5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

3.55's or 3.73

Thread Tools
 
Search this Thread
 
Old 01-17-2005, 06:25 AM
  #1  
Zachv1
Thread Starter
 
Zachv1's Avatar
 
Join Date: Oct 2003
Location: New Albany, IN
Posts: 45
Default 3.55's or 3.73

I drive a 94 GT with a manual trans., and I was wondering what the best rearend setup would be. I want to keep my top end speed, but i also want to get the best acceleration. Is there a big margin of difference between the 3.55's and the 3.73's in both of these areas? I was also wondering what kind of number changes each gear provided in accel. and top end.
Thanks,
Zach
Zachv1 is offline  
Old 01-17-2005, 07:51 AM
  #2  
Quik
6th Gear Member
 
Quik's Avatar
 
Join Date: Nov 2003
Location: Pittsburgh, PA
Posts: 5,182
Default RE: 3.55's or 3.73

for more topend racing go 355 now if you dont mind losing some mph on topend go 373. personally if i was building a car for mid to topend range i would use 355. with them you can stay in the gears longer and be in the power bands alot longer
Quik is offline  
Old 01-17-2005, 02:08 PM
  #3  
luckythirteen13
6th Gear Member
 
luckythirteen13's Avatar
 
Join Date: May 2004
Location: las vegas, nv
Posts: 9,092
Default RE: 3.55's or 3.73

get the 3.73's. 3.55's are a waste. i was in the same boat as you when i was picking gears so i made a graph. the rpm difference between 3.55's and 3.73's is never more then 300rpm. if you want to save 300 rpms then get the 3.55's (stupid idea) if 300 rpms dont mean anything (which they dont) then get the 3.73's
luckythirteen13 is offline  
Old 01-17-2005, 02:12 PM
  #4  
bobby
5th Gear Member
 
bobby's Avatar
 
Join Date: Oct 2003
Location: Mishawaka,Indiana
Posts: 3,742
Default RE: 3.55's or 3.73

3.73's ~!!!!!!!!!!!!!!!!!!!!!!!!! [sm=trust_me.gif]
bobby is offline  
Old 01-17-2005, 03:10 PM
  #5  
roundman
5th Gear Member
 
roundman's Avatar
 
Join Date: Mar 2004
Location:
Posts: 4,813
Default RE: 3.55's or 3.73

you can't have both a max top end speed and max acceleration at the same time since you give up something from one to improve the other. lower rear gears, (higher numerical gear ratios like 3.73 or 4.10) will greatly improve the acceleration but reduce the top end speed while higher rear gears (lower numerical ratios like 2.73 or 3.08) will give higher top end speed but much slower acceleration, so it's up to you what you want the most of, acceleration or top end, then pick a gear which give you the desired outcome. personally I think the 3.73 gears are the best compromise between acceleration and top end for a street driven Stang and they don't hurt the gas mileage all that much either. besides, who wants a big top end speed if it takes forever to get there! LOL
roundman is offline  
Old 01-17-2005, 03:15 PM
  #6  
bobby
5th Gear Member
 
bobby's Avatar
 
Join Date: Oct 2003
Location: Mishawaka,Indiana
Posts: 3,742
Default RE: 3.55's or 3.73

ORIGINAL: roundman

you can't have both a max top end speed and max acceleration at the same time since you give up something from one to improve the other. lower rear gears, (higher numerical gear ratios like 3.73 or 4.10) will greatly improve the acceleration but reduce the top end speed while higher rear gears (lower numerical ratios like 2.73 or 3.08) will give higher top end speed but much slower acceleration, so it's up to you what you want the most of, acceleration or top end, then pick a gear which give you the desired outcome. personally I think the 3.73 gears are the best compromise between acceleration and top end for a street driven Stang and they don't hurt the gas mileage all that much either. besides, who wants a big top end speed if it takes forever to get there! LOL
EXCACTLY!
bobby is offline  
Old 01-17-2005, 03:34 PM
  #7  
87mustang347
3rd Gear Member
 
87mustang347's Avatar
 
Join Date: Jun 2004
Location:
Posts: 661
Default RE: 3.55's or 3.73


ORIGINAL: bobby

3.73's ~!!!!!!!!!!!!!!!!!!!!!!!!! [sm=trust_me.gif]
bobby u got 3.73's?
87mustang347 is offline  
Old 01-17-2005, 04:15 PM
  #8  
nemethjames1
4th Gear Member
 
nemethjames1's Avatar
 
Join Date: Dec 2003
Location: United States
Posts: 1,665
Default RE: 3.55's or 3.73

i got 373's, ... 355's is just a waste of money IMO.... but i do regret not going to 410's now that i got these 373's
nemethjames1 is offline  
Old 01-17-2005, 04:53 PM
  #9  
2001_SaleenS281_08
5th Gear Member
 
2001_SaleenS281_08's Avatar
 
Join Date: Apr 2004
Location: Madison, WI
Posts: 2,063
Default RE: 3.55's or 3.73

I've had both, get 3.73's I have 3.55's back in right now because I may do a massive boost application, and I want to have a first gear.
2001_SaleenS281_08 is offline  
Old 01-17-2005, 05:01 PM
  #10  
bobby
5th Gear Member
 
bobby's Avatar
 
Join Date: Oct 2003
Location: Mishawaka,Indiana
Posts: 3,742
Default RE: 3.55's or 3.73

ORIGINAL: 87mustang347


ORIGINAL: bobby

3.73's ~!!!!!!!!!!!!!!!!!!!!!!!!! [sm=trust_me.gif]
bobby u got 3.73's?
yes i do, but not put in yet until i get my licesne, 3.73s are the bet all around you can go with, im sure you would love them, chack out my site for my mods ist if ya want below
bobby is offline  


Quick Reply: 3.55's or 3.73



All times are GMT -5. The time now is 07:42 AM.