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Rowdy
Dodge Dakota
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5/22/2002
09:29:52
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 Subject: are headers for my 318 worth it?
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Hey, i've been lookin at buyin a pair of headers for my truck, its a 99 extended cab, 4x4 sport with a 318 (5.2). I've talked to some people around town, and they have all told me not to waste my money on buyin headers for my truck, because the holes in my manifolds are bigger than the holes in the headers, is there any truth to this?
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SinCity R/T
Dodge Dakota
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5/22/2002
11:27:44
|  RE: are headers for my 318 worth it?
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That may be the case with cheap sets of headers, but the quality sets like Mopar Performance (aka PPH), Gibson, JBA, etc. should help you out.
Avoid those cheap sets from oddball brands, they're usually smaller diameter, thinner metal, poorer finish, etc.
SinCity R/T
http://www.dakota-durango.com
 
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rtdkota
Dodge Dakota
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5/22/2002
15:02:25
|  RE: are headers for my 318 worth it?
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I feel they were worth it on my '99 4x4... I ran with PPH headers (which I sell, hint hint)... I towed a '72 Dart on a trailer from San Jose -> San Diego after the header install, and the perf. on the Grapevine (fwy, not the song) was great... Pulled 45-50 mph in 2nd no problem... Averaged 13.5 mpg towing at 65-70 mph. Around town it was in the 11-12mpg range, got 18 on the highway empty running 75-80 mph on cruise.
If you are running skid plates they might not fit.
Sam
www.socaldakota.com
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Tex
Dodge Dakota
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5/23/2002
01:29:00
| RE: are headers for my 318 worth it?
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I don't know about third Gen, But on the Second Gen Dakota 318's the headers make all the difference in the world. My 96 is putting 235 horse at the rear wheels. Thats up from 210.
I have JBA headers with Magna-Flow cat back.
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Aaro
Dodge Dakota
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5/23/2002
19:29:26
| RE: are headers for my 318 worth it?
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I have a set of JBA headers on a '97 ,the are great good power gain from idle to 5000,I should hsve gotten the coated ones.
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YA
Dodge Dakota
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5/25/2002
04:13:32
| RE: are headers for my 318 worth it?
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Tex, is that increase from the headers alone or did you do the Y pipe also? What other mods?
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Tex
Dodge Dakota
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5/29/2002
00:25:37
| RE: are headers for my 318 worth it?
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That is only with the headers.
I put Magna-Flow Cat-Back on it and got 30 horse and torque from that alone. The only other mod is that i took the blocker plate of the air intake in the grill.
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Jim
Dodge Dakota
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5/29/2002
07:29:10
|  RE: are headers for my 318 worth it?
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hey rtdkota how much do them headers sell for i'm thinking about putting some on my '94 ext cab 318 magnum v-8 2wd. send me an e-mail with prices if possible to : jdbright@hotmail.com
Thanks Jim
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jason
Dodge Dakota
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6/22/2002
01:14:52
| RE: are headers for my 318 worth it?
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i just bought headers for my 93 5.2 liter dakota ya don't waste your time buying cheap ones just spend the money for the mopar headers they gave me about 24-28 hp more trust me their worth it.
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Hersbird
Dodge Dakota
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6/22/2002
18:43:43
| Headers on a 93
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keep in mind a 92-93 won't see as much gain from headers as later models will. The 92-93 had larger diameter exhaust from the factory. Don't just give your old manifolds away Jason as they would add power to any stock 94-02, 5.2 or 5.9. It took Doug Thorley 3 years before he could figure out a header setup with worthy gains to a 92-93 5.2. Now quite a few companies have something for them, but they still don't help as much as they do a 94 or newer.
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saffron
Dodge Dakota
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6/28/2002
10:15:39
| RE: are headers for my 318 worth it?
