<VV> Electric Fuel Pumps

[James Davis]

If I remember my math correctly, it takes about 1/4 of a gallon of gasoline
per minute to 140 hp with a moderately efficient engine.  So, if your fuel
pump 15 gallons of fuel per hour at 2 psi, you should be able to handle any
relatively stock Corvair engine.   If you have an 80 hp Corvair,. figure
about 8.5 gallons per hour.  Yes I know few Corvair engines can last an
hour at full throttle.  Nothing like a Corsa conv 140 top down in third at
4,800 rpm (70 mph) climbing I-68 out of Cumberland, Maryland.
Jim Davis

On Fri, Apr 12, 2024 at 1:21 PM Chuck via VirtualVairs <
virtualvairs at corvair.org> wrote:

> I'm with Bryan. I found 3psi is nominally right for my larger Rochester
> carbs ( 1 1/2" throttle plates and large main jets) racing my D Prod
> Stinger.
> Chuck Sadek
>
>
> -----Original Message-----
> From: VirtualVairs <virtualvairs-bounces at corvair.org> On Behalf Of Bryan
> Blackwell via VirtualVairs
> Sent: Friday, April 12, 2024 2:08 PM
> To: Fred Mahler <maxspeed at juno.com>
> Cc: Vairzwa via VirtualVairs <virtualvairs at corvair.org>
> Subject: Re: <VV> Electric Fuel Pumps
>
> Hi Fred,
>
> I have an Airtex E8016S on a 110, as far as I know all the late model
> pumps are the same for all engines.  FWIW, we've spun the 110 to 6k with
> this pump feeding it, no issues.  It's rated at 2.5 to 4.5 PSI and 30 GPH.
>
> The shop manual says 4 to 5 PSI and 1 pint in 40 seconds, that translates
> to 11 GPH.
>
> Based on the above, I'd expect that Airtex to work fine on any mostly
> stock Corvair engine.
>
> --Bryan
>
> > On Apr 12, 2024, at 1:12 PM, Fred Mahler via VirtualVairs <
> virtualvairs at corvair.org> wrote:
> >
> > After many mechanical pump failures, I have decided to install an
> electric pump.  My question to the group is what pump pressure is most
> successful on a 140 engine.  It seams that every vendor has a 2-3.5 lb pump
> and a 4-7 lb model as well.  Which is most used with this set up.  Any
> specific do's and don'ts would be appreciated.
> >
> >
> > Fred Mahler
>
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