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SAFE TO RUN A NEW PULLEY WITHOUT TUNE?? 

 

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 Post subject: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Thu Mar 11, 2010 12:51 am 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

im about to update my pulley setup on my supercharged EL ghia.

im currently running a 102mm electronically clutched pulley (5psi) and im going to be swapping out to a 8psi solid pulley as a test before i try out a 10psi pulley.

will i have to take the pulley with me to a tuner, fit it and have it re-tuned to suit.? or is there a chance of the EECV adapting to the change by its self?? im running a J3 chip with the ghia/tickford computer. but im guessing the J3 chip on it now has ignition and fuel to suit the 5psi setup...

iam worried about detonation though. forged internals doesnt make it invicible.
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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Thu Mar 11, 2010 12:27 pm 
Getting Side Ways
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Ride: Supercharged BA XL ute

Location: Gordonvale
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I did it with mine and it's OK.
The tune is boost indexed?

 

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BA XL ute.
P'maker headers',Hi flow cat,3" sports sytem,
Raptor V-clutched lightweight not intercooled,no tranny cooler,no worries.

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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Thu Mar 11, 2010 12:40 pm 
Getting Side Ways
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Age: 34

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Location: melbourne
VIC, Australia

It will be fine to drive to the tuner. Just take it easy.
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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Thu Mar 11, 2010 9:13 pm 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

a few mates reckon i might have trouble running a solid pulley? and should stick with the clutch?

i can imagine a few idle issues with the constant boost.

anyone shed any light on this?
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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Thu Mar 11, 2010 9:21 pm 
Getting Side Ways
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Age: 34

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Joined: 7th Feb 2005

Ride: AU2 Ute

Location: melbourne
VIC, Australia

It has a bypass valve doesnt it?

A valve that lets air out from between the charger and T/b to the intake before the charger.
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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Fri Mar 12, 2010 11:30 am 
Getting Side Ways
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Posts: 631

Joined: 27th Jan 2007

Ride: Supercharged BA XL ute

Location: Gordonvale
QLD, Australia

Dansedgli wrote:
It has a bypass valve doesnt it?

A valve that lets air out from between the charger and T/b to the intake before the charger.

What he said,runs from the vacuum system.

 

_________________

BA XL ute.
P'maker headers',Hi flow cat,3" sports sytem,
Raptor V-clutched lightweight not intercooled,no tranny cooler,no worries.

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 Post subject: Re: SAFE TO RUN A NEW PULLEY WITHOUT TUNE??
Posted: Fri Mar 12, 2010 9:17 pm 
Stock as a Rock
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Age: 26

Posts: 136

Joined: 23rd Dec 2008

Ride: EL FAIRMONT

Location: Perth
WA, Australia

yes, it has a bypass valve fitted.

thats what i figured aswell. at idle to spite the charger running a solid pulley it wont be pumping enough boost at 500rpm to close off the bypass valve.
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