The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Putting booster on 66 drum brakes driving me crazy

geezer#99 · 10-18-2014, 11:54 PM

You don't have enough engine vacuum to make the booster work. Might need a vac can or a vac pump.

10-18-2014, 11:54 PM	#2
geezer#99 Registered User Join Date: Aug 2009 Location: Bowser Posts: 13,519	Re: Putting booster on 66 drum brakes driving me crazy You don't have enough engine vacuum to make the booster work. Might need a vac can or a vac pump.