JBA Headers installed! - Ranger-Forums - The Ultimate Ford Ranger Resource


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

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Old 05-05-2005
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JBA Headers installed!

Today's project was the installation of my used JBA headers I got from Leo. JBA wanted $40 for a bolt/gasket installation kit, so I bought a pair of factory 4.0L exhaust gaskets for $16. I used bolts that I had on hand in my shop.



Ford OEM gasket:





I ground a small bevel on the passenger side collector flange to open up a little clearance to the oil filter adapter. Maybe could have made it work without the bevel but I didn't like the idea of the parts touching and possibly binding:





The front wheels, splash shields and inner fenders were removed. This opened up a lot of area to work. Here's the installed header on the passenger side:





And here's the driver side installation. This side is something of a jigsaw puzzle. The steering shaft was temporarily disconnected and the dipstick tube was recontoured to fit the header flange. It helps to have a variety of universal sockets, wobble extensions, shorty wrenches and ratcheting box wrenches in addition to common sockets and wrenches. Also, a reverse Torx socket is handy for setting the exhaust studs:



Before I reinstalled the inner fenders, I heat cycled the headers twice and retightened the flanges. I don't feel like taking this back apart for any exhaust leaks!



Bottom view of the clearance between the beveled collector flange and the oil filter adapter:

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Old 05-05-2005
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wow that is a tight fit
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Old 05-05-2005
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Looks damn good.. Good Job..

It is a tight fit. Driver side IS a jigsaw puzzle..
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Old 05-06-2005
D.
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Clearence issues, TRD-1313 from summit ( their part# ) . Its a sandwich oil filter re-locator. Lays flat on the block and has the send/rec lines out of its side. It center tightens so you can set the direction of the lines and then bolt it down.

Works well with an oil cooler too

As always, Excellent work Bob!

D.
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Old 05-06-2005
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Looks awesome. so how does it sound/feel? Is there a big notice or a small one?
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Old 05-06-2005
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dayam.. that looks REAL hard to install...
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Old 05-06-2005
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Quote:
Originally Posted by karrbass4life
Looks awesome. so how does it sound/feel? Is there a big notice or a small one?
There is no difference in sound because I still have the factory muffler. High RPM power feels stronger but would probably be better yet with a freer flowing muffler.

One nice thing about the JBAs is the lack of header "bark" that you get through the tubes of other manufacturers' thin-wall headers. JBA uses very thick tube walls and flanges, so the noise through the headers is comparable to that of the factory cast iron manifolds.
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Old 05-06-2005
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Quote:
Originally Posted by r0ng5
dayam.. that looks REAL hard to install...
It is time consuming. I spent about six hours on it. If you don't have a good selection of tools, it could take much longer.
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Old 05-06-2005
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Quote:
Originally Posted by D.
Clearence issues, TRD-1313 from summit ( their part# ) . Its a sandwich oil filter re-locator. Lays flat on the block and has the send/rec lines out of its side. It center tightens so you can set the direction of the lines and then bolt it down.

Works well with an oil cooler too

As always, Excellent work Bob!

D.
Thanks for the part number D. I filed it for future reference.
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Old 05-06-2005
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very cool mod!
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Old 05-06-2005
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Nice work!

How are your hands? Mine were very sore after my "mod marathon" I had over a few weeks building the axle, installing it, and putting the spindles in. (Most of you are like, what the heck? It's an old guy question, lol.)
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Old 05-06-2005
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Nice work!

How are your hands? Mine were very sore after my "mod marathon" I had over a few weeks building the axle, installing it, and putting the spindles in. (Most of you are like, what the heck? It's an old guy question, lol.)
A little chapped and kinda scuffed up but still functional.
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Old 05-06-2005
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lol! Mine was more in "internal" thing -- just very sore. I should have gotten into this kind of work when I was younger, lol! I wore "mechanic gloves" (the Ringers ones) for all the installs so the surface of my hands were in pretty good shape.

Doesn't stop me though!
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Old 05-06-2005
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What fun is it w/o a few bloody nuckles to show for it?
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Old 05-06-2005
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any pics of a old and new side by side ? How's the low end torque ?
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Old 05-06-2005
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any pics of a old and new side by side ? How's the low end torque ?
Low end feels about the same but it seems to wake up a bit above 3000 RPM.
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Old 05-06-2005
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Can I join " ya'lls " old guy club. I did a ' truckload ' of mods today and I can barely type

D.
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Old 05-06-2005
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nice Bob, good job Name:  bdsmiley.gif
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are you going to put on an aftermarket muffler?
all work on engines requires just a bit of blood to be spilled as sacrifice
- it is the only way to truely complete the job
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Old 05-07-2005
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how about a 19 yr old with a bad knee who cant get up after kneeling for a few minutes, lol.

looks good...ill file this for future reference.
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Old 05-07-2005
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Someone pointed out to me, you have my full name on GE... please just remove the last name..lol
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