Port and Polishing Stock Heads

vipereater86 · October 22nd, 2006, 01:32 AM

im on a limited budget and i have a friend who works at a machine shop and is willing to to my heads for free, all i need is the specifications for the heads so he can do this for me, if anyone could help it would be appreciated.

1slo5.0 · October 22nd, 2006, 01:42 AM

Does he know how to port E7 heads and make them flow or does he just work at a machine shop? I wouldn't let him get too carried away if he hasn't successfully ported (and flowed) E7s before.

Tony_90fox · October 22nd, 2006, 02:10 AM

welcome to the site though! I agree with Darrell. Make sure the guy knows what he is doing when messing with this stuff. it isn't something you want to do poorly because then you will have to spend money with getting new heads.

vipereater86 · October 22nd, 2006, 08:47 PM

well im not exactly sure if hes done E7 heads but he has done work to his own cars and they have ran properly, what i need is the spec so he can put them into the computer and let the machine do the work

1slo5.0 · October 23rd, 2006, 10:59 AM

Originally Posted by vipereater86

well im not exactly sure if hes done E7 heads but he has done work to his own cars and they have ran properly, what i need is the spec so he can put them into the computer and let the machine do the work

A CNC machine? A CNC machine needs a program which is developed from actually porting a set of heads.

JBIGBOOTSY · October 23rd, 2006, 07:55 PM

you can do it yourself. get a roto-zip, 4" shank length carbide bit , cartrige rolls, and cross buffs. All of these can be bought at Standard Abrasives. Grind down the air humps (exhaust) pushrod pinch points (intake), and open up all short side radius, (the inside of all bends). Leave the floors of the ports alone and knife edge the valve guides. finally gasket match it. then sand smooth, then the crossbuffs will really smooth it . Dont expect too much of a gain, mabe 210-225 cfm maxx!!!

October 22nd, 2006, 01:32 AM	#1
vipereater86 Newbie Join Date: Oct 2006 Location: Indiana Posts: 11 iTrader: 0 reviews	Port and Polishing Stock Heads im on a limited budget and i have a friend who works at a machine shop and is willing to to my heads for free, all i need is the specifications for the heads so he can do this for me, if anyone could help it would be appreciated.

October 22nd, 2006, 01:42 AM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Does he know how to port E7 heads and make them flow or does he just work at a machine shop? I wouldn't let him get too carried away if he hasn't successfully ported (and flowed) E7s before. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

October 22nd, 2006, 02:10 AM	#3
Tony_90fox Banned Join Date: Jun 2006 Location: Bowling Green, KY Posts: 3,803 iTrader: 0 reviews	welcome to the site though! I agree with Darrell. Make sure the guy knows what he is doing when messing with this stuff. it isn't something you want to do poorly because then you will have to spend money with getting new heads. __________________ [SIGPIC][/SIGPIC] [B][U]MM Sapper Squad[/U][/B] [QUOTE=Regency 2007;1676187]MSO's stupidity has never stopped amazing me since the day he joined this forum.[/QUOTE]

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October 22nd, 2006, 08:47 PM	#4
vipereater86 Newbie Join Date: Oct 2006 Location: Indiana Posts: 11 iTrader: 0 reviews	well im not exactly sure if hes done E7 heads but he has done work to his own cars and they have ran properly, what i need is the spec so he can put them into the computer and let the machine do the work

October 23rd, 2006, 07:55 PM	#6
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	you can do it yourself. get a roto-zip, 4" shank length carbide bit , cartrige rolls, and cross buffs. All of these can be bought at Standard Abrasives. Grind down the air humps (exhaust) pushrod pinch points (intake), and open up all short side radius, (the inside of all bends). Leave the floors of the ports alone and knife edge the valve guides. finally gasket match it. then sand smooth, then the crossbuffs will really smooth it . Dont expect too much of a gain, mabe 210-225 cfm maxx!!!

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