<VV> Electric Fuel Pumps vs Diaphragm

[Charles Cromwell]

Hello
My grandson burned his engine out when his fuel pump
leaked into yhr crankcae.
I lost an autocross when a leak soaked the fan belt
causing it to fly off

Chuck

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>





--- Frank DuVal <corvairduval at cox.net> wrote:

> I have run both for years.
> 
> Only some of the mechanicals will leak into the
> engine before it leaks 
> externally. There was a Communique article a while
> back showing the 
> difference in bottom castings. I would avoid the
> problem castings.
> 
> I only installed electrics to band-aid a vapor lock
> problem. They did 
> well in this duty.
> 
> I install new mechanicals if the old ones leak or
> stop pumping fuel. 
> These are probably the quickest to replace fuel
> pumps on any car ever 
> built. I would not install an electric pump just to
> solve the leaking 
> problem.
> 
> I do not recall ever having to change oil after a
> fuel pump started 
> leaking. Only one local  club member ever reported
> wiping bearings from 
> a failed fuel pump.
> 
> Poll time:
> 
> A. How many people have first hand knowledge of
> engine failure from 
> leaking fuel pumps?
> B. What percentage of Corvairs you know had this
> engine damage?
> 
> Statistics-what a wonderful way to prove any point!
> 
> Frank DuVal
> 
> 
> John wrote:
> 
> >I would appreciate anyone's opinion concerning
> switching to electric fuel pumps on my 3 Corvairs or
> keeping the "old style" diaphragm pumps.  I have
> friends who would only have electric, while others
> say the "old style" diaphragm  is just fine.  I had
> a diaphragm pump fail 2 years ago and my brother had
> one fail 4 weeks ago.  Both pumps were about 4 years
> old and had very few miles on them.  I was fortunate
> that mine failed in the garage as I was getting it
> out for an afternoon cruise.  I was able to change
> the pump, oil and filter immediately.  The "new"
> pump has been on the car since then and has worked
> fine.  My brother was not as fortunate, though.  His
> failed on the road (12 miles from home) and luckily
> he was able to get it off the road and into a
> shopping center parking lot.  Other than the
> aggravation, cost of a new pump, oil filter and oil,
> no harm was done to the Greenbrier.  However, we had
> both his Greenbrier and my '64 Monza on a cruise to
> Luray Caverns VA in May.  A failure on that trip
> could have spelled disaster, since we were about 150
> miles from home.  Carrying an extra pump is not the
> problem, getting gas into the crankcase is!  Are
> there any warning signs?  My brother's Greenbrier
> and my 3 Corvairs are stored over the winter.  When
> we get them out in the Spring, are we going to have
> to charge the battery, change oil, lube AND replace
> the fuel pump?  With the 2 failures, my confidence
> in the "old style" diaphragm pumps is not very high.
>  Suggestions and opinions would be appreciated.
> >
> >John Johnson
> >64 Monza Conv
> >65 Corsa Conv
> >65 Corsa Turbo Coupe
> >
> >
> >  
> > _______________________________________________
> >This message was sent by the VirtualVairs mailing
> list, all copyrights are the property
> >of the writer, please attribute properly. For help,
> mailto:vv-help at corvair.org
> >This list sponsored by the Corvair Society of
> America, http://www.corvair.org/
> >Post messages to: VirtualVairs at corvair.org
> >Change your options:
>
http://www.vv.corvair.org/mailman/options/virtualvairs
> 
> > _______________________________________________
> >
> >  
> >
> 
>  _______________________________________________
> This message was sent by the VirtualVairs mailing
> list, all copyrights are the property
> of the writer, please attribute properly. For help,
> mailto:vv-help at corvair.org
> This list sponsored by the Corvair Society of
> America, http://www.corvair.org/
> Post messages to: VirtualVairs at corvair.org
> Change your options:
>
http://www.vv.corvair.org/mailman/options/virtualvairs
>  _______________________________________________
> 



       
____________________________________________________________________________________
Choose the right car based on your needs.  Check out Yahoo! Autos new Car Finder tool.
http://autos.yahoo.com/carfinder/