Quote:
Originally Posted by John LaVoy
Mark,
We had a problem with vapor lock coming back from Texas. You didn't say where you were having the problem, but in some states, CO being where we had the problem. The fuel mix included quite a bit of ethonal and lower octaing rating. That along with higher temperatures it was around 90 degrees I think, it causes the fuel to boil and creates the vapor lock. The solution we found was to switch to premium grade fuel. Ended the problem for us. We wrote this up in the Model A Times when it happened.
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I am in chicago and it was about 92 that day, i have been told by many to switch the gas in the summer to a higher octane for that reason also. Thanks