The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

66CHEV · 10-15-2013, 02:15 PM

good point nomad and that thought crossed my mind but the heat riser in mine is rusted and stuck all the way open. however, it does make me wonder if the muffler may possibly be slightly clogged.

10-15-2013, 02:15 PM	#25
66CHEV Registered User Join Date: Oct 2007 Location: Western Kentucky Posts: 85	Re: Cant drive 55 Literaly good point nomad and that thought crossed my mind but the heat riser in mine is rusted and stuck all the way open. however, it does make me wonder if the muffler may possibly be slightly clogged.