White Rose build thread - Page 6 - Ford Mustang Forum
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Is the still timing stock or has it been advanced? If it hasn't been advanced any you can still use "regular" and there wouldn't be any benefit to running 93 really. If it's been "tuned" for 93 it more than likely won't detonate on 91 unless they advanced the pee out of it.


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He just did a pi head swap and that brought the compression to ~10.5:1 so he has to run 93 octane.

Honestly, you could probably get away with 91 octane on the stock tune.

My 12:1 compression runs just fine on 93.


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He just did a pi head swap and that brought the compression to ~10.5:1 so he has to run 93 octane.



Honestly, you could probably get away with 91 octane on the stock tune.



My 12:1 compression runs just fine on 93.


What's the stock compression for the '99-04 gt?


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What's the stock compression for the '99-04 gt?


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9.8:1 I think...maybe a tad less. 10.5:1 I would not running anything less than 91.

Matthew 26:52-54 / Go Pack Go!

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yea plus we dont have 91 around here it goes 87 89 93 since id have to run it the tune would be nice

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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we already filled her up with 93 before we tore her down so thats all taken care of tho i wish i had a tuner id be nice to run a 91 tune on top of this


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yea plus we dont have 91 around here it goes 87 89 93 since id have to run it the tune would be nice


Why would want a tune for 91 octane if there's no 91 in your area?



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because ive never seen a bama tune for 93

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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because ive never seen a bama tune for 93
I have 2 BAMA 93 Octane tunes for my 2014 GT.......give 'em a call!!
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White Rose build thread

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because ive never seen a bama tune for 93


Still confused why you'd want a 91 if there's no gas to use..
Either way, I think I'd rather have no tune than a mail order tune that's based on tunes they did for a "test car." I'd rather have the tuning based on my car.


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eh im just trying to get an increase in power plus I don't have enough mods for a dyno tune yet

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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White Rose build thread

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eh im just trying to get an increase in power plus I don't have enough mods for a dyno tune yet


Oh, you're saying that you wish that someone had a tune for 93 octane but you've only seen tunes for 91? I thought you were saying that you wished you could get a 91 octane tune. That's why I was confused. I was wondering why anyone would want to get their car tuned for a fuel that they don't have.
There's gotta be a canned 93 octane tune out there somewhere. But who knows how it'll react with your car? It could be better or it could be worse. If it's worse you'll probably end up buying another tune from someplace else, and by that time you would have spent "dyno tune money" or close to it.

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yoppers sorry I should have explained it better im probably gonna end up messing with my transmission next and do the j mod I might just take it all the way in terms of the jmod

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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My god shes amazing she spins through 1st and chirps second shes much more powerful off the line and she has better mid range acceleration and shes faster we replaced my tensioners and we found out that my driver side chain was very loose so this is most likely why I couldn't take that Malibu

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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You couldn't take the Malibu because your car was slow and the Malibu probably made more power. Ask me how I know! I went down the same path. I got my ass handed to me on the interstate one night by a 2005 Malibu V6. The next day, I ordered cams, gears, intake, custom tune, and bought everything for a 5 speed swap. That Malibu made me spend a decent chunk of money.

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Rebuild in the works. New crank, 2013 Boss rods, srp .020 over flat top pistons with valve reliefs, 12:1 compression, ported pi heads, comp xe278ah cams.
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we own a 2005 Malibu maxx ls v6 and it was faster but not by much I'm winning now tho glad to hear I'm not the only one with the Malibu problem tho maybe its just the 05s that are faster

1997 Mustang Gt auto - White Rose - Custom 2in exhaust with headers and flowmasters and an offroad stock 2.25 in h pipe and custom bent 2.25 catback 3.08 rear end MM caster camber plates installed Kyb gr2s installed Ford racing c springs with polys isos all around SR performance upper and lower poly control arms pi head swap gt500 followers sr cold air intake hand ported stock plenum raxiom smoked halo headlights
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We have a 2009 Malibu, 2.4L...it doesn't touch my mustang but it is a fun little car for being a 4 door boat.

I did however have problems with my brothers old 2013 Focus ST. He had a tune, exhaust, intake...it made 244/320 on the dyno and walk me EVERYTIME we raced.

On the other hand, on my nitrous, I would keep up with and slightly pull on my brothers current 2013 Coyote.


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1987 Mustang GT Hatchback - 2V Mod Swap In The Works

1997 Lincoln Town Car, PI Intake/Cams, Sofa-On-Wheels, "Fat Tony" we call it

2001 GT Convertible - D1SC / Geared / Cammed / 440wh 400wt - TOTALED 2/2019
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