Gas boiling

lou3500 said
I had the same problem with my 66 with a 273 added a 1/2 inch [phenolic] spacer it cured it,but now i'm having issues again the spacer is about 2 1/2 years old could be soaked plus the crappy gas, i'm buying non ethenol high test here tried a small amount last time but this time i'm gonna go for a full tank see what happens.

Robb said
Yep, crap gas is the issues... A 1/2 inch phenolic spacer cured the problem on my 340.

lou3500, Let me know how that works out. A buddy of mine told me that there are three (3) places to get non ethenol gas in Hillsborough County.

Robb, I had to add a spacer to the 318 and it solved the problem but with the M1 intake there isn't enough room for a 1/2 inch spacer. I will try a 1/4 inch.