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Reply to "Shaping 550 Fenders..."

chines1 posted:

@DannyP Yes, Pat said my -8AN breather wasn't big enough and he wanted at least -12AN so I said "eff" it and blew a 1" hole in the back of the breather can...  just put the screen there to prevent anything from getting in.

If bigger hose is used then airspeed on the way up to the breather container can get slow enough that the oil starts falling out of suspension before it even reaches the can. Gordon found this when he went from 3/8 to 5/8" breather hoses on his car, which has almost 3 times the volume of 3/8" hose. The hose itself becomes a useful part of the crankase volume.

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