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I have a set of Edelbrock shorty nickel plated headers for my 97 318(K&N FIPK, single in dual out exhaust, cut cat). Put them on myself(not to difficult to install) They made a difference in the midrange 2500-3300RPM range...Pulls a lot more. They look pretty cool too. I paid 319$ for them from JEGS PERFORMANCE...I'm getting ready to put true duals on to get rid of the y-pipe...definitly ristricting the airflow from the headers and intake system.
www.jegs.com
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slowturbo
Dodge Dakota
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6/28/2002
20:25:01
| RE: are headers for my 318 worth it?
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so if i put exhaust manifolds off of a 92-93 dak 5.2 i would notice a difference? i have a 91 5.2 and can't find headers for it.
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Hersbird
Dodge Dakota
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6/30/2002
01:00:44
| RE: are headers for my 318 worth it?
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I don't know if your pre magnum 5.2 (91) will accept magnum headers as a bolt on. They did used to make headers for your truck directly from Mopar Performance but I don't think they were smog legal. I bet magnum manifolds or headers would work just fine, and either one would give your 91 a bit of a boost. Just about every thing on the 91's could stand improvement, didn't the 5.2 pick up 50Hp from 91 to 92?
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slowturbo
Dodge Dakota
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6/30/2002
11:35:14
| RE: are headers for my 318 worth it?
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yeah, 91 they were at 170 and in 92 they went to 220. how could i find out if the 92-93 headers would bolt up without buying some? i am still looking for headers, but if i could find a REAL cheap pair of manifolds off a 92-93 that would hold me over til i can afford some good headers
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SnoopyToo
Dodge Dakota
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7/03/2002
17:38:03
| RE: are headers for my 318 worth it?
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Call up a Dodge dealer's parts counter and ask if the manifolds are interchangable for those year models. They should be able to tell you.
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over100kph
Dodge Dakota
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7/06/2002
02:12:34
| RE: are headers for my 318 worth it?
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i've got a 91 dak witht the 318, i pulled my cat and gained power, must have been pluged. I think headers would give a lot more power. i think that a bolt up dual exast system, or a good custom system would have more effect on your power.
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Rob W.
Dodge Dakota
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9/08/2002
23:29:33
| RE: are headers for my 318 worth it?
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Hooker Headers makes a set of Headers for the 91 318 but they wont work with the air pump so you have to take it off for them to work. They are the Super Competition headers they make ceramic coated ones as well the non ceramic are $318 from summit and the ceramic was i think 380-415 but i cant remember i would guse that you would get a gain around 20-30hp good luck you also need to plug the smog ports in the heads call Hooker for this
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Bonestock
Dodge Dakota
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9/09/2002
15:44:14
| RE: are headers for my 318 worth it?
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I have a 97 2wd 5.2, I have been looking into headers also. I was told that any gain from the headers would be lost because the duel pipes have to go into a single cat. ????
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POWER HUNGRY
Dodge Dakota
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9/09/2002
19:18:55
| RE: are headers for my 318 worth it?
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bonestock,
The tir-y headers from doug thorley and the mopar headers come with a new y-pipe. The shorties that bolt to the stock y-pipe will still give you a gain because of the design but mostly in the top-end. For steet use go with the tri-y's and get the bonus of extra torque.
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Jacque
Dodge Dakota
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9/12/2002
13:37:02
| RE: are headers for my 318 worth it?
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My last Dakota was a 94. I bought a set of the Summit shorty headers for late model trucks. Which is a Flowtech. To me, they lok just like a set of JBA's. I have never seen anthing other than pictures of some of the other headers out there other than a set of Mopar Performance headers for a 99 RT. From what they looked like
to me they aren't any better than the Summit headers.For the money, they are a good header. The flange is 3/8 inch think and the headers are made from 16 guage steel.They are well made and I never had any problems with them. Other than that they did hit the upper a-frame on the passenger side and put a small dent in one of the tubes. I paid $169 plus shipping. The headers made a noticeable difference in the power and performance of my truck. I would say that I picked up 20 horsepower at least. Gains were noticeable up to 4000. I sand blasted the paint off of them and sprayed them with some chrome high temp paint for engines (rated up to 1200 degrees) I got from Advance Auto Parts. Turned out very well. I don't see the need for more expensive headers. That is my opinion. What do the rest of you think about this?
