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Hmmm Dodge Dakota JOIN HERE
11/01/2005 17:02:39
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Subject: 20 vac, 5# boost on 9# pulley IP: Logged
Message: I am only makin 5# boost and have a 20vac at idle on a 9# pulley.
Is it just cause my motor is worn out or is it just a crappy powerdyne?
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ASADFG Dodge Dakota JOIN HERE
11/01/2005 18:31:47
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: O a powerdyne ha. hehe
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Hmmm Dodge Dakota JOIN HERE
11/01/2005 20:29:17
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: so its prob the powerdyne? if it is can i upgrade the pulley?
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Sneezer Dodge Dakota JOIN HERE
11/02/2005 11:00:09
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: That is about right for a truck mounted powerdyne. The 9# runs around 6# on a truck engine. You can get a different pulley. I have also heard that a standard alternator pulley is close to the size of a 11-13# pulley. Make sure you have a good ignition like an MSD 6BTM and a bypass valve before playing with more boost. And get it tuned, or you will blow head gaskets on a regular basis.
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Hmmm Dodge Dakota JOIN HERE
11/02/2005 13:41:41
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: Yeah i have the msd BTM and a bypass. What do you mean by get it tuned? What do you recomend? Does the vac seem high at idle?
thanks!
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crow318 Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
11/02/2005 13:58:08
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: I run at about 18 when cold and 16 when warm on the 5.2L. As for pully size, how do you know its a 9# pully? Where are you measuring boost? What RPM are you turning? If the pully is small, you may be getting belt slip. Have you ever had a different pully on there?
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crow318 Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
11/02/2005 17:47:31
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: Sorry, I mean 16 when cold and 18 when warm
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hmmm Dodge Dakota JOIN HERE
11/02/2005 21:44:58
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: I use a boost gauge to tell and I believe i might be getting some belt slip. 5# when wot.
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crow318 Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
11/03/2005 08:13:28
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: WOT the only thing WOT does is close your bypass valve. It doesn't have much to do with boost after that. Your boost level is related to engine RPM. On the dyno I hit 7psi. On the street I can only get about 6. The setup I have is also a 8-9psi kit.
I wouldn't worry about the vaccum. That is normal.
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Jose A. Dodge Dakota JOIN HERE ![Email](http://www.dodgedakota.net/amb/icons/email.gif)
11/17/2009 21:41:18
| RE: 20 vac, 5# boost on 9# pulley IP: Logged
Message: Hello, I need a pulley 4 1 / 2 "for a Powerdyne because I have it installed on 4 cyl. 4g63 Talon Mitsubishi pulley 91 with a 6" and the 8500 RPM motor makes. If I can find tells me to buy. Thanks Joe.
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