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dwcsr · 07-17-2009, 06:21 PM

Most all the newer holleys have that back fire valve installed at manufactue. If its a 10 year old carb it may not have it or it may not have made it into the new carb. They will still blow out under bad back fires

07-17-2009, 06:21 PM	#221
dwcsr Hollister Road Co. Join Date: Apr 2005 Location: Houston Posts: 6,134	Re: Project "Tracy Lee" 59 Apache Most all the newer holleys have that back fire valve installed at manufactue. If its a 10 year old carb it may not have it or it may not have made it into the new carb. They will still blow out under bad back fires