4.6L power....GAIN - Ford Mustang Forum
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post #1 of 9 (permalink) Old 06-05-2010 Thread Starter
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TheKillerSN95's Avatar
Joined: May 2010
Location: Grovertown
Posts: 99
4.6L power....GAIN

ok well i have my 98 gt 5-speed and i would like to know if i need a tune.. cuz i put CAI, and full exhaust on her ( bbk equal lenght headers, bbk h-pipe no cats and SLP Loudmouth II backs) and a 3.73 rear end.. but after that it have more power just not really what i would think.. so i think a tuner for the stang would wake her up.. But i dont know the one to go with.. i really like sct tuner and every so i have $400 so what tuner would give me the best tune for around that price...

96 GT... port and polished non-pi heads, PI cams and Intake, 78mm BBK TB, AC Delete, CAI, MAC long tube headers, Pypes H-pipe no cats, "Very loud".. SLP LoudMouth I's, Steeda Clutch Kit, steeda underdrive, 5-sd, Hurst STS Kit, 93 SCT BAMA tune , 3.73 Rear end and lowered 2" front and 1" in back..:laughlitt
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post #2 of 9 (permalink) Old 06-05-2010
04GTYellowStang's Avatar
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sct by far. no question. and u get free tunes from american muscle so the more u mod the more you tune.

post #3 of 9 (permalink) Old 06-05-2010
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Joined: Oct 2009
Location: Cincinnati
Posts: 55
I agree sct tuners by far!!!!
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post #4 of 9 (permalink) Old 06-05-2010
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Location: Valdosta
Posts: 194
I would go SCT. It seems like more tuners use it so it's easier to get it tuned. I have a Diablo but the only reason I got it was because I got it dirt cheap brand new pretty much. But it will wake the car up no doubt.

Mods: JLT Performance Intake, Bassani mid-length headers and hi-flow cats, off-road x-pipe, Diablosport- tuned by Johnny Lightning Performance. 315.8/335.3
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post #5 of 9 (permalink) Old 06-05-2010
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Location: Thomasville
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SCT is by far the best..

2003 Sonic Blue Cobra Convertible with Fidanza aluminum flywheel, Spec stage 2 plus clutch, DND 26 spline input shaft, UPR upper n lower non adj control arms,Ford racing rear cover on the 8.8 that was swapped when the IRS was removed, Eibach pro kit, 3:73 FRPP rear gear, 2.8 blower pully, Mack full lengths n Mac flow chamber..
Production number 914
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post #6 of 9 (permalink) Old 06-06-2010
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first off you guys saying SCT is the best seem to be a bit undereducated. diablo and SCT do the EXACT SAME THINGS. i have owned both and they are practically identical.

therefore, buy whichever tuner your local dyno shop uses, even if you don't think you will go there. in the future you might want to get a custom dyno tune and will be kicking yourself if you bought a tuner that your guy doesn't use. or better yet, get a custom dyno tune. $400 should be enough, and you will see much better gains with a custom dyno tune than you will with the mail order tunes from AM. that and you'll actually know how much power you're making.

2002 Procharged GT
351rwhp, 353rwtq
12.503 @ 113.08

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post #7 of 9 (permalink) Old 06-06-2010
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Yep. Listen to mell0.
Get a either the Diablo Predator or the SCT. I have the Predator, because that is what the shop that tunes my car uses. I bought it for my first mods (CAI, Borla catback, 4.10 gears). My car is an auto and it woke up big time. Being able to change the shift firmness and the shift points made a big difference. Also fixed the speedo, which of course has to be fixed after a gear change. After that, it was used for the next mods (custom tune for Kenne Bell 2.1L 9# SC intercooled kit, MRT H pipe, went with 3.73 gears). I use it as a scanner (to read and clear trouble codes), I probably will have to use it if I go with 18" rims.
So go get a handheld tuner. You will use it...

2002 GT Zinc Yellow Premium Edition, Borla Stinger Catback, MRT Catted H, KB 2.1L 9#, Accufab 70mm TB, FRPP 3.73 gears, SCT custom tune, street/strip valve body, Mach 1 Grille Delete/Chin Spoiler/Brake Upgrade, Bullit suspension kit, Steeda UCA/LCA
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post #8 of 9 (permalink) Old 06-07-2010
YELLOW98GT's Avatar
Joined: Jun 2010
Location: brownsville
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did you get the 4:10 gears before the kb...and if you did how was the change at top end??

yeah my daddy paid for it but in the future i can say "me and my dad built her, he gave it to me when i was 17 in high school" and feel proud...but for now... ha!
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post #9 of 9 (permalink) Old 06-07-2010
meangrnmachine's Avatar
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Location: El Paso
Posts: 136
I bought a SCT tuner with a canned tune when I did my gears. All I noticed was the correction on the speedometer. There wasn't anything else noticeable that I could feel on the car on a 91 octane tune. Although my car does not have headers. I'm sure maybe there was a slight power increase (that a dyno tune could tell me) but I couldn't feel it enough to justify the cost of it. At least not for where I'm at with my car. Since installing the tune the thing has just sat there. By the time it will be relevant again, I could have paid for a dyno tune and gotten some stats and a custom setup. Just my 2 cents.

2000 Mustang GT

"If everything seems under control, you're just not going fast enough." Mario Andretti

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