Dear MG enthusiasts,
Recently I purchased the much appraised MGB K&N filter set to swap
for the standard pancake filters on the double HS4 setup. (the
'standard' setup for a B!)
I bought them from MOSS and the vendor told me that probably, since
the air flow would be less restricted, I'd to install new, richer,
needles as well, otherwise the engine could be running too lean.
I figured that I would notice it immediately if this was the case.
Well, the filters are installed right now, and the engine is running
fine, at least I think so. I even tried driving at top speed to see
if the engine would hold back a little at high revs and power. Well,
at 110 mph (indicated), I decided that this was not the case.
The question is, even if the engine runs OK, could it be running too
lean so that it will damage the engine in the end? Or, to put it in
another way, how do I notice it if the fuel mixture is too weak.
Oh yes, I am using 1,5" SU HS4's with FX (not No:5) needles, standard
exhaust manifold, and a single box SS exhaust (Falcon).
Thanks,
Bert 'too much worries?' Otten
'66 B
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