P.S. The RT had 3 inch exhaust, high flow converter, flowmaster mufflers, 2 1/2 inch tailpipes beside the Mopar headers and the difference it made was very little. Some RT's seem not to respond to mods that well. Am I wrong? The truck ran maybe 3-4 tenths quicker. I picked up that I figure from the headers alone. I think that dual exhaust cat-backs hurt performance instead of help. Comments?
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jay
Dodge Dakota
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12/06/2002
07:46:57
|  RE: are headers for my 318 worth it?
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hay try headers bye ed on line they custom fab every thing to your car even the prts get cut to match
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jau
Dodge Dakota
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12/06/2002
07:48:14
| RE: are headers for my 318 worth it?
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lookn for headers on my 94 caprice ss good one hoping not to spend to much
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Brad Drake
Dodge Dakota
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3/03/2003
03:23:14
| RE: are headers for my 318 worth it?
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I have a 91 dakota and I am looking for headers that will fit in it. I talked to KRC performance and they said that the ones from a 92 to a 96 would work, but the bottem section might not lign up with the stock exhaust. ( Doug Thorely headers). Does anyone know if this is true? Heres another kicker, I want to put in the Mopar 360 crate engine that makes 380 horse, will the headers match up to that? Any advice would be appreciated.
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chris
Dodge Dakota
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3/03/2003
09:39:22
| RE: are headers for my 318 worth it?
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brad drake, the mopar 380 horse 360, is a pre-magnum motor(as in the motor you will find in a 92 plus truck). It is a carb unit, so you could gut all you computer stuff and drop in any long tube headers. No emmision chance but lotta power.
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chris
Dodge Dakota
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3/03/2003
09:41:22
| RE: are headers for my 318 worth it?
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sorry brad that didn't read right, it is a magnum block set up to pre-magnum specs
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Brad
Dodge Dakota
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3/03/2003
09:54:01
| RE: are headers for my 318 worth it?
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I know mopar used to have a pre mag header setup for the 91 daks. Had the air pump connections and everything. Have to dig up one of my old mopar performance catalogs. I think they have been discontinued but they may still have one around. I'll get back to you on that.
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Brad Drake
Dodge Dakota
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3/03/2003
14:02:24
| RE: are headers for my 318 worth it?
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thanks for the info on the headers. I am planning on ordering the engine today, so I will need some headers.
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Dak in Alaska
Dodge Dakota
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4/03/2003
22:55:57
| Approx. how much?
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I got a 94 Dak that i'm thinkin about puttin a 318 in. I was wonderin if anyone knew how much hp this would be. And is it possible to go with cams?
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Tex
Dodge Dakota
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4/04/2003
01:59:21
| RE: are headers for my 318 worth it?
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The 94 318 stock makes 220 hp at the flywheel.
But if you let it breath, it will get 220 at the rear wheels, stock! (ex. k&n, headers, dual exhaust)
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01Motorsport
Dodge Dakota
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4/04/2003
20:54:50
| RE: are headers for my 318 worth it?
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The '91's made 170hp. The '92 and '93's were 230hp/280tq. The '94's were 220 hp/295tq. The inside diameter of the '92-'93 exhaust manifolds are about 1/4" larger; VERY significant. Dodge wanted more of a "truck motor" in '94, according to the press reports at the time. Mopar Action had a '93 that ran 14.9 1/4mi stock, 14.4 with a K&N drop-in and MP 25 horse computer. It was a 5.2 RC auto 3:92 on 215/75/15 tires.
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POWER HUNGRY
Dodge Dakota
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4/05/2003
17:32:33
| RE: are headers for my 318 worth it?
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01Motorsport,
What issue was that article in? (issue# or date)
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