09-23-2008, 04:32 PM
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#1
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vacuum block fittings
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Naturally Aspirated
Join Date: Jan 2003
Location: MA
My Ride: 91 shelby daytona
1/4: 0.000
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I bought a vacuum block from fwd and having issues finding fittings that fit. The bigger ones are 1/4 but the smaller ones i figured would be 3/8 but i tried hand tight a few and they only seem to fit about 1/4 the way before i would have to start reeming on them. I had a metric size that fit perfectly from a pneumatic set but i don't think they make metric sizes for the fittings.. So i'm guessing the 3/8 are suppose to just be tight to help prevent leaks? Their site says there 1/8? ummm....why does it say that?
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