No oil in the dashpots of your friend's non-idling car, I assume. I would
think that would damp out the oscillations adequately. I know some run with
the dashpots dry and/or the pistons removed from the damper rods but I imagine
those individuals are not after a slow idle speed.
Duncan
1952 Morgan Plus 4
Red #6
On May 25, 2013, at 6:56 PM, Christopher Bock wrote:
> Look into the throat and see what the gap between the dash pot(?) and the
base
> is while running between both carbs. They should be close to even. If they
> are then check to see if there is any fuel coming to the jet in the front
> carb. To me it seems that the front carb isn't working.
>
> I had fixed a friends dual carb where after idling a while he couldn't get
any
> throttle at all. He had to shut the car off, restart, then quickly
throttle
> the car. Basically he had the idle speed too low and the dash pots(?) were
> bouncing up and down so bad that giving throttle did nothing. Quick fix
at
> the start line was to stick my finger in the throat and stop the bouncing.
>
> Chris
>
> On May 25, 2013, at 9:56 AM, "Terry Stetler" <tlizzard@msn.com> wrote:
>
>> Old age and treachery beat youth and inexperience every time.
>>
>> Terry Stetler
>> ----- Original Message -----
>> Sent: Friday, May 24, 2013 9:04 PM
>> Subject: [Fot] What do YOU think?
>>
>>
>> I posted this on the Spridgets list. Not Triumph related, but the
>> principles involved
>> are not marque specific.
>>
>> mjb.
>>
>>
>>
>> You may have seen my post on Facebook about the Midget with the loose
>> carbs.
>> Fixed that, still having trouble.
>>
>> So Ricky is Mike's full time mechanic, I just get called in once in a
>> while for odds
>> and ends. Ricky went to tech school, learned a lot, great worker,
>> smart kid. I've
>> been working on LBCs longer than he's been alive. We had a minor
>> disagreement
>> today.
>>
>> So this rough running Midget with the 1275, dual SUs. Put your palm
>> over mouth
>> of the front carb, the idle speeds up and smooths out. Put your palm
>> over the rear
>> carb, engine stumbles and dies.
>>
>> I won't offer who said what about that indication, what do YOU think?
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