On 8/4/2019 7:38 PM, Flesner via KRnet wrote:
Facet does make a line of pumps with a check valve in them to prevent
backflow. I haven't personally tested one yet, so can't say how
effective they are.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I went to Aircraft Spruce to check on Facet fuel pumps. Several things
to consider when selecting a pump is pressure range, line size, and
check valve. Below is what I found after several minutes of search. If
you're not sure if your carb will handle the stated pump pressures plan
to install a pressure regulator after the pump. I purchased one from
O'Riley Auto parts with a dial indicator that you set to maximum
pressure desired.
https://www.oreillyauto.com/detail/b/mr--gasket-4367/performance-16477/engine-16841/fuel-system-16571/fuel-pressure-regulators-17798/37354b4805ef/mr-gasket-fuel-pressure-regulator/9710/4514726?q=adjustable+fuel+pressure+regulator&pos=5
One review indicated the dial may not be totally accurate so they set
pressure using a pressure gauge.
As always, YRMV
Larry Fllesner
Specifications
PN OEM PN Volts PSI Max-Min GPH Fitting Size Lift Min. Dry Check
Valve Positive Shut Off Valve
05-10771 40100N 12 7.0-4.0 32 1/8 - 27 INT 36”
N N
05-10772 40101N 12 4.5-3.0 30 1/8 - 27 INT 12”
N N
05-10773 40102N 12 4.0-1.5 25 1/8 - 27 INT 12”
N N
05-00799 40104 12 4.0-1.5 25 1/8 - 27 INT 12”
N N
40105 40105 12 4.5-3.0 30 1/8 - 27 INT 12” N
N
40106 40106 12 7.0-4.0 32 1/8 - 27 INT 36" N
N
40108 40108 12 6.0-4.5 32 3/8 FLARE 12” N
N
40154 40154 24 6.0-4.5 32 3/8 FLARE 12" N
N
40163 40163 12 2.5-1.5 17 1/8 - 27 INT 24" Y
N
40164 40164 24 6.0-4.5 32 1/8 - 27 INT 12” N
N
05-40171 40171 12 3.5-2.0 15 1/8 - 27 INT 12"
Y Y
05-10781 40178 12 3.5-2.0 15 1/8 - 27 INT 36"
Y Y
05-10782 40185 12 11.5-9.0 32 1/8 - 27 INT 36"
Y N
05-06860 40288 12 4.5-3.0 30 1/8 - 27 INT 36"
Y N
05-06861 40289 12 7.0 - 4.0 30 1/8 - 27 INT 36"
Y N
05-10802 40300 12 11.5 - 9 30 1/8 - 27 INT 36"
Y N
05-00809 FEP-42SV 12 4.0-1.5 25 1/8 - 27 INT
12" N N
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