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Tricky5
Winch Assistant
Joined: 28 Nov 2013
Odometer: 55
Location: Somerset
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 Posted: Sun Mar 27, 2016 6:31 pm Post subject: Fourtrak Boost
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Just a quick question when should a fourtrak be boosting? what rpm?
what adjusts this?
and also what does adjusting the star wheel do?
cheers 
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Xpajun
Mud Obsessed
Joined: 22 Sep 2008
Odometer: 3245
1988 Mitsubishi Shogun
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| Posted: Mon Mar 28, 2016 7:16 am Post subject:
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If you're talking turbo then a turbo becomes effective (that is produces boost) when the engine reaches around 2000 revs
There is no adjustment to control this
If you want boost below this figure the bolt on a super charger  
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mike328
Articulating
Joined: 10 Dec 2014
Odometer: 793
Location: Suffolk!
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| Posted: Mon Mar 28, 2016 11:07 am Post subject:
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the star wheel is one of the adjustments for on boost fuelling.....
in layman's terms, the more boost that's fed to your fuel pump, the more fuel it sends to your engine...
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Snap On: Turning drawers into status symbols since 1920. |
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zukmeista
Just got MTs
Joined: 21 Dec 2007
Odometer: 176
Location: WHANGAREI,N.Z
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| Posted: Mon Mar 28, 2016 11:08 pm Post subject:
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| I have had a few, usually 10psi by 2300rpm. Up the fuel and fit a SPAM pipe and you will get that down to about 1800rpm.
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