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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #1  
Old 12-04-2007
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Icon5 Headers

Who out there has headers on an 01+ and if you do did you run true dual exhaust with the OEMl cats? Or how did you run it? Whats works the best and what should I avoid?
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Old 12-04-2007
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I would stick with a single to dual or a single/single exhaust, our engine isnt quite buff enough to run a true dual without losing some much needed back pressure... perhaps some of thsoe that are running a supercharger among other mods.. a true dual would be a nice setup to put in.. you jsut need the room to do it as well, and thats really tough to do considering you need a cat on each run.. and we ont have much room down tehre to do it.. unless yoru runnign a decent lift on yoru truck :-)
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Old 12-05-2007
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i have jba headers(got pics of the install on a different computer, ill get around to emailing them to myself one day)
all the rest of the exhaust is stock
id stick with single in single out style cat back.
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  #4  
Old 12-28-2007
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we have actually tested true duals on these and its really not worth it, a good set of headers with a singe in/out is really the best way
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Old 12-30-2007
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Is there a difference in the 4.0 in the Ranger and the 3.8 in the v6 Mustangs that makes the Mustang engine more agreeable with a true dual set-up? I know several v6 Mustang owners with true dual set-ups, and it has never made sense to me.
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Old 12-30-2007
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^they sound like crap too (IMO). My sister had an '02 V6 stang with true duals and it had a nasty sound (and not in a good way) when you got the RPMs up there..
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  #7  
Old 12-30-2007
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Honestly.. for the cost and for what it actually robs in power.. Our engines don't move a whole lot of air, theres no need for a true dual setup endless a means of forced induction is used.
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  #8  
Old 12-31-2007
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Quote:
Originally Posted by bwester04
^they sound like crap too (IMO). My sister had an '02 V6 stang with true duals and it had a nasty sound (and not in a good way) when you got the RPMs up there..
That weed eater with a borla exhaust sound?

Quote:
Originally Posted by WowMike2001
I would stick with a single to dual or a single/single exhaust, our engine isnt quite buff enough to run a true dual without losing some much needed back pressure... perhaps some of thsoe that are running a supercharger among other mods.. a true dual would be a nice setup to put in.. you jsut need the room to do it as well, and thats really tough to do considering you need a cat on each run.. and we ont have much room down tehre to do it.. unless yoru runnign a decent lift on yoru truck :-)
The gas tank is in the way too isnt it?
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  #9  
Old 12-31-2007
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worse... flowmasters, so its raspy at the higher rpms.
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Old 01-01-2008
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From a TQ curve standpoint for a 4x4. True duals on a short stroke motor is not a smart move. Most 4x4 guys are interesting in low to mid rpm TQ. Not 5000+ rpms.

A better way might be to extrude hone (or hand port) your existing manifolds and get a set of high flow contertors with a 2.5" single mid pipe. After the muffler it won't matter much what you do.

Rich
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