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Old 04-12-2009, 02:58 PM   #1
Tarball
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From 4.10 to 4.30. Worth it?

Is it worth the cost to move from a 4.10 to 4.30 gear, or should I leave it as is?
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Black '03 5spd IUP
K&N intake, PHP spacer, 90MM MAF, Accufab TB, Nazty Intake Manifold, BBK Catted X-pipe, Stinger cat-back, FRPP 4.10, CobraR pulleys, MARCH crank/WP pulleys, 10th Anni Cobra rims, SCT
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Old 04-12-2009, 04:58 PM   #2
GroverDill
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Re: From 4.10 to 4.30. Worth it?

I would say no.
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Old 04-12-2009, 05:05 PM   #3
G
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Re: From 4.10 to 4.30. Worth it?

I wouldn't pay anything or expend any energy for such a small change.
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2003 Mach1 AB 5spd
2004 Mach1 TR 5spd (sold)
1933 Ford 3W Coupe (4.6 dohc Stack Injection)
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Last edited by G; 04-12-2009 at 10:09 PM. Reason: I typed something stupid my first try
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Old 04-12-2009, 05:15 PM   #4
dmac6996
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Re: From 4.10 to 4.30. Worth it?

4.56 Ftw
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Old 04-12-2009, 06:12 PM   #5
Charles236
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Re: From 4.10 to 4.30. Worth it?

I allowed a friend to talk me into putting 4.10s in my Mach instead of the 4.30s that I wanted. Eactly one week later, I tore it back apart and installed a set of 4.30s. It was a noticeable improvement, and since I do my own gear installs I was only out the cost of the 4.10s, which I gave to my brother for his Cobra.
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Old 04-12-2009, 06:25 PM   #6
Tarball
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Re: From 4.10 to 4.30. Worth it?

Quote:
Originally Posted by dmac6996 View Post
4.56 Ftw

How would a 4.56 do on the high way? I do a lot of that.
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Black '03 5spd IUP
K&N intake, PHP spacer, 90MM MAF, Accufab TB, Nazty Intake Manifold, BBK Catted X-pipe, Stinger cat-back, FRPP 4.10, CobraR pulleys, MARCH crank/WP pulleys, 10th Anni Cobra rims, SCT
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Old 04-12-2009, 09:25 PM   #7
1BADMACH1
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Re: From 4.10 to 4.30. Worth it?

Quote:
How would a 4.56 do on the high way? I do a lot of that.
2800 rpm's @ 80mph for me
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'04 Comp Orange
5 spd W/IUP
VIN-- 1FAFP42R04F199665
Build date 3/4/04
Purchased 4/24/04
Mods:
Mrt lowering springs
Mrt shifter
Mrt off-road H-pipe+MRT Max thunder catback
MM Lower control arms
Ford Racing Upper control arms
FM 4.56 gear 31 spline moser axles+ ETN TrueTrac axle tubes welded and powdercoated Moser girdle
SCT tune with xcalibrator
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