porting and polishing benefits?

John · 09-16-2001, 09:59 PM

I just did my stockers 2 wks ago along w/ cam and intake. I did all port work my self. If I were you I would definatly gasket match the intake to heads, polish the exhaust sides of the heads, and upper to lower ports(polished as far as possible into them). As far as numbers you can get 15-20 hp out of a basic port polish (gasket match, thermactor bump removal, chamber polish) oh BTW dont nick the exhaust valves, at least on stocker heads, I did and had to replace them. You probably wont get far enough into the intake sides to worry about nicking the valves. I have some pics of my port job if you wanna see them (intake and heads). John

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89 Notch: ASP Pullies,
K&N Air,Transgo shiftkit,Trans. cooler,FMS 3 core , FMS 4:10's, 1.5" cowl, cold air kit, hooker shorties(jet hot coated), O/R H-Pipe, ASP solid mounts, Energy Sus. Trans. Mnt. BBK 70mm TB, MSD 6al, Dual elec. fans, 5.0 Firepower Kit, Scorpion 1.6 RR's, Flowmasters, 73 mm MAF, cobra intake and crower #512 cam,

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09-16-2001, 09:59 PM	#1
John Registered Member Join Date: Dec 1998 Location: Ft.Myers, FL. Posts: 150	I just did my stockers 2 wks ago along w/ cam and intake. I did all port work my self. If I were you I would definatly gasket match the intake to heads, polish the exhaust sides of the heads, and upper to lower ports(polished as far as possible into them). As far as numbers you can get 15-20 hp out of a basic port polish (gasket match, thermactor bump removal, chamber polish) oh BTW dont nick the exhaust valves, at least on stocker heads, I did and had to replace them. You probably wont get far enough into the intake sides to worry about nicking the valves. I have some pics of my port job if you wanna see them (intake and heads). John ------------------ 89 Notch: ASP Pullies, K&N Air,Transgo shiftkit,Trans. cooler,FMS 3 core , FMS 4:10's, 1.5" cowl, cold air kit, hooker shorties(jet hot coated), O/R H-Pipe, ASP solid mounts, Energy Sus. Trans. Mnt. BBK 70mm TB, MSD 6al, Dual elec. fans, 5.0 Firepower Kit, Scorpion 1.6 RR's, Flowmasters, 73 mm MAF, cobra intake and crower #512 cam,