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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

3.90's or 3.73's Which one

  • Thread starter Thread starter pomag50
  • Start date Start date Jul 26, 2007
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94-302-vert

Active Member
Aug 16, 2004
1,947
2
36
NE CT
Jul 27, 2007
#21
  • Jul 27, 2007
  • #21
BTW, Tach is not effected, just speedo and odo...
 

pomag50

New Member
Jul 10, 2007
32
0
0
San Diego
Jul 27, 2007
#22
  • Jul 27, 2007
  • #22
why is the odo affected? because the spedo is not registering the correct speed?
 

5spd GT

"the 5.0 owns all"
Founding Member
Aug 7, 2002
9,516
6
99
Arkansas
Jul 28, 2007
#23
  • Jul 28, 2007
  • #23
I like the FMS gear brand, with your stock engine, the 3.73's would work great. I liked them 'stock' and h/c/i...

Gear Calculator:

http://www.allfordmustangs.com/Detailed/608.shtml

Reference with T5 transmission/stock tire size/16in. wheel, in 5th gear cruising rpm at 70mph (Interstate Speed):

2.73:1 - 1696 RPM
3.08:1 - 1914 RPM
3.27:1 - 2032 RPM
3.55:1 - 2206 RPM
3.73:1 - 2318 RPM
3.90:1 - 2423 RPM
4.10:1 - 2548 RPM
4.30:1 - 2672 RPM
4.56:1 - 2834 RPM

When my car was a daily driver, I would not have wanted any higher revs than what the 3.73's did for me...I hated the interstate, just keep up with traffic I was hitting 2,700 rpm...half of what my car can rev too
 

trav_19

New Member
Oct 29, 2006
810
0
0
Jackson, MI
Jul 28, 2007
#24
  • Jul 28, 2007
  • #24
i use 4.30's and i run nitrous and i want to go up to a 4.56 the car can definitlly handle more gear.... 3.73's are horribly small i am terrible dissapointed in them ...but my car had 3.27's stock so it was so little of a change i barley noticed it like a 3.73 compared to a 3.90
 

95&Modified

New Member
May 3, 2005
13
0
0
Jul 28, 2007
#25
  • Jul 28, 2007
  • #25
3.73's here, with t-lock of course.
 

5spd GT

"the 5.0 owns all"
Founding Member
Aug 7, 2002
9,516
6
99
Arkansas
Jul 29, 2007
#26
  • Jul 29, 2007
  • #26
trav_19 said:
i use 4.30's and i run nitrous and i want to go up to a 4.56 the car can definitlly handle more gear.... 3.73's are horribly small i am terrible dissapointed in them ...but my car had 3.27's stock so it was so little of a change i barley noticed it like a 3.73 compared to a 3.90
Click to expand...

Stock tranny?

What was is your tire height? and power output?
 

pomag50

New Member
Jul 10, 2007
32
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San Diego
Jul 29, 2007
#27
  • Jul 29, 2007
  • #27
hehe. Well right now i have nothing because she is wrecked. I am starting from scratch.
 

trav_19

New Member
Oct 29, 2006
810
0
0
Jackson, MI
Jul 29, 2007
#28
  • Jul 29, 2007
  • #28
my old tires were 255/40/18's and the new ones are right now 275/50/15 my hp i would have no clue but the trans has a shift kit other then that its stock....i absolutly love it from a dead stop i can hit the gas and spin my 18's thats a long cry from when i bought this pig i could barley break the wheels loose in dirt
 

rj95svt

Member
Jan 11, 2007
422
0
16
Hayden, AL
Jul 30, 2007
#29
  • Jul 30, 2007
  • #29
pomag50 said:
hehe. Well right now i have nothing because she is wrecked. I am starting from scratch.
Click to expand...

What happened?
 

pomag50

New Member
Jul 10, 2007
32
0
0
San Diego
Jul 30, 2007
#30
  • Jul 30, 2007
  • #30
i swerved to miss a dog when i was coming home from work friday night. Looking back i realize now "swerve for nothing" i should have hit the dog. I am parting it out now and getting another one.
 

rj95svt

Member
Jan 11, 2007
422
0
16
Hayden, AL
Jul 30, 2007
#31
  • Jul 30, 2007
  • #31
That sucks man. I learned that don't swerve thing after a friend swerved to miss a dog and totaled his car. Well atleast your alright. Good luck with your next purchase.
 
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