Thanx Dattoman, I have found stainless race valves that are 40mm, 8mm stem diameterwithout collett grooves, I think I will buy these and cut them down to a suitable length and size.... I also will have to change the valveguides to copperbronze ones!! I was hoping to find premanufactured valves for my engine to save some time but maybe they are impossible to find!!

If I can

Where can I find 39mm intake valves and 32mm exhaust valves for my A15 cylinder head. I can

I would go go for the A12GX head and fit bigger valves in it..... It

Thanx guys, I will port a A15 head soon....... I will post the flowfigures when it

Where are every a-series gurus herearound , have you all switched to CA18DET or haven

What size valves have you got there?? Was the head flow-tested before portjob?? Bye the way, Nice car and engine setup!!

Does anybody know how much a original A14 head (oval intake ports but not GX) flows. I am also interested in what flow figures/results you have got out of your modified cylinderheads. I will try to get as good flow as possible with stock valves, because it

Hello everybody, does anybody know if the original Datsun tachometer works together with the MSD 6AL ignitionbox/system. What do you guys think about MSD ignitions, are they worth the cost?? Because I am turbocharging my engine I am in need of more sparkpower and I also need a revlimiter so for me the MSD 6AL is the perfect choice!!

Can anyone explain to me what