I've never heard of what you're talking about before. Are you saying
that mogas starts to go bad after a WEEK?

Summer gas v winter gas? (different vapor pressures)

http://www.epa.gov/otaq/volatility.htm

Remember that autogas does not have the stabilizers that avgas has.

http://www.chevron.com/products/prod...ationfuel/8_ag
_perf.shtm

http://www.chevron.com/products/prod...ationfuel/11_a
g_refining.shtm

www.eaa.org/education/fuel/autogas_vs_avgas.pdf

http://www.avweb.com/news/maint/187232-1.html

http://www.generalaviationnews.com/e...lasso?-token.k
ey=8901&-token.src=column&-nothing