Quote:
Originally Posted by IGoFast1589
Backfires come from a rich mixture, Dackel...
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That is a myth - I believe.
I have had some tuning experience with SW tuning (on Volkswagens and Porsche's)many years back, in the early 1990's. Most of the time a popping back fire is from running too lean a fuel mixture. I know common sense says its must be too rich of a mixture... but it is more common for it to be from a lean mixture.
Dackel