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  #1  
Old 11-23-2011, 06:18 PM
FX4 MADNESS.
 
Join Date: Jan 2011
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Default 4.0 SOHC engine performance upgrades?

Here are my limitations: No turbo or supercharger. Planning to get a exhaust system. What you guys got?
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Sno-Way snow plow mount | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #2  
Old 11-23-2011, 06:20 PM
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Default Re: 4.0 SOHC engine performance upgrades?

Mine is stock except for the CAI and screamin demon coil pack
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  #3  
Old 11-23-2011, 06:48 PM
FX4 MADNESS.
 
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Default Re: 4.0 SOHC engine performance upgrades?

Did any of that improve your hp or torque?
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2002 ford ranger FX4 Off Road | 4.0l v6 | Flowmaster 40 S/I D/O | JBA Headers | Sno-Way snow plow mount | K&n Drop-in filter | TwinStick | 31 Spline 4.10 Torsen rear diff | Alcoa rims | Sitting on 31's|
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  #4  
Old 11-23-2011, 06:55 PM
We'll fix 'er up.
 
Join Date: Feb 2011
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Default Re: 4.0 SOHC engine performance upgrades?

probably not, aha i notice a difference with my dynomax ultra flow cat back system.. don't bother replacing the cats the stock ones flow really well from the factory. my system gave my truck more low end grunt
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  #5  
Old 11-23-2011, 07:30 PM
I'm kind of a big deal
 
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Default Re: 4.0 SOHC engine performance upgrades?

tuner
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  #6  
Old 11-24-2011, 04:44 AM
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Default Re: 4.0 SOHC engine performance upgrades?

Quote:
Originally Posted by camodown View Post
tuner
this...made a noticable difference with my truck
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  #7  
Old 11-24-2011, 05:04 AM
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Default Re: 4.0 SOHC engine performance upgrades?

tuner
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2011 Ford Ranger 4x4 Sport 4.0L "Dixie"
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  #8  
Old 11-24-2011, 06:27 AM
^thats what they call me^
 
Join Date: Aug 2010
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Default Re: 4.0 SOHC engine performance upgrades?

my exhaust helped a little. freed up the engine a little. i still have all the cats on tho. i prob only gained a couple horse...

id say a tuner is your best bet. then a camshaft and valve springs, headders, port and polish the heads, catbacks, and theres a lot of little things that might gain you another couple horses
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