4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Just got 4.10's + SCT dyno tune...

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Old 07-14-2005, 05:22 PM
  #11  
blueangelfightr
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: justingt


ORIGINAL: Dave2000GT

I recently bought a bone-stock 2000 Mustang GT.

As a first mod, I got 4.10 gears put in (just today) and a dyno tune with the SCT X-cal II that I purchased. Other than that the car has no other mods.

My dyno tune was done with 89 octance gas, my RW hp/tq results are as follows

Before: 222.8 / 261.2

After: 230.2 / 268.8

Did I pull OK numbers for a 60K mile 4.6 ?

Also the shop offered for me to come in running a tank of 92 octance and they would do a free pull/tune with that, saying they'd expect about another 4-5 hp gain. I'm not sure about how my numbers right now are, but I'm really happy with the tune since I gained from 4-8 HP EVERYWHERE on the curve (no crossover at all), and my A/F ratio was also reduced meaning a gain in mileage.

I am also very happy with the gears, the car now drives like it SHOULD, revs on the highway are no problem, from 2100-2500 at typical highway speeds.
Correct me if I'm wrong but wouldn't hp be at least 265...or was it different in 2000?
Ford rated the Mustang GT at 260hp but thats at the flywheel and these numbers are at the the rear wheels. You lose 15% on a manual tranny and up to 20% on an auto tranny. Thats why the numbers are so low.
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Old 07-14-2005, 05:26 PM
  #12  
jdaniel
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: nanaki

i've seen stock GTs with just catback pull about 224RWHP. i don't think running on 92 octane would be worth the extra 5RWHP.

Its possible he MIGHT pick up 3 to 5 to the wheels. Through the SCT tune they probably advanced the timing and 89 octane isnt going to put out the greatest. Im almost positive he wont see anything over 5 though.
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Old 07-14-2005, 09:18 PM
  #13  
Dave2000GT
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: nanaki

i've seen stock GTs with just catback pull about 224RWHP. i don't think running on 92 octane would be worth the extra 5RWHP.
Well my stock GT without catback did 222 RWHP so that sounds about right.
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Old 07-14-2005, 09:22 PM
  #14  
Dave2000GT
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: jdaniel


ORIGINAL: nanaki

i've seen stock GTs with just catback pull about 224RWHP. i don't think running on 92 octane would be worth the extra 5RWHP.

Its possible he MIGHT pick up 3 to 5 to the wheels. Through the SCT tune they probably advanced the timing and 89 octane isnt going to put out the greatest. Im almost positive he wont see anything over 5 though.
Honestly I think 3-5 at the wheels should be really easy, advanced timing is a very underrated mod.

My old 1989 5.0 went from a 14.6 on 87 octance with 11* timing, to a 14.3 on 92 octance with 16* timing (5.0's allow alot more base advance than 4.6's). That indicates a pretty hefty gain in performance.
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Old 07-15-2005, 12:39 AM
  #15  
jdl01gt
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Default RE: Just got 4.10's + SCT dyno tune...

Was this on a dynojet or a Mustang Dyno because i have all of the mods in my sig and that is what i put to the wheels but it was on a Mustang Dynometer and i have a auto.
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Old 07-15-2005, 12:47 AM
  #16  
DuckyGt
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Default RE: Just got 4.10's + SCT dyno tune...

dyno's for auto really are bad. i put 230 rwhp down with my long tubes minus the tb and plenum a lil while ago.
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Old 07-15-2005, 09:07 AM
  #17  
nanaki
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Default RE: Just got 4.10's + SCT dyno tune...

ORIGINAL: jdaniel


ORIGINAL: nanaki

i've seen stock GTs with just catback pull about 224RWHP. i don't think running on 92 octane would be worth the extra 5RWHP.

Its possible he MIGHT pick up 3 to 5 to the wheels. Through the SCT tune they probably advanced the timing and 89 octane isnt going to put out the greatest. Im almost positive he wont see anything over 5 though.
i'm sure he will pick up 5. the guys at the shop told me it'd give me like 6RWHP at the most if they used a chip on my car when i got my gears installed. wasn't worth the extra change at the pump for a measily 5RWHP though.

i guarentee you he would have put down at LEAST 5RWHP more if they gave him another run on the dyno. before my blower, i went from 231RWHP on the first run to 239RWHP just from them letting it sit there for about 10 minutes.
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Old 07-15-2005, 04:22 PM
  #18  
Dave2000GT
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: jdl01gt

Was this on a dynojet or a Mustang Dyno because i have all of the mods in my sig and that is what i put to the wheels but it was on a Mustang Dynometer and i have a auto.
It was on a Mustang Dyno. At the shop they said typically Mustang dyno's will give slightly lower numbers than most other dynos, by how much I'm not sure, probably very little if I had to guess.
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Old 07-15-2005, 04:31 PM
  #19  
Dan04COBRA
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Default RE: Just got 4.10's + SCT dyno tune...

Quiote a bit actually. Mustang Dyno's suck.

It's a cheap dyno for a shop looking to save a buck.
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Old 07-15-2005, 05:18 PM
  #20  
JD1969
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Default RE: Just got 4.10's + SCT dyno tune...


ORIGINAL: Dan02GT

Quiote a bit actually. Mustang Dyno's suck.

It's a cheap dyno for a shop looking to save a buck.
Thats totaly not true, try tuning part throttle driving on a Dyno Jet... you can't, also on a Mustang you can make full 1/4 mile runs.
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