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Old 01-26-2004, 22:58   #1 (permalink)
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Adjustable boost on supercharger?

hi, i was just curious if it is possible to have an adjustable boost setup on a supercharged engine? & if so how is it achieved?
Thanks.
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Old 01-26-2004, 23:31   #2 (permalink)
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Re: Adjustable boost on supercharger?

the capa kits are set at 9psi

to adjust this all you would need to do is put a smaller pulley on the front of it - which would make the blower spin faster - therefore more boost
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Old 01-27-2004, 00:44   #3 (permalink)
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Re: Adjustable boost on supercharger?

hehe cheers, thanks for that mate.
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Old 01-27-2004, 02:30   #4 (permalink)
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Re: Adjustable boost on supercharger?

yes it is possible ,but the arrangment would look ugly using and variable speed drive belt assembly as used in industry.would have to be mechanically operated.
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Old 01-27-2004, 04:27   #5 (permalink)
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Re: Adjustable boost on supercharger?

The other way is to stick on a really small pulley to spin the absolute shite out of it then set up a controller of some type to pulse width modulate a valve/vent to vent off the excess pressure. This works well on centrifigal blowers to get more low down boost.
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Old 01-27-2004, 04:41   #6 (permalink)
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Re: Adjustable boost on supercharger?

pretty sure vortec make a venting excess valve of some sort, uses comp management to work though and prolly costs a packet!!!
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