Hi, I would to know what should I do more to get better fuel mileage with my .28 engine (exactly it's SH .28 P8 engine).
So far i have done:
- gas cooler
- O.S. 2060 pipe
- some sleeve and crankshaft mods (ports enlarged and glass polished)
I have reached 8 minutes race runtime on mid-open track. I've heard that adding a shim under the head can help - is it true? What else can I do to get my runtime longer?
