Purple Haze Well-Known Member Joined Apr 5, 2010 Messages 2,175 Reaction score 116 Location AridZona Mar 3, 2011 #1 anyone know if you can use hardened valve seats on the 906 heads with the big valve mod, (2.14 - 1.81) ?
anyone know if you can use hardened valve seats on the 906 heads with the big valve mod, (2.14 - 1.81) ?
M moper Well-Known Member Joined Dec 27, 2004 Messages 15,907 Reaction score 2,522 Location eastern CT Mar 3, 2011 #2 You can use whatever seats you want. They only go into the exh side. I've run 2.18 intakes with exhaust seats for 1.81s. No problem.
You can use whatever seats you want. They only go into the exh side. I've run 2.18 intakes with exhaust seats for 1.81s. No problem.
Purple Haze Well-Known Member Joined Apr 5, 2010 Messages 2,175 Reaction score 116 Location AridZona Mar 3, 2011 #3 Cool, thanks Moper that's what I needed to know.