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Location:
Bundaberg, Qld.
Registered:
May 2002
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 help needed: crank pulley dia = boost?
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Fri, 25 October 2002 23:53
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 ok, since i am not using my s/c, i am putting it on my mates VW buggy  , i only want to run 5 psi...
is there a formula or something that i can use to figure out what size crank pulley diameter is needed to only run it at 5 psi???
any help would be appreciated as he has someone ready to mill a crank pulley for him out of aluminium, which will have the standard VW crank and the one for the s/c in one piece...
thanks.........
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Location:
Montrose, VIC
Registered:
May 2002
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Re: help needed: crank pulley dia = boost?
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Sat, 26 October 2002 14:18
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Hey, I put a 1g blower on my VW buggy 
Hard one to work out quite, which VW engine is it, whats done to it?
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Location:
Perth
Registered:
July 2002
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Re: help needed: crank pulley dia = boost?
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Sun, 27 October 2002 09:29
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Roughly 145mm - 150mm diameter crank pulley will probably do.
I guess VW motor will be running around 5500rpm??
http://homepages.tig.com.au/~robs/4agze.htm
Explains a bit.
A mate builds various hot VW donks, latest one is 2.2 water cooled with an Eaton bolted straight on at 12 psi so far. Goes pretty well!!
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