Question by victorschool1: Gas saving gadgets or modifications, anyone know what, if any, really works.?
I read about taking a glass mason jar and running some gas vapor through it (through some copper coated BB’s) and to the manifold? Also read about magnets. Never tried anything, anybody have good/bad experience? What ever happened to the 100 mile per gallon carburator stories?
Best answer:
Answer by hsueh001
Mythbusters showed they were all false.
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