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chucks97ss
Dodge Dakota
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12/11/2002
10:12:56
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 Subject: Duners fuel rail mod?
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I read about this on Jeepsunlimited.com. #10 in the list below... anyone know anything about that?
Thanks
Chuck
1. K&N FIPK: 7hp/8lbft
2. Kolak 3" cat-back exhaust: 5hp/6lbft
3. Modified Y-pipe + 3" high-flow cat: 10hp
4. Mopar Performance PCM flash: 9hp/8lbft
5. ASE chip: -5hp/21lbft
6. Flometrics 70mm TB: 5hp/7lbft
7. Speedtweaks IAT adjuster: ?
8. KRC Performance HO camshafts & intake manifold: 19hp
9. Remove clutch fan + short belt PS/alternator bypass: 10hp/17lbft
10. Duner's fuel rail cooling system: 16hp/29lbft
With the above mods, output should be about 300hp. Now the big stuff:
11. Kenne-Bell supercharger: 99hp over stock
12. Paxton Novi-1000 supercharger: 102hp/62lbft over stock
13. Garrett T04B turbocharger 10psi boost: 144hp over stock
14. Nitrous Express kit: 50-150hp over stock
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Chipster
Dodge Dakota
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12/11/2002
11:42:35
| RE: Duners fuel rail mod?
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The fuel rail on the 4.7 is shaped like a horse
shoe. The longer the fuel is in the rail the
hotter it gets. Some people even think that it
vaporizes in the rail. Anyway, that equals less
fuel to the injector pulse. Duner, runs a 3/8"
copper tube above the fuel rail and secures it
to the rail with insulation. He then runs a water
pump with antifreeze in it. This tube is coiled
around the air conditioner dryer. So from the
pump the fluid goes to the dryer, gets cooled
down, then goes to the fuel rail, there it sucks
up the heat from the fuel rail and then it
returns to the pump. Another "Crude But
Effective" invention by the mad scientist called
Duner.
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chucks97ss
Dodge Dakota
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12/11/2002
12:51:03
| RE: Duners fuel rail mod?
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Message:
So does it actually gain almost 30 ft lbs of torque from doing this? And are there more detailed instructions on how it can be done somewhere I could check out?
Thanks
Chuck
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.alex.
Dodge Dakota
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12/11/2002
13:13:24
| RE: Duners fuel rail mod?
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Message:
Cut & paste:
http://www.moparchat.com/forums/showthread.php?s=549a6a5c65be9d471dc99f6dd050b394&threadid=42928&perpage=15&pagenumber=3
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darcy
Dodge Dakota
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12/13/2002
15:23:43
|  RE: Duners fuel rail mod?
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Message:
Here's a stupid question, I'm looking at doing this once the winter is over, just wondering what is involved in getting power to the water pump? Stupid question I know...
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