ever since the temperature has dropped here in illinois, my 350 crate motor occasionally backfires through the carb. it's been particularly bad lately since it's getting cooler. once it warms up it's better and eventually goes away when the engine is hot. what kind of adjustments should be made for cold weather driving? i've heard your suppose to advance or retard the timing some. thanks.
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Rich
70 Chevelle
http://www.ews.uiuc.edu/~rguerra
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Rich
70 Chevelle
http://www.ews.uiuc.edu/~rguerra