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  • SN95 4.6L Mustang Tech

Whats the Big No-No with 4.10's and a SC

  • Thread starter Thread starter derek02gt
  • Start date Start date Dec 27, 2003
D

derek02gt

New Member
Dec 25, 2003
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Dec 27, 2003
#1
  • Dec 27, 2003
  • #1
all the adds ive read say go with 3.73s if your planning a power adder, can somebody please explain this..like whats the reason? and how do 4.10's perform with a Supercharger?
 

Milenko

Skid Mark Layer...only not fro
Founding Member
Nov 5, 2001
462
1
19
Boston, MA
Dec 27, 2003
#2
  • Dec 27, 2003
  • #2
From what I've heard, it's traction.

You won't be able to hook with 4.10s and a SC.

Maybe full suspension and some DR's will help, but if you don't do all that, I'd say get the 3.73's.
 

NightLife

Member
Sep 11, 2003
284
0
16
Tampa, FL
Dec 27, 2003
#3
  • Dec 27, 2003
  • #3
derek02gt said:
all the adds ive read say go with 3.73s if your planning a power adder, can somebody please explain this..like whats the reason? and how do 4.10's perform with a Supercharger?
Click to expand...

i had asked the same ? go look

http://forums.stangnet.com/showthread.php?t=393747
 

tewetzel

Founding Member
Aug 21, 2001
1,216
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Wichita, KS
Dec 29, 2003
#4
  • Dec 29, 2003
  • #4
Many people will run out 4th gear in the quarter mile when using 4.10 gears.
 

vipergts281

Mr. Metrosexual
Founding Member
Apr 17, 2002
2,503
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0
Probably driving somewhere.
Dec 29, 2003
#5
  • Dec 29, 2003
  • #5
Milenko said:
From what I've heard, it's traction.

You won't be able to hook with 4.10s and a SC.

Maybe full suspension and some DR's will help, but if you don't do all that, I'd say get the 3.73's.
Click to expand...
Yeah, I would say it is because of traction.

I wouldn't even consider getting 4:10's in my car. Traction sucks as it is. It's a good and a bad problem to have.
 

4.6MustangSteve

New Member
Jun 13, 2003
219
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0
Northern VA, USA
Dec 29, 2003
#6
  • Dec 29, 2003
  • #6
Most say traction. I've got 4.10s now and the rock N/A but I don't know how they will turn out when I go the S/C route. I'm definately going to keep them on and see how they turn out, but I'll probably end up replacing them with something else.
 

d98gt

Founding Member
Mar 14, 2002
4,505
59
204
SE Texas
Dec 29, 2003
#7
  • Dec 29, 2003
  • #7
It sucks to run out of gear
 

jadesville

the polarbear conservation corps protects a polarb
20+ Year Stangneter
Oct 8, 2003
2,189
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47
Gresham, OR
Dec 29, 2003
#8
  • Dec 29, 2003
  • #8
all i've heard is 3.73 or 4.10's, has any tried 3.90's with their s/c, or is that still a traction and running out of gear issue? or is that even worth it?
 

4.6MustangSteve

New Member
Jun 13, 2003
219
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Northern VA, USA
Dec 29, 2003
#9
  • Dec 29, 2003
  • #9
Hmm, I don't think you'd run out of gear with 3.90's. In 4th gear at 6,000 RPM with the 3.90's you'd be at around 117-118mph.
 

jadesville

the polarbear conservation corps protects a polarb
20+ Year Stangneter
Oct 8, 2003
2,189
0
47
Gresham, OR
Dec 29, 2003
#10
  • Dec 29, 2003
  • #10
4.6MustangSteve said:
Hmm, I don't think you'd run out of gear with 3.90's. In 4th gear at 6,000 RPM with the 3.90's you'd be at around 117-118mph.
Click to expand...

that doesnt seem bad at all, what about traction?
 

4.6MustangSteve

New Member
Jun 13, 2003
219
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0
Northern VA, USA
Dec 29, 2003
#11
  • Dec 29, 2003
  • #11
Well I'm sure with some sticky tires and a good suspension traction wouldn't be much of a problem.
 

jadesville

the polarbear conservation corps protects a polarb
20+ Year Stangneter
Oct 8, 2003
2,189
0
47
Gresham, OR
Dec 29, 2003
#12
  • Dec 29, 2003
  • #12
4.6MustangSteve said:
Well I'm sure with some sticky tires and a good suspension traction wouldn't be much of a problem.
Click to expand...

maybe ill just have to give it a shot once i get a new car

i guess i should try to find some more info on 3.90's
 

Kurgan

Founding Member
Jan 31, 2001
3,028
1
58
Palm Beach Gardens, FL
Dec 29, 2003
#13
  • Dec 29, 2003
  • #13
There's a cure for it.

It's called changing your rev limiter to 6500 RPM. A nice set of valve springs helps, too.
 
J

jimfitzgerald

New Member
Apr 11, 2001
6,672
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0
Dec 29, 2003
#14
  • Dec 29, 2003
  • #14
Kurgan said:
There's a cure for it.

It's called changing your rev limiter to 6500 RPM. A nice set of valve springs helps, too.
Click to expand...
Right. My rev limiter is set at 8000 rpm. I have 4.10's with a Novi 2000 and 28 inch slicks. I shift at 7000 rpm and trap at 130 mph in 3rd gear with a 4R70W.
 
I

inertia

New Member
Aug 24, 2003
113
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0
TEXAS
Dec 29, 2003
#15
  • Dec 29, 2003
  • #15
running out of gear, traction, and high RPMs. But thats what Slicks and raising the RPMs are for.
 
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