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How much boost can a stock 03 mustang GT take safely?

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Old 07-22-2008, 06:09 PM   #41
crewwolfy
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Default RE: How much boost can a stock 03 mustang GT take safely?

I hear ya, man. I actually had an 05 GT for a while, but the payments caught up with me. Despite being surrounded by cars with high numbers, the New Edge is still a great sports car, especially one charged. Pretty sure that Honda doesn't have 300lb of torque, and anything out of Chrysler weighs nearly half a ton more than the mustang. You get a lot outta this car.

Of course, you can always get more, hence the supercharging. Just keep in mind that countless people have walked the path ahead of us, have experienced first hand the downside of being unprepared or too aggressive (or too timid), and are willing to advise us.

Personally, I plan to overhaul the suspension and brakes first. Exhaust comes after that, and finally a Mongoose kit with a SQ Vortech. Then again, I plan to hit the twisties more than race anyone. Well, that's not completely true, but most of the people trying to cut in front of me are soccer moms in their Voyagers and Rav4s.

But to get back on topic, ain't nothin' wrong with 10psi. Just be sure you replace the weak links (forged interals), and IC that puppy. But there's no reason not to start out at 8 and enjoy forced induction until you can cover the extra needed bits.
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Old 07-22-2008, 07:32 PM   #42
Dragonus18
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Default RE: How much boost can a stock 03 mustang GT take safely?

Quote:
ORIGINAL: crewwolfy

I hear ya, man. I actually had an 05 GT for a while, but the payments caught up with me. Despite being surrounded by cars with high numbers, the New Edge is still a great sports car, especially one charged. Pretty sure that Honda doesn't have 300lb of torque, and anything out of Chrysler weighs nearly half a ton more than the mustang. You get a lot outta this car.

Of course, you can always get more, hence the supercharging. Just keep in mind that countless people have walked the path ahead of us, have experienced first hand the downside of being unprepared or too aggressive (or too timid), and are willing to advise us.

Personally, I plan to overhaul the suspension and brakes first. Exhaust comes after that, and finally a Mongoose kit with a SQ Vortech. Then again, I plan to hit the twisties more than race anyone. Well, that's not completely true, but most of the people trying to cut in front of me are soccer moms in their Voyagers and Rav4s.

But to get back on topic, ain't nothin' wrong with 10psi. Just be sure you replace the weak links (forged interals), and IC that puppy. But there's no reason not to start out at 8 and enjoy forced induction until you can cover the extra needed bits.
Thanks a lot Wolf. You've helped me come to a decision that is a smart one. The supercharger I plan on getting is a procharger which already comes intercooled. I glad you knocked some sense into me, I REALLY am.

On a side note I'd like to thank everyone who posted in reply to my post. You guys have been really awesome and provided me with some really good advice. My sincerest thanks to all who posted.
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Old 07-22-2008, 07:33 PM   #43
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Default RE: How much boost can a stock 03 mustang GT take safely?

They may take you off the line but in the long run our cars hit 140mph stock and plus you got to factor in the weight of each vehicle which makes a difference.
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Old 07-22-2008, 08:04 PM   #44
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Default RE: How much boost can a stock 03 mustang GT take safely?

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ORIGINAL: Nolimits31

They may take you off the line but in the long run our cars hit 140mph stock and plus you got to factor in the weight of each vehicle which makes a difference.
How much do the new V6 accords weigh? Do you know?
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Mods: Forged aluminum block
Procharger P-1SC stage 2 unit/ intercooled
BBK Longtube ceramic coated headers
BBK off road X-pipe
Borla cat-back exhaust
BBK 78mm throttle body/ plenum
MMR 1-5/8 full length subframe connectors
Dual Aeroforce Interceptor scan gauges
Drag suspension/ Nitto 555R's/ rear seat delete
Anderson power pipe
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Old 07-22-2008, 08:50 PM   #45
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Default RE: How much boost can a stock 03 mustang GT take safely?

idk personally im not a fan of honda so... but maybe you can look it up through google or something
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Old 07-22-2008, 08:58 PM   #46
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Default RE: How much boost can a stock 03 mustang GT take safely?

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ORIGINAL: Nolimits31

idk personally im not a fan of honda so... but maybe you can look it up through google or something
Ok. Will do.
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Procharger P-1SC stage 2 unit/ intercooled
BBK Longtube ceramic coated headers
BBK off road X-pipe
Borla cat-back exhaust
BBK 78mm throttle body/ plenum
MMR 1-5/8 full length subframe connectors
Dual Aeroforce Interceptor scan gauges
Drag suspension/ Nitto 555R's/ rear seat delete
Anderson power pipe
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Old 11-13-2012, 06:34 PM   #47
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Default how much boost and a mustang take

i have a 2005 gt supercharged 4.6l
running at 9psi making 510hp at the wheels
it has 110000ks on it
it has never caused me any probloms and it is my daily driver
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Old 11-14-2012, 09:57 AM   #48
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Originally Posted by Dusty Korek View Post
i have a 2005 gt supercharged 4.6l
running at 9psi making 510hp at the wheels
it has 110000ks on it
it has never caused me any probloms and it is my daily driver
well #1 this is the 99-04 section. #2 your 2005 has about 40-45 more hp out of the factory than a 2003 coming out at around 260 at the crank. so thats why
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Old 11-14-2012, 12:26 PM   #49
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And #3 this thread is from 2008
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Old 11-14-2012, 12:38 PM   #50
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how do people find threads so old and always post in them?
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Old 11-14-2012, 01:22 PM   #51
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Originally Posted by MCxQubed View Post
how do people find threads so old and always post in them?
no clue, but yeah being 4 years old it makes me wonder.. haha
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Old 11-14-2012, 01:22 PM
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