What seat angles do you use for a valve job on 8445 heads?

[PHANTASM]

just wondering what people are using to get the most flow especially at low lift.

i have used a regular 3 angle and acchieved some decent numbers.


i have a 5 angle but dont think it would help much on these heads.

 

[Nick Micale]

A 5 angle job will not last long at all, we have used 3 angle for years with great success.

 

[Mike Licht]

High flow valve jobs with narroow seats look good on the beanch but do not last with these motors. They need wider seat widths especially on the exhaust if they are going to last
Mike