Avgs & 100 octane fuel IS worth a few more horses IF you have 10.5:1 comp AND run a lot of ignition advance, waste of time in a stock 8:1 engine with factory timing IMHO and experience - a lot of boy racers chuck a heap of avgas in their stock Mitsantoya and will tell you "gives it a heap more grunt" ( key to TUI ad, "yeah right")Originally Posted by XJ/FROSTY
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