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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 03-19-2006
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Headers

are there headers available for my truck?(03 4.0) I have not been able to find any yet.. thanks bro's
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  #2  
Old 03-19-2006
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http://www.underdog-performance.com/id51.html JBA makes them and they are suppose to be pretty good. Just got to know where ur EGR is if you have it.
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Old 03-19-2006
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cool thanks man, NICE!!!!!!!
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Old 03-19-2006
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From what ive read from others, if you go with the JBA's get the ceramic coated ones...they are the best quality. Also, theres a lot of mixed reviews on the headers performance gains. Some people claim the gains are equivalent to a Bamachip(10-15rwhp gain), others claim that the gains are minimal at best. For $500 its a pricey gamble on who youre gonna side with in the end. The contrast in reviews is the only reason i havent gotten the headers yet. I wish someone would do an unbiased dyno on the headers so we could find out the real world gains.

IIRC all '03 models dont have an EGR...if in doubt look at your factory manifolds if theres a tube coming off of one of the collectors and going up to the engine then you have an EGR. If theres no tube coming off on either side then you dont have an EGR
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Old 03-19-2006
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I installed a used set on my 2003 4.0L. The installation can be done in 6~8 hours but most people say it's more like a weekend job. It will be easier if you have a variety of tools including universal sockets, ratcheting box wrenches, etc. Don't try it if all you have available is a 1/2" socket set and a claw hammer. The install is best done through the wheel wells with the tires/wheels and inner fenders removed.

The performance gain is real although not overwhelming. IMO, it's not that the JBAs are a bad design. It's more that they are replacing a good-flowing set of stock manifolds on the 4.0L.

All 4.0 SOHC Rangers have EGR except 2003. If you can find a good deal on the EGR-type, it's easy to modify them for a 2003 Ranger by capping the fitting.

New JBA's retail for $400~600+. For less money, a good calibration reflash would give more bang for the buck and cost you 100x less time and effort.
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Old 03-19-2006
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ya personally on a stock truck its a waste of time now if you start throwing true performace mods to it then sure. best thing is like Bob sayed get intouch with Doug and get yourself a Bama programmer there around $300 and you get better MPG better TQ and HP and if your an automatic the trans shifts better...
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Old 03-19-2006
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For some reason it seems like I've seen this question asked 100 times...
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Old 03-19-2006
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because it has been constantly...
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Old 03-19-2006
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One thing to keep in mind is the added appearance it offers. Ceramic coatings are durable and really adds zing to the engine bay. It completes a good plan for the underhood area. I would think most people buy catbacks because of the sound and most people buy intakes because of the looks. Not often admitted, but performance can become secondary to those other factors.
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Old 03-20-2006
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Didn't someone complain that the headers made the truck louder as due to thin walls on the headers... i remember something around those lines...
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Old 03-20-2006
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Quote:
Originally Posted by karrbass4life
Didn't someone complain that the headers made the truck louder as due to thin walls on the headers... i remember something around those lines...
Most headers are so thin that you can hear the exhaust barking right through them. JBA's are made from unusually heavy tube for aftermarket headers and they don't have this problem.
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Old 03-20-2006
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Quote:
Originally Posted by graniteguy
One thing to keep in mind is the added appearance it offers. Ceramic coatings are durable and really adds zing to the engine bay. It completes a good plan for the underhood area. I would think most people buy catbacks because of the sound and most people buy intakes because of the looks. Not often admitted, but performance can become secondary to those other factors.

You cant even see them once they are on!!! The headers that is....
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Old 03-20-2006
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squirls can lol...
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  #14  
Old 03-20-2006
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I think Nickster would know lol
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Old 03-20-2006
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I just went out and looked in my truck and saw ugly rusted exhaust manifolds.
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Old 03-20-2006
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I was talkin about on MY truck. Sorry, didnt mean to make you get up for nothing....
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  #17  
Old 03-20-2006
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Well what im doing is getting catback exaust, bamachip, pullies, headers. I already have intake done. See alone none of those will really make a "race truck" but together they will add quite a bit of power. Eventually I might get crazy enough to supercharge it, dunno though. Headers wont hurt thats for sure. Being in arizona I dont care what coating they have as they wont ever rust. I mean we just had 143 days no rain
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Old 03-20-2006
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Quote:
Originally Posted by NicksterSVT
I was talkin about on MY truck. Sorry, didnt mean to make you get up for nothing....

Aaaahhh. you got a big blower blocking the view. You should remove it so you can see how ugly the exhaust manifolds are.
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  #19  
Old 03-21-2006
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Quote:
Originally Posted by graniteguy
Aaaahhh. you got a big blower blocking the view. You should remove it so you can see how ugly the exhaust manifolds are.
Uh, I dont even know where my exhaust manifolds are.... Im on my second set of headers...




BTW: That isnt my hood in the background!!!
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Old 03-21-2006
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haha. alright. Well I can see a "header" in the pic. BTW- engine bay looks sharp. Very nice Nick.
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  #21  
Old 03-21-2006
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Quote:
Originally Posted by graniteguy
haha. alright. Well I can see a "header" in the pic. BTW- engine bay looks sharp. Very nice Nick.

Hey thanx man... Yea you can see the drivers side a lil bit, but no possible view of the pass. side unless you look through the fenderwell...
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