Jul 12, 2006 #1 S steveX Banned Joined May 4, 2002 Messages 743 GM 3800 series II/III (L67/I32) PORTED exhaust manifold, help reduce KR and gain HP when using smaller S/C pulley. $100 + shipping.
GM 3800 series II/III (L67/I32) PORTED exhaust manifold, help reduce KR and gain HP when using smaller S/C pulley. $100 + shipping.
Jul 15, 2006 #2 6 6-b-kwik getting back in it Joined Oct 21, 2001 Messages 1,348 are they coated?? what would be better TOG"S or PEM's thxs greg
Jul 15, 2006 #3 S steveX Banned Joined May 4, 2002 Messages 743 T.O.G will be a hell alot better @$900+. I coat the PEM with POR-13 cast Exhaust manifold paint NO promise on paint (1800 deg)
T.O.G will be a hell alot better @$900+. I coat the PEM with POR-13 cast Exhaust manifold paint NO promise on paint (1800 deg)