[Mgs] Bad Fuel Question

David F. Darby ddarby at centurytel.net
Tue Jul 23 09:03:43 MDT 2019

A failed condenser stopped my MGB on the highway once.




On 7/22/2019 1:18 PM, Max Heim via Mgs wrote:

How do bad condensers cause rough running? All they do is prevent the points
from burning. Oh, you are saying the points are burnt. 



Max Heim

'66 MGB




On Jul 22, 2019, at 11:10 AM, i erbs via Mgs <mgs at autox.team.net> wrote:


could also be a bad a condenser. Could coincidental, not causational. How
old is the condenser? Even if newish, there are lots of crappy new Lucas
parts out there. I had three bad ones with similar results, until replaced
with  a Distributor Doctor HD condenser.

Ira Erbs 


      _______                                  _______
     (______ \____1959 BN4____/ _______)

          BT7 engine and disk brakes



1967 MGB  


A racing car is an animal with a thousand adjustments. Mario Andretti

Please excuse random auto corrects and misspelled words



On Mon, Jul 22, 2019 at 10:36 AM David Breneman via Mgs <mgs at autox.team.net>

I've never encountered a "bad fuel" problem before, so I'm looking

for some confirmation (or not).  The local Mom-without-Pop store put

in new pumps, and one of the things they're offering now is 92 octane (US)

alcohol-free gas.  I had about a quarter tank in my MGA (w/MGB high

compression engine) so I went to fill up.  The pump with the alcohol-

free gas was out of order!  So I put in three gallons of regular 92 

octane, and about 1/4 mile from the station started experiencing a lot

of misfiring, mostly when accelerating in 3rd and 4th.  I continued

driving like this for about 20 miles to see if it would clear up and it

never did.  I can't imagine it's anything but the fuel, but I've never

encountered "bad fuel" situation like this in 44 years of driving.


The fact that it started about 1/4 mile after leaving the station seems

like pretty good evidence.  Any other possibilities?  Is there any option

other than to just burn through this half tank of gas?




David Breneman  david_breneman at yahoo.com

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