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Engine + Driveline / Small valve stem E36 head...
« on: December 09, 2013, 03:24:56 PM »
Hi guys,
I'm having my race engine refreshed at the moment. All my exhaust valves were bent on the head I have fitted so have taken a set from a spare head. I have also discovered that one of the heads I have has the valves with the smaller stems. I'm thinking that as an upgrade for next winter I'd like to save up and get some proper head work done. Is there any advantage to using the head with the smaller valve stems, to with help flow (less of an obstruction) or is there little difference or gain to be had?
TIA
I'm having my race engine refreshed at the moment. All my exhaust valves were bent on the head I have fitted so have taken a set from a spare head. I have also discovered that one of the heads I have has the valves with the smaller stems. I'm thinking that as an upgrade for next winter I'd like to save up and get some proper head work done. Is there any advantage to using the head with the smaller valve stems, to with help flow (less of an obstruction) or is there little difference or gain to be had?
TIA


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