Subject: MSD hot tip fuel pump.
From: Rotary Engine
Date: 2/25/2007, 6:18 AM
To: AARotary Engine


>   > "MSD High Pressure Electric Fuel Pump
>   > Multiport EFI systems require a stable fuel supply to
> maintain best
>   > performance throughout the engine's rpm range. This high
>   > pressure and
>   > high flow Fuel Pump features a roller vane pump
> mechanism which is
>   > extremely resistant to clogging and jamming. The pump
> mounts in-line
>   > (out of the fuel tank) with two supplied cushioned
> clamps for a quick
>   > and sturdy installation. The nipple inlet is 3/8" with
> a 5/16" outlet.
>   > The wire terminals feature brass studs for secure
> connections. Made
>   > in the USA, the pump is ideal for use as a "booster"
> for nitrous
>   > oxide applications, or as a stand alone pump for
> multiport EFI
>   > systems on engines up to approximately 500 HP. Capable
> of 43 gph at
>   > 40 psi.
>   >
>   > Approximate flow is 43 gph (282 lb/hr) gasoline
> (specific gravity
>   > 0.788) @40 psi and 12 volts/5.4 amps. Has 3/8-in. hose
> nipple Inlet,
>   > 5/16-in. hose nipple Outlet. Includes 2 cushioned
> mounting clamps
>   > and 4 mounting bolts."
>   >
>   >
>   > This is head and shoulders better than any other pump I have
>   > found so far. Not only is it only $109 but it is made in
>   > the U.S. It is also a true positive displacement pump meaning
>   > that it will draw fuel from a considerable head. That
> also means
>   > it is a very linear pump with out put directly proportional
>   > to pulse width or voltage.
>   >
>   > It is very very efficeint. at 40 psi with a pulse width of
>   > 50% (six volts) it will put out 20 gallons an hour
> which is about
>   > what we need for take off and climb. Current drain
> should be around
>   > 2.7 amps. At cruise or 10 gallons and hour and a 25%
> pulse width
>   > it should draw half of that or 1.35 amps. That gives
> you a long
>   > time to find an airport on battery power alone if your
> alternator  > dies.
>   >
>   > If your planning a PWM constant dribble fuel system
> snap one of
>   > these up before they raise the price :) Heck it would
> be great
>   > for Tracy's system as well.
>   >
>   > I am not going to mess with the Walbro/Mazda/Focus
> peripheral type
>   > pumps. These are much much better for our purposes. No
> air sucking
>   > problems.
>   >
>   > Paul Lamar ...No rotor no motor.
>
>
> -- Hi guys (pros)  This (ordinary) guy would like to know ???
>
> Now I have paid a lot of attention.  To what you guys are
> saying here.
> And from time to time you all (almost) make a decision for the best
> product.  Since I dont know where to find the end decision
> after the
> matter is close (except in here).  Allow me to ask a question.
> http://www.msdignition.com/fuel_7.htm is where you find the Msd fuel
> pump at 103US$. There are also a pump calibrator or something
> like that
> for  non-turbo and  turbo and  control box for
> turbo use only that one
> could buy.  The question, do I need the three parts in a turbo
> application also do I need the two parts in a non-turbo
> application or
> simply put it the fuel pump alone is alright???
>
> Marc Montreal Canada
>
> The MSD pump will work fine in conventional EFI system such as Tracy
> Crook's system or other car type electronic fuel injection systems
> such as the Mega Squirt. If turbo I recommend those type systems
> as it is possible to control a waste gate and other devices common
> to turbo installations. No calibration of the fuel pump will be
> required as these types of EFI systems use a fuel return type of
> pressure regulator
>
> Paul Lamar ...No rotor no motor.

Thank you Paul

Marc Montreal Canada


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