HPI Savage, stock exept for all enw electronics, a rear pickup tank, fuel filter, new spur gear new tyres new dogbones, dam thing is costing me a fortune so i just chucked it in a box and threw it up in the attic where it can sulk and rust away...

anyway, has anyone used a OS 8 plug in any 40 engine? will it be ok on 5% nitro 20% oil? (16% Snyth 4% Castor?)