Not to steal the thread, but my question seems like it may be similar to the OP's----my 3.2 seems to run a bit richer and smoke a bit more during the warmer parts of summer, yet leans out during wintertime.
WTF?
P.S.----I don't think this has anything to do with the SW chip. But I suppose I could yank the DME for the eleventy-seven bazillionth time and put the stock chip back in, and do an "empirical data" study.
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STONE
'88 Cabriolet, using EP Slick 20w50 partial synthetic Snake Oil...just as Rommel intended.
Deny Everything; Admit Nothing; and Always Make Counter-accusations