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Help! Low end stumble

To: Spridget List <spridgets@autox.team.net>
Subject: Help! Low end stumble
Date: Sat, 26 Feb 2005 10:37:36 -0500
User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)
Looking for some help with an annoying problem.

The patient:
1971 Midget 1275, 30 over, Kent 256 cam, hi flow oil and water pumps. 
1967 spec SUs (crankcase vents though PCV into manifold rather than 
directly to carbs as on a stock '71 setup).

The problem:
Stumbles badly starting out from a standstill. Worse when cold, but 
problem exists when at operating temp. Stop at a light or such, hit the 
gas to start out and it stumbles, nearly dying at times. Have to really 
nurse it to get going. Starts easily, even in cold weather. Runs strong 
and smooth once it gets moving. Idles fine.

Any ideas? The carb mix seems OK just reading the plugs, but the problem 
seems carb related. First thought is that maybe with the bored out 
cylinders the needles might be to lean just off idle? Ignition 
components are pretty new - cap, wires, points, condensor, coil all 
within 2000 miles or less.

Thanks!

Eddie
'71 Midget - Bebop



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