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4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

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Old 01-22-2012, 07:02 PM   #1
Crispy2000Gt
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Default Ok, gears or SCT tuner???

It's down to the wire and im going to chose one or the other, sct tuner from AM or 3.73 gears, not 4.10s since my daily drive is FOREVER haha. I'm leaning towards the tuner but what would y'all do first? Hell if I waited a few more weeks I could buy the combo from AM
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Old 01-22-2012, 07:11 PM   #2
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Wait a few weeks and get the combo.

If you're auto I say tuner, manual get the gears.
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Old 01-22-2012, 07:45 PM   #3
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im manual...
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Old 01-22-2012, 07:51 PM   #4
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tune first. if you get the gears first without the tune it's just going to throw your speedo off, and in turn will rack up more miles on the odo than what it's really getting. if they have a decent sized discount when getting the combo, then wait and do that. if it's not worth it then get the tuner first.
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'03 cobra- 2.8 KB mammoth, 19lbs, bolt ons, rxt clutch, sra w/ 3.73's

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Old setup - Ported eaton, 16lbs, minor bolt ons, sra, self tuned.

501/501 - 11.23@124
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Old 01-22-2012, 08:33 PM   #5
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Quote:
Originally Posted by ctgreddy View Post
tune first. if you get the gears first without the tune it's just going to throw your speedo off, and in turn will rack up more miles on the odo than what it's really getting. if they have a decent sized discount when getting the combo, then wait and do that. if it's not worth it then get the tuner first.
that makes alot of sence , iv never thought about that
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Old 01-22-2012, 09:25 PM   #6
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just as greddy said u need the tuner to calibrate the odometer so get the tuner first but the combo will probably save u the money, your gonna need to get your install kit and gear oil as well
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Old 01-22-2012, 09:41 PM   #7
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Save and get the combo.
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Old 01-23-2012, 03:18 AM   #8
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Does anybody have solid evidence that the Tuner will actually add Hp and or increase gas mileage? Im just curious, Im about to do same as op but I have an auto.

Also would 373 gears decrease gas mileage?

sorry for the threadjack, just thought my question was relevant
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Old 01-23-2012, 07:11 AM   #9
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Quote:
Originally Posted by supermario View Post
Does anybody have solid evidence that the Tuner will actually add Hp and or increase gas mileage? Im just curious, Im about to do same as op but I have an auto.

Also would 373 gears decrease gas mileage?

sorry for the threadjack, just thought my question was relevant
Thankyou
I dont have solid evidence other than you can really feel it. especially with an auto you can set it to shift a tad higher and firmer. 3.73's will only decrease mileage a little bit, it will prolly help your city mpg due to making the engine have to work less, but will decrease the highway mpg a couple. however with an auto you wont be satisfied with 3.73's, i wasn't and had to switch over to 4.10's.

also, for auto cars stick with either sct or diablo, I had a sniper special forces tuner and it does not work with our trannies, not sure why but you set it to shift at a certain rpm and it wont. i found this out the hard way.
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'03 cobra- 2.8 KB mammoth, 19lbs, bolt ons, rxt clutch, sra w/ 3.73's

654/546 whp/tq

Old setup - Ported eaton, 16lbs, minor bolt ons, sra, self tuned.

501/501 - 11.23@124

Last edited by ctgreddy; 01-23-2012 at 07:13 AM.
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Old 01-24-2012, 04:16 PM   #10
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Quote:
Originally Posted by supermario View Post
Does anybody have solid evidence that the Tuner will actually add Hp and or increase gas mileage? Im just curious, Im about to do same as op but I have an auto.

Also would 373 gears decrease gas mileage?

sorry for the threadjack, just thought my question was relevant
Thankyou

I should specify my response. I dont think the tuner really adds a ton of power. It's nice to be able to recalibrate for gears ect. But if you can't afford the combo I said gears for a manual since I think you'd gain more from that and said tuner for an auto because the way my tranny works after getting the tuner is night and day. It shifts awesome now with the tuner. I guess it depends on what gears you have. Luckily machs came with 3.55's so it's not too bad at the moment.
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Old 01-24-2012, 04:16 PM
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2002, 373, 410, automatic, buy, calibrate, gears, gt, improve, manual, mustanf, mustang, sct, speedometer, tuner

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