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PKRWUD · 10-27-2002, 07:16 PM

I believe the round one is for your heater controls and the other is a reserve for your vacuum controlled devices (ie: brakes). I'd keep them both. In fact, i install aftermarket vacuum cans for customers with big cams quite a bit.

Take care,
~Chris

10-27-2002, 07:16 PM	#2
PKRWUD Junior Member Join Date: Mar 1999 Location: Ventura, California Posts: 8,981	I believe the round one is for your heater controls and the other is a reserve for your vacuum controlled devices (ie: brakes). I'd keep them both. In fact, i install aftermarket vacuum cans for customers with big cams quite a bit. Take care, ~Chris __________________ Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local RED & WHITE!