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

gmc1971harwich · 02-22-2010, 11:12 PM

i think i might throw my rams horn exhaust manifolds back on and ditch the headers. there crusty anyways. do i need to run a heat riser of the bottom of the drivers side manifold? or can i just leave it off.

02-22-2010, 11:12 PM	#16
gmc1971harwich Registered User Join Date: Nov 2008 Location: Cape cod, ma. Posts: 394	Re: stock valve covers 1967 327 i think i might throw my rams horn exhaust manifolds back on and ditch the headers. there crusty anyways. do i need to run a heat riser of the bottom of the drivers side manifold? or can i just leave it off.