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Old 06-23-2014, 08:33 AM
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pacesetter headers anygood?

Well im changing the cracked hunk of cast in my engine bay called the exhaust manifold. Dont want a stock manifold, was looking at a pacesetter? Heard good and bad about these headers. Anyone know how they are? Ill be putting a new header.on the 2.5 4cly. Thanks

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Old 06-23-2014, 06:27 PM   #2
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that's what I put on my 4banger.came w/the special washers and pipe.have had 0 problems...russ

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Old 06-23-2014, 06:31 PM
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Nice imma look into it
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Old 06-27-2014, 11:26 PM   #4
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I ran one for ten years and never had an issue..
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Old 06-28-2014, 12:44 AM   #5
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Im running one now on the 4.0L
Cali approved, and it even says in the directions you have to modify the exhaust, making it LEGAL to reroute the exhaust around the front of the oil pan to better clear the front shaft on lifted Jeeps. Also, this longer tube allows more flex (not much) that relieves a small amount of the stress that causes cracked manifolds.

The tubes are a hair on the thinner side, so if you do get them, mount them, re-route the exhaust, then remove it and have it ceramic coated, it will hold up to the heat better, and last longer.
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Old 06-28-2014, 12:54 AM   #6
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header

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Im running one now on the 4.0L
Cali approved, and it even says in the directions you have to modify the exhaust, making it LEGAL to reroute the exhaust around the front of the oil pan to better clear the front shaft on lifted Jeeps. Also, this longer tube allows more flex (not much) that relieves a small amount of the stress that causes cracked manifolds.

The tubes are a hair on the thinner side, so if you do get them, mount them, re-route the exhaust, then remove it and have it ceramic coated, it will hold up to the heat better, and last longer.
dont suppose you could put up a pic of that header could you?? im running an automatic and i was wondering if it will clear factory auto shift linkage. ive got a clifford header on mine now and it wont. had to put in a floor shifter and i want to go back to the column shifter...but have to put on a different header to do that.
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Old 06-28-2014, 01:11 AM   #7
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Quote:
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dont suppose you could put up a pic of that header could you?? im running an automatic and i was wondering if it will clear factory auto shift linkage. ive got a clifford header on mine now and it wont. had to put in a floor shifter and i want to go back to the column shifter...but have to put on a different header to do that.
Ill post up some pics tomorrow, but im running an AX15 manual... also, mine is routed around the front of the oil pan, and down the passenger side, away from any automatic shifter linkage.
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Old 06-28-2014, 05:19 AM   #8
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header

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Ill post up some pics tomorrow, but im running an AX15 manual... also, mine is routed around the front of the oil pan, and down the passenger side, away from any automatic shifter linkage.
im concerned where the header meets the pipe. mine is exactly where the linkage bracket should bolt up, and it sits tight enough against the block the bracket wont mount.
i looked at borla and i think that one would work cuz it pretty much goes straight down and then back.....BUT the price is what is holding me up. $450 for the header and head pipe. not bad considering what you get...but still a good chunk of change.
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Old 06-28-2014, 07:24 AM   #9
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Also get it ceramic coated before you install it, it will save on under the hood heat.....
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Old 06-28-2014, 07:34 AM
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Where can i get it.coated? It gave me the option of armor.coat but.tjey wanted 100$ for.it
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Old 06-29-2014, 04:30 PM   #11
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Here you go, this is om a '93 YJ with a 4.0L and a AX-15

O2 sensor goes on the front of the "Y" piece... its not in view.

Last photo is a recent mod to clear the Barnes skid.

http://www.summitracing.com/parts/psm-72c1129

http://arb.ca.gov/msprog/aftermkt/de...eo/D-439-8.pdf

http://www.arb.ca.gov/msprog/aftermk...Search+for+EOs
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Old 06-29-2014, 09:26 PM   #12
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That's about the going price but it keeps the heat in...plus being near your oil pan without it is like keeping a hot iron pressed agains it all the time. You can check local shops that do powder coating.

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Where can i get it.coated? It gave me the option of armor.coat but.tjey wanted 100$ for.it
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Old 09-04-2014, 07:37 PM   #13
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So what is the benfit of the dual outlet header over the single outlet. I dont see the point if you're not going to be running a true dual exhaust. Is there a scavenging benefit?
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Old 09-04-2014, 08:47 PM   #14
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So what is the benfit of the dual outlet header over the single outlet. I dont see the point if you're not going to be running a true dual exhaust. Is there a scavenging benefit?
Its not dual outlet, it all goes into one and is all part of the system, Think all headers for our 4.0L start with 6 and eventually go into 1 pipe, this just changes up the order.
WHY?
Power via scavenging, and add one more benefit that plaugee our Jeeps, CRACKING, the further the collectors are the more they can move without cracking.

I have failed too many 4.2L and 4.0L Jeeps with cracked exhaust.

Having the headers coated with the creamic header coating moves the heat further out the exhaust to further reduce cracking (and lowering underhood temps!) !!!
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Old 09-04-2014, 08:50 PM   #15
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Old 09-10-2014, 02:02 AM   #16
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So is the pacesetter thick at the flange? I dont want to fight it trying to shim it with washers.
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Old 09-11-2014, 07:03 AM   #17
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Ive been running my pacesetter for 12 years.No problems.I like it.
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Old 09-11-2014, 11:45 PM   #18
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Only issue I had with mine was the special washers didn't let the intake seal properly. So mine needed normal washers instead of the shim ones. Ran a brand new full exhaust and now my 4 banger sounds better than my wife's JKU with exhaust work.

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