2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Anybody with 4.30 or 4.56 gears?

Old 08-26-2007, 01:00 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

Yeah i have 4.56 Gears

In my lifted F-150 4x4 running 35" Tires and there to much gear on the freeway. I cannot even imagine them in the Mustang. Especially if you drive on the freeway at a average speed of 80-85MPH

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Old 08-26-2007, 01:52 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

meh i am debating 4.30's. i dont mind shifting a lot. what i want/need is to push the pedal even a little bit and have the car pull forward hard. you know?
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Old 08-26-2007, 03:02 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

I "sorta" had 4.30s (4.10s + a 40 series DR in place of the factory 55 series tire comes pretty close if not dead on to 4.30)...80mph in fifth was 2750rpms, not too bad, and I had enough left over infourth gear by my estimation for a 75 shot, although I guess anything more or s/c or turbo would be out...

p.s. ohnoesaz, that was friggin hilarious...almost makes up for the whole red loctite thing LOL!
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Old 08-26-2007, 04:53 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

ORIGINAL: ohnoesaz

ORIGINAL: AmericanMuscle4.6GT

someone on here with a yellow stang just got 4.56's. haven't heard from him since he decided to make the switch. i can imagine it's, interesting experience.
That about answers it for me.....

I am said guy. I had 4.30s for over two years of daily driving.
-80mph in 5th gear is approximately 3100rpm
-23mpg on the highway at 65mph in CC
-12mpg city driving normal
-cross 1/4 traps exactly at 6000rpm in 4th gear
-4th becomes a monstrous gear, and goes until about 120mph
-5th theoretically goes to about 180mph at about 6500rpm

I now have 4.56 gears. I can't give you nearly as much detail on them, because they were just installed, and I no longer drive it daily. I can tell you that it is completely streetable, and I expect 200miles per 14.5gallon tank fillup with normal driving.
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Old 08-26-2007, 04:57 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

1st = 35mph
2nd = 62mph. My 0-60 is about 4seconds flat w/only one shift.
3rd = 95mph as well. These are with a raised rev-limit.

I plan to run a 75shot at the track with 4.56 gears, but will get cammed before doing that.

4.30s are the best modification for the dollar for the manual tranny.
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Old 08-27-2007, 04:41 AM
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Default RE: Anybody with 4.30 or 4.56 gears?

Sleeper05, thanks for the specifics about your daily driving with the 4.30s, it is very helpful. I am looking into a six-speed and might put together a sort of 'hybrid' transmission but am still thinking about which transmission gears to use with the 4.30/4.56 differential.

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Old 08-27-2007, 09:12 PM
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Default RE: Anybody with 4.30 or 4.56 gears?

I have 4.30 gears, longtube headers (no cats), comp cams; this setup is awesome. The acceleration is quick and intimidating...Joe
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