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cutting out when accelerating

To: "mgs" <mgs@autox.team.net>
Subject: cutting out when accelerating
From: "mgb owner" <65.mgb@texan.dk>
Date: Tue, 18 Mar 2003 06:09:56 +0200
Hi,

i'm a very poor excuse for a mechanic..
last touring season (mine is a warm sunshine only car) every once in a great 
while it would miss.....maybe while driving it would just suddenly skip a beat, 
maybe two and then purr on..

i put in new plugs, new points, new condenser, new coil, new wires and set the 
dwell and timing as best i could to spot on..

it was running pretty good, but still once in maybe 20 minutes or so, it would 
just 
drop a beat..

last week the weather was fine for a top down tour and it cranked 
easily....idled 
smoothly...and accelerated smoothly (i have very light foot during warm up)...

after gingerly allowing her to warm and loosen up and while cruising at about 
60 
in 4th gear i dropped down to 3rd punched the throttle--it was horrible...

no coughs or backfire, but just missing like the dickens and the tach gyrating 
wildly up and down...

drop the throttle back to a cruise position and it smoothed out...goose it a 
little 
and it misses LOTS of beats..

i don't have "Sun" machine to do the analysis i think i need, and i don't wanna 
go 
out and buy all new parts again--i figure it is an adjustment needed...or 
something somewhere not grounding right, or all the time...or maybe the carbs 
need help...

where should i start?
oh...i don't how i let it happen but i put her away last fall without a full 
tank of fuel 
(might it be water?....i tend to wonder if the tach jitters indicates an 
ignition/electrical problem..)

thanks in advance,
65.MGB in Denmark

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