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Old 07-29-2010
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Join Date: Jul 2010
Location: Land of the Swangas
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Questions About Boosting an 03 3.0 V6 ?

I come from a Import background so my knowledge isn't so good on the Domestic market, but I have a few questions regarding boosting this truck, I'm not aiming for nothing high possible just 10-12psi daily and 15psi when I feel like playing. I plan to have everything installed and tuned by Secret Services Auto in Houston.

Whats the highest hp and torque will a automatic tranny hold?

How many psi will you be able to run safely on stock internals?

Will the stock fuel pump hold?
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Old 07-30-2010
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Join Date: Jan 2009
Location: The 253
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Stock internals? Eh... 10. I would have ten be your max and have a 5-7 psi be your normal. 3.slows are not very strong engines. I wouldn't trust the stock pump. Better to upgrade to overkill and know that your safe on that end. However, at only 10 psi I think it will work fine. I don't know about the tranny but I dont think you will make enough power to make that an issue unless you beat on it all the time.

A Ranger would be good for a remote mount system, there is plenty of room under the bed of the truck to have a turbo tucked up in there. Just remember, its not really the PSI that matters, its the CFM that the turbo will push out. So go big and waste gate it down.
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Old 07-30-2010
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Join Date: Jan 2008
Location: Orlando,FL
Posts: 147
As long as you have the shift pressure cranked up properly when you get it tuned.The trans. will take up to 425 Lbs of tq.So I think you should be fine there.

I agree with making 10 lbs. of boost your max.
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