Glen,
The coil is another suspect. I put a spare one in the car (again a
Brazilian Bosch, secondhand in good shape, the same kind Im running currently)
to maybe swap it out to test on the road. But I was thinking, logically
speaking, should a coil not act up consistently rather than occasionally??
The car does run fine at low speeds I concluded today after noticing
closely how its behaving.
I have seen many quarters not advocating running the fuel line after the
fuel pump. The weight of the filter with the fuel can cause the pressed in
metal pipe fitting to work loose off the carb with disasterous consequenses.
Thanks for your ideas,
Asad
> Date: Sun, 31 Jan 2010 17:33:50 -0600
> From: [email protected]
> To: [email protected]
> Subject: Re: [vintagvw] Troubles with the bug...
>
> I had a similar thing that turned out to be the
> coil- it would miss at high speeds when it was
> getting hot, which happened on long straight roads
> at fast speed.
>
> Also had a similar one that was crap in the gas
> tank plugging up the intake strainer. Everytime
> you did something, let it rest a bit, it would run
> fine for a while. At lower speeds, it could get
> enough gas, but sustained high speed would starve it.
>
> Fuel filter clog is definitely a possibility. I
> always run the fuel filter after the fuel pump,
> because a clog in front of it will have it
> cavitating and vapor-locking even before the clog
> is enough to stop the flow.
>
> glenh :<)
>
> asad ishaque wrote:
> > Volks,
> > Thanks for the replies to my previous alternator conversion question.
> > Had planned for the swap this weekend but something came up. My
> > previously 100% reliable 68 daily driver has started to give trouble!
> > Last week I ran out of gas after noticing I was getting bad gas
> > mileage. Well, Pushed my luck and ran out just a few meters shy of the gas
> > station. Filled her up and she ran well.
> > Now this week, I am driving along a main road when I notice
> > intermittent power loss. First I think its my imagination or lack of sleep.
> > But then I enter an underground pass and the bugs really sputtering. Dies
> > before the exit ramp. I start it after some attempts and just about make it
> > up and park at the side of the road. I suspect crap in the carb so try to
> > clean it a bit with carb cleaner and all. Starts up after some efforts and
> > Im off again. Sputters a bit then dies again along another main road. Comes
> > back to life after a bit and then dies again. I make it to a roadside shop
> > adn proceed to dismantle the carb adn clean it up. I find no crap inside
> > the float bowl though. A good cleanup later its back in the car. Runs good.
> > I proceed home but then again along a main road the bug dies. Now I
> > suspect the spark. I pull out the dizzy and replace the condensor with a
> > brand new one. Good I had one in the car. Did not replace the point to save
> > time. Just sanded it a bit to clean up a small visible pit. Reset the
> > timing with a static light, this time a bit more advanced as it was
> > retarted a bit earlier. Start her up and she runs beautifully. The sound
> > had changed! I was a happy man!
> > But today, while on the way back from work, the performance is repeated!
> > Aaarghh!
> > Now what could be possibly wrong with the car????
> > I am thinking of a chocked fuel filter. I run it in front of the engine
> > ie where the gearbox is. Maybe it is not delievering enough fuel at high
> > speeds??? Almost always the trouble was on long straight roads where one is
> > in speed. Need to take a look at it.
> > What else could be wrong????
> > Bad coil (runnign a nice Bosch from Brazil)?? but would it not be
> > continous rather than intermittent??
> > Bad slow jet??? Running an electric one in the Brazilian carb. Could
> > this behave this way????
> > Any other ideas???
> > TIA for all your thoughts.
> > AsadKarachi,Pakistan.
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> >
>
>
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