Reply to "Octane Booster"

1973ufoTeam Pantera Participant at Sandhills Open Road Race - August 2008, 2009, 2010, 2011, 2012, & 2013

After an engine rebuild about 5 years ago I also was experiencing some pinging. I was shooting for 10.5-1 compression with a set of closed chamber heads but we must have gotten a little more after all was said & done. For quite some time I just mixed about 25% of 110 octane racing gas with our 91 octane pump premium & that stopped the pinging under all conditions. About a year ago I installed an MSD variable timing control on my 6AL ignition & now can just retard my timing on the fly and it works like a champ. Makes me a lot less apprehensive about damaging the engine on some of todays "crap" gas

8/9/0712:08 PM

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