Evidently, Mark's having some problems sending to the list - please reply to
him at mark.dawson@bones.org, as my '78 B has an entirely different set of
problems. (:
Cheers,
Derek
> -----Original Message-----
> From: Mark Dawson [mailto:mark.dawson@bones.org]
> Sent: Wednesday, 27 February, 2002 17:13
> To: Derek Vandivere
> Subject: New stuttering - 1975 MGB
>
> Hi Dersk, can you forward this to the MG list? I just changed ISPs and the
> MG list won't accept mails from me b/c of the address discrepancies.
> Thanks.
>
> -Torch
>
> =+=+=+=+=+=+=+=+=+=+=+=+=
> The sttttutterer is a 1975 MGB with dual SUs. Has been running pretty well
> all winter (top down!). Was backfiring through the carbs, I adjusted the
> timing and mixture and that about went away, and it drove ok for quite a
> while.
>
> A week or so ago it started stuttering, mostly accelerating from 2000-2500
> RPM, primarily noticeable in 2nd and 3rd. Next trip it was noticeable in
> all gears, and persisted while cruising in 4th, i.e. the problem got worse
> quickly. It seemed, based on a spark plug inspection, that maybe the
> mixture was very lean, which it appears to have been (side question: why
> does my mixture change without me doing anything?!?) but enriching the
> mixture didn't solve the problem. I also topped up the dashpots with their
> special oil.
>
> On a hopefully unrelated note, I find black wet soot coming out of the
> tailpipe occasionally. I had hoped this was just condensation mixing with
> black soot, but in light of this stuttering I am wondering if it is
> something more sinister. No, I have not done a compression test - need to
> buy a gauge and do that - but are there any other things I should look at?
>
> And what do I tell my girlfriend, who claims the problem is entirely
> because I bought a VW Bug, and the MG is just jealous?
>
> Thanks for the impending wisdom!
> -Mark
>
> PS, what do you all get for gas mileage? Is 24mpg ok, or should I be doing
> better? What can one do, aside from driving habits, to improve this
> number?
>
> __________________________________________________
> Mark Dawson
> General Manager
> The Roundtown Cafi http://www.roundtowncafe.com
>
> 234 N. Court St., Circleville, Ohio, 43113
> 740-474-8666
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