[Mgs] H4 or HS4 carbs on an MGA 1600 and Electronic Ignition or Points

David Ambrose stargazer1 at cox.net
Wed Jan 10 14:48:43 MST 2018

I think the first thing I'd do is to check the battery and clean its 
connections. It's one thing to be fat, dumb, and happy on a trickle 
charger; quite another to be running a car.

On 1/10/2018 9:29 AM, Robert J. Guinness via Mgs wrote:
> Here are the reasons for my suspicions.
> The prior owner did not drive the car very much.
> Fuel Pump (weak slow clicking from the points and sharp blow to the 
> pump caused increase in performance)
> Bad Gas (Problems began almost immediately after refueling. Lack of 
> prior driving and severe cold may have settled some debris & water in 
> bottom of the tank).
> Coil (I had similar problems on another MGA that turned out to be an 
> overheating and failing coil)
> Voltage Regulator ( Problems arose after turned on lights and wipers 
> and heater  --  the starter would not crank and no electrics on 
> failure.  Started it a couple of time with the hand crank though. The 
> seller gave me the charger as part of the deal and he had a trickle 
> charger installed permanently in the car. I was able to recharge the 
> battery overnight  and then it cranked well.  Of course, it could be 
> the generator or wiring downstream from the regulator.  It is on my to 
> do list )
> The heater control valve also sprang a leak over the distributor, but 
> that seems to have occurred only after the breakdown.
> My question really is whether I should go back to the OEM set up 
> (which I have n irrational preference for) assuming all the other 
> problems are already sorted.  Or would I be giving up some significant 
> performance enhancements.  It did go over the Continental Divide in NC 
> strong and well at 60 MPH.
> On 1/10/2018 2:13 AM, PaulHunt73 wrote:
>> e-mail signature
>> Under those circumstances a fault has obviously developed.  I'd 
>> definitely resolve that first.  If you start messing changing major 
>> components and still have problems you won't know whether the 
>> original fault is still there, or it is something you have done, or 
>> both.  But why do you think four things all happened to go wrong at 
>> the same time?
>> PaulH.
>>     ----- Original Message -----
>>     It ran great for @400 miles on a run from Raleigh, NC to just
>>     North of Caryville, TN in the New Years Eve subzero weather, then
>>     quit.  Would fade and then rev back up (until it didn't
>>     anymore).  Probably a combination of fuel pump, bad fuel, coil,
>>     and voltage regulator issues. Man was it cold on that mountain
>>     waiting for AAA!
> -- 
> e-mail signature
> Robert Guinness
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