Cold weather-my a/f leans out too

[-HIC-]

Of course this afternoon with the warmer temps and running straight meth, my AFR runs back down into the mid 10's! I guess that's better than the alternative!!

Actually this is not really true. Running to rich can cause cylinder wash then comes ring damage.
B

[ducky]

Actually this is not really true. Running to rich can cause cylinder wash then comes ring damage.
B

lol the alternative being leaning out an going kaboom