from the convo, but why do people typically suggest 4.10s with N/A setups? Is this because N/A typically has less power than a blower/nitrous setup and so you can make it to the end of the track without winding out? I have 4.10s on my N/A setup and I am out of 4th gear and into 5th before i know it. I doubt if I went to the track, I'd be able to stay in 4th while trying to make it to the end.

[ August 12, 2005, 02:02 PM: Message edited by: BlacksheepMod50 ]
 
Posted by SmokinLX (Member # 1684) on :
 
quote:
Originally posted by BlacksheepMod50:
Not to detract from the convo, but why do people typically suggest 4.10s with N/A setups? Is this because N/A typically has less power than a blower/nitrous setup and so you can make it to the end of the track without winding out? I have 4.10s on my N/A setup and I am out of 4th gear and into 5th before i know it. I doubt if I went to the track, I'd be able to stay in 4th while trying to make it to the end.
4.10s will allow the motor to rev quicker allowing you to get out of the hole and into the higher rpms.
 
Posted by akoni (Member # 5119) on :
 
quote:
Originally posted by Mach0ne351:
but also being that it's an 97GT, and probably not with the PI heads, he'll need to get into his powerband a little quicker, so 373s would be perfect..

marek
yeah, he doesn't have pi heads. he always knew he was going with a blower so he didn't want to up the compression ratio.
 
Posted by underconstructionlx (Member # 5514) on :
 
[QUOTE]Originally posted by 1FAST89GT:
3.55 if its blown i got 4.10s no blower and they are great! [/QUOTEi

i agree [patriot] 4.10s are great [burnout]
 
Posted by Mach0ne351 (Member # 927) on :
 
but dont forget, that with 4.10s....traction might a problem from time to time....with 3.73s, you wont have that issue..

marek
 
Posted by h8louzn (Member # 1075) on :
 
3.55's or 3.73's with the blower will work fine.
No more gear than that.
 
Posted by akoni (Member # 5119) on :
 
one last thing, he just got a great offer for some pi heads and cams. however, since he has a blower should he just forget about it? or should he at least swap in the cams?
 
Posted by losbadgt (Member # 4394) on :
 
if the cams are blower cams i would say do the swap with the heads, but if they are not blower cams other than stock don't do the cams just heads, 3.73's would be a chose on gears since he has a solid rear end and he would still have good traction.
 




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