Nick,
Was out of town for weekend, just starting to look at mail, have about 226
to wade through....Anyway, carbs other than cleaning, are an area I have not
experimented much at all with, haven't add any real problems either so sorry
Ican't be of any help!
Safety Fast!!
Ross Overcash, 74B, NAMGBR 2-1172, Ayer, MA
http://www.tiac.net/users/jroverca/index.htm
> -----Original Message-----
> From: Nick Coleman [mailto:coleman@sd.aonix.com]
> Sent: Saturday, July 04, 1998 8:46 PM
> To: MG Mailing List; RossOvercash
> Subject: Carb Question
>
>
> Ross,
>
> I'm having a problem with the 73B. Idles fine and runs great at
> upper RPMs
> (above 2500). But when I give it gas below 2000-2500 RPM, it stumbles
> (e.g., when I'm accelerating from a stop).
>
> The valves gaps and the spark plug gaps are correct.
>
> At idle (around 1200 rpm), the balance meter (Unisyn) shows the
> air flow to
> both carbs to be equal. However, I looked at the carbs (SU HIFs) and
> noticed that the pistons don't open up at the same rate. The Carb for
> cylinders 3 & 4 opens its piston before the other Carb.
>
> The Chiltons manual discusses carb adjustment via the "Throttle
> interconnection clamping levers". Says if the balance is off by more than
> 1/2" at above idle RPMs to adjust the slower carb.
>
> Am I looking in the right area? If so, is there anything to what out when
> making the adjustment. (Haven't messed with SU carbs, so want to
> make sure
> before diving into it -- although they look fairly simple.)
>
> Or, should I look at something else first.
>
> Thanks in advance,
>
> Nick
>
>
>
>
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