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2007 Mustang 4.0 V6 Modifications

1077 Views 6 Replies 3 Participants Last post by  goguenm
We bought a month ago an automatic 2007 V6 and plan on building it up. :)
Now neither my bf or I know too much about cars but I have learned a bit just from cruising the forum the past couple of days.
Next year we are going to be adding either a supercharger or turbo, and I want to know which is better for our car as far as performance and the motor life. I've read the pros and cons of both but want to know what would be better for an auto 2007 V6.
Also, what should we do to make the rear strong enough to handle the increased power? I've read something about gears and also read something about slapping on a GT rear.
I've been told to upgrade the suspension also?
We're looking at bolt on stuff initially like headers next month and the bad boy next year (turbo/supercharger) and once we add either or those two we want to add a throttle body.
Other than those few mods we really don't know what else to do. And it's all about the fact that we have an auto V6. Not sure if that limits us in any way either.

Anyone that has input please feel free to explain. lol
Any input would be great.
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Wow. Sounds like you're looking to rebuild the whole car. To be honest, you would probably be better of starting with a GT, it might save you money and time. But, we all gotta work with what we have.

If a turbo or supercharger are in your future, your best bet is to do nothing with the motor right now. Any money you spend will probably be wasted when you add forced induction.

Blower vs. turbo is always a bone of contention with car people. A lot of it depends on what you're going to use the car for. If long road trips and altitude changes are the plan, use a turbo. If local driving and quarter miles runs are planned a supercharger is probably best.

The rear is easy. Buy a take off GT rear and bolt it in. Cheapest upgrade with quality Ford factory parts. That will cost you <$1,000 and about a days work for a novice. You won't be making insane amounts of power, so it should last pretty much forever.

I wouldn't change the gears from stock just yet. Drive the car with the blower, then decide. You may like it just the way it is.

Upgrading the suspension is also pretty easy. Again, get take off GT parts for sway bars. Lowering springs and shocks are personal preferance.

Brake upgrades would also be a good idea. As before, GT take offs are cheap, reliable, and work very well for non-road course work.

I would also recommend an additional oil cooler for the tranmission. More power will create more heat. Heat kills an auto pretty fast.
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"Wow. Sounds like you're looking to rebuild the whole car. To be honest, you would probably be better of starting with a GT, it might save you money and time. But, we all gotta work with what we have."

Haha...well that's just what I've been gathering from other posts from various sites. That if you add a Supercharger you have to basically rebuild the rear to handle the new power.

We were thinking about buying a GT but for the same price we can mod our V6 and give it just as much or more horses as a GT, with lower insurance and a better hp to weight ratio.

My bf had a 97 Dodge Neon and it was modded but it quit on him and that was the reason for buying the Mustang. So we are used to having a comomon car but different. Around here there are tons of neons driving around but none looked like his. We want our Mustang to be of the same effect...be more than just a stock V6.
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"Wow. Sounds like you're looking to rebuild the whole car. To be honest, you would probably be better of starting with a GT, it might save you money and time. But, we all gotta work with what we have."

Haha...well that's just what I've been gathering from other posts from various sites. That if you add a Supercharger you have to basically rebuild the rear to handle the new power.

We were thinking about buying a GT but for the same price we can mod our V6 and give it just as much or more horses as a GT, with lower insurance and a better hp to weight ratio.

My bf had a 97 Dodge Neon and it was modded but it quit on him and that was the reason for buying the Mustang. So we are used to having a comomon car but different. Around here there are tons of neons driving around but none looked like his. We want our Mustang to be of the same effect...be more than just a stock V6.
Modifications you would need to make the car handle 8 psi supercharger would be subframe connectors, Detroit Tru-trac T-lok, and T/A rear end girdle at a minimum; which would run around $850 with install. It would be wise to invest in lowering springs, strut tower brace, and a exhaust system as well (around $700 all together). Just to be able to handle the supercharger there isn't that much prep work needed, but a good SC kit that includes fuel pump, injectors, spark plugs, and tuning software will cost every bit of 4 grand and then there is install.
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Thanks you so much for your input...I know there is so much you can do and should do to your car when modifying it but I don't know what.

We know that a supercharger with all of the components alone will run us about 4 grand but it's good to know that the car will require a lot more than just that so we don't just go and add that and then the car blow up a week later.

We won't be buying a supercharger until next year sometime so I plan on gathering as much info as possible between now and then so that we will know what we are getting ourselves into.
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Thanks you so much for your input...I know there is so much you can do and should do to your car when modifying it but I don't know what.

We know that a supercharger with all of the components alone will run us about 4 grand but it's good to know that the car will require a lot more than just that so we don't just go and add that and then the car blow up a week later.

We won't be buying a supercharger until next year sometime so I plan on gathering as much info as possible between now and then so that we will know what we are getting ourselves into.
Well $1500 isn't a whole lot more money to put into it. They build those SC units to be completely compatible with the engine, the only issues that need to be addressed past that is frame strength and the rear end. Doing a build slowly is definetely the way to go.
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Well $1500 isn't a whole lot more money to put into it. They build those SC units to be completely compatible with the engine, the only issues that need to be addressed past that is frame strength and the rear end. Doing a build slowly is definetely the way to go.

Yeah your right...and it's not the money we are initially worried about. It will be in the end though because we don't plan on doing any of this ourselves. We live in an apartment in town so we don't have anywhere to do the mods plus we don't know enough about cars to attempt anything like this. So the labour might be a fair bit buy that's why we are saving our money until next year.:scratchchin
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