Not Ranked
I used to use Toluene in my Pantera with good results. I needed a boost in octane because I had installed an 11.6:1 CR BOSS 351 engine in the car.
At one time, I was using over-the-counter octane boosters. I was having trouble with the 3-deuces on the car, and when my carb guy took them apart, he said "you're using octane boosters, aren't you?" He could tell by the deposits inside the carbs. That's when he told me about Toluene. I started using Toluene after that, and didn't have any problems. I would use 1 gallon of Toluene with 19 gals of gas - so about 5%. It seemed to be enough to get the BOSS to stop pinging.
I have basically the same engine in my Cobra. When I first got it running, the CR was so high it would only run (without detonation) on race gas. I had the combustion chambers opened up on the heads, and can now get by on a 50/50 mix of pump gas and race gas. These days, I feel a lot better about paying $3.95/gal for 110 octane than I do about paying $1.95 for 92 octane.
Besides....I like the smell of that 110 stuff coming out of the exhaust!
regards,
cobrajeff
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