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#1
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Pulley Size?
I must apologize
It has been a long time since my last confession.Ha! What size pulley is best for my P fan??( original Porsche 11blade)I have been thinking either CSP (140mm??) or BAS has two. Race and regular. The reason is, I was thinking I could get the same year 911 pulley as my fan,have it machined the for the crank hub and they should be great together!...... about 116mm .....at first i was thinking that was small, but if thats the size porsche made them . Would overcooling by my issue??? The summers are hot and humid here in Japan. Very little expressway driving(there aren`t any FREEways here!) Lts of stop and go traffic Cheers to all |
#2
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i can measure my pulley tonight as the 2600cc type iv is on the floor in my workshop ( i have the csp cut down porsche fan)......too small a pulley and your mota will get hot hot hot
NUTTA |
#3
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my lower pulley is 145mm dia
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#4
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Mine too. About 1.5-1.6 ratio works well for most occasions is my experience so far. Less then 1.5 in a street car might not cool well in commuter/street driving rpm's (2000-3000rpm)
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#5
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i find even my cut down csp style fan cooled my old 2058cc turbo really well......i hope its the same for my shiny new 2600cc
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