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  • 1965 - 1973 Classic Mustangs -General/Talk-

where to buy rear end gears

  • Thread starter Thread starter shoguun
  • Start date Start date Oct 19, 2009

shoguun

New Member
Jul 28, 2009
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Oct 19, 2009
#1
  • Oct 19, 2009
  • #1
I was just wondering if anyone knew of a good place or website that sold 8 inch gears? I need to upgrade from the 2.80 gears i have cause i read if you go manual transmission you have to have at least 3.50 gears.
 

6Stang7

New Member
Jun 1, 2003
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Livermore, CA
Oct 19, 2009
#2
  • Oct 19, 2009
  • #2
You don't have to have 3.50 with a manual. I got my 4.11's from summit and haven't had an issue with them.
 
R

rebel65

Member
Feb 1, 2004
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SF Bay Area
Oct 19, 2009
#3
  • Oct 19, 2009
  • #3
he said at least.

you don't NEED them, although unless you have an incredibly torquey engine you will lug in 5th(i really mean overdrive) with 2.80s. then 3.50's will really help you out. some like 4.11's tho i hear ; ).
and i second summitracing
 

brianj5600

Active Member
Sep 19, 2003
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39
Middle TN
Oct 19, 2009
#4
  • Oct 19, 2009
  • #4
My 8.8 is out of a 95 GT. The car it came out of had a T-5 with 2.73 gears. The only manuals I have heard need a lot of gear is the close ratio top loaders due to high first gear.
 
R

rebel65

Member
Feb 1, 2004
363
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17
SF Bay Area
Oct 19, 2009
#5
  • Oct 19, 2009
  • #5
i lug in 5th with 2.80s
 

rbohm

Founding Member
Apr 12, 2002
6,698
550
204
tucson,az
Oct 19, 2009
#6
  • Oct 19, 2009
  • #6
summit racing and currie enterprises both have stuff for the 8" rear end.
 

brianj5600

Active Member
Sep 19, 2003
1,964
2
39
Middle TN
Oct 19, 2009
#7
  • Oct 19, 2009
  • #7
rebel65 said:
i lug in 5th with 2.80s
Click to expand...

Then your 392 must make less torque down low than a stock 5.0. It is probably the tune.
 

65ShelbyClone

Founding Member
Sep 9, 2000
4,675
38
119
Antelope Valley, SoCal
Oct 19, 2009
#8
  • Oct 19, 2009
  • #8
Are we talking about a car with or without overdrive?

Any big parts house should have or be able to get a full selection of Ford 8" ring & pinion sets.

shoguun said:
I need to upgrade from the 2.80 gears i have cause i read if you go manual transmission you have to have at least 3.50 gears.
Click to expand...

Who said that? All the 5-speed 5.0 GTs came with leggy diff gears. I don't about all the years, but the '87-93 5-speed cars were optioned only with 2.73s or 3.08s. I had 3.00s in my '68 when I put the 4-speed in and they would have worked fine with a stock engine. They were certainly better on the highway than my current 3.50s(~3000rpm @ 65mph).
 
D

D.Hearne

New Member
Sep 29, 2000
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south louisiana
Oct 19, 2009
#9
  • Oct 19, 2009
  • #9
I had 2.50's in my 67 FB with the 427. GREAT freeway cruisin with em. 1/4 mile was in the low 13 sec. range. Transmission was a wide ratio small block Toploader.
 
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