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Dakota Performance
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albert
Dodge Dakota
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6/10/2001
20:17:28

Subject: 4.7L jba headers dyno
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Has anybody dynoed the jba headers for the 4.7L. I have a chance to get these for about half price along with a custom exhuast and I want to know if it will be worth the trouble. Now I have a 3" cat-back flowmaster exhuast and I will probably convert to headers with high flow cats into true dual 2.5 mandrel bent tubes. Is this a good setup or should I just stick with a single 3"? Also, will this give me any substantial gains and be worth the money? I've read that the stock manifolds are not too restrictive and I don't want to tear apart my whole exhuast system until I have some rough numbers about gains. Anybody have any help or advice?



Art
Dodge Dakota


6/11/2001
17:10:40

RE: 4.7L jba headers dyno
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Ya id like to know this myself about the new jba`s,has anyone used em on the 4.7?I looked on there site it doesnt say much and I dont see a y pipe for it either,anyone?



99DurangoV8
Dodge Dakota


6/13/2001
17:17:40

RE: 4.7L jba headers dyno
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I wouldn't go with the true duals, you will lose some bottom end, just do the cat forward. I don't know dyno results on a Dakota but Sport Truck got 12 hp on a Ford.

99 Durango V8




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