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DIY head porting question

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Old 12-11-2013, 05:21 PM
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Default DIY head porting question

Doing mild port work on a set of 243 heads. How much material is on the long side between the seat and guide on the exhaust port. Looks like a lot could go away but thought I'd ask.
Old 12-11-2013, 09:42 PM
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The 243 head is already such a great flowing head that most people that DIY
them just blend the bowls and streamline the exhaust guide boss. On the IN
side they knock the rocker boss out and the swirl ramp next to the guide as
well as blending the bowls. All this and a quality valvejob wil typically add 20
or so cfm to a head that already flows 260/190...remember to NOT polish the
intake runner smooth.
Old 12-11-2013, 11:16 PM
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77D8C6-8206-0000055FDCA1D256_zps97991440.jpg[/IMG]





Old 12-12-2013, 08:53 AM
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That looks gooooood
Old 12-12-2013, 09:44 AM
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I have another set for sale ... lol The diy heads I did ended up 303 in 206 exh @ .500 at 224 cc on the intake 84 cc on the exhaust with stock seats and guides without any chamber porting..
Old 12-12-2013, 11:24 AM
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Originally Posted by xRaTeD
I have another set for sale ... lol The diy heads I did ended up 303 in 206 exh @ .500 at 224 cc on the intake 84 cc on the exhaust with stock seats and guides without any chamber porting..

How much? Will you take a stock set of 243's on trade?
Old 12-12-2013, 11:31 AM
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Those heads look good
Old 12-12-2013, 12:19 PM
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I take cores only problem is I ussually get them for around. 150-200
Old 12-12-2013, 01:50 PM
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Originally Posted by xRaTeD
I take cores only problem is I ussually get them for around. 150-200
How much for the heads you are selling?
Old 12-12-2013, 02:55 PM
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it depends if you want me to have the valve job and have the heads milled but around 650.00$
Old 12-12-2013, 09:21 PM
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Thanks crated. That one pic helps on the exhaust. Where did you get your stones with long shank.
Old 12-12-2013, 11:16 PM
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goodson
Old 03-25-2015, 09:07 PM
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Originally Posted by xRaTeD


77D8C6-8206-0000055FDCA1D256_zps97991440.jpg[/IMG]





http://youtu.be/8yMf7ccNluU
what are the purpose of the sanding stones



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