I'd say mis-matched carbs is likely to cause insurmountable problems, you
are very unlikely to get then delivering a balanced mixture throughout the
rev range, and balance is everything. I can't see a reference to AUC carbs
ever having been fitted to the MGB, so even with a matched pair you may be
on a hiding to nothing.
PaulH.
----- Original Message -----
> I might have found part of what could be making this frustrating. On the
carb bodies that attach to the manifold, there is a number stamped which is
usually covered up by the piston. One carb says AUC 1300 in big digits, and
the other says AUC 1384 in smaller digits and in a slightly different
location. Could I be dealing with a mismatched set? Is a mismatched set a
big problem?
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