The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Got new intake manifold gasket...do I need the "heat riser restrictor"?

*1972C10* · 02-12-2004, 09:42 PM

You can run more timing on a non heated intake Some gasket kits acutally come with the things to block the center ports off .

Mr gasket sells some gasket with a printed seal that do not have a hole in the center

02-12-2004, 09:42 PM	#4
1972C10 Account Suspended Join Date: Dec 2003 Location: Texas Posts: 2,686	You can run more timing on a non heated intake Some gasket kits acutally come with the things to block the center ports off . Mr gasket sells some gasket with a printed seal that do not have a hole in the center