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Old 11-26-2018, 04:41 PM
dwranda dwranda is offline
Join Date: Jan 2015
Location: Jamestown,NY
Posts: 678
Default Which fuel injection pump to choose?

How do I decide which fuel injection pump to go with? It seems the main ones are Andair, Air Flow Performance, and EFII. I will be running 2 pmags not a full electronic ignition if that matters. What is your favorite and why??
9A in progress
Working on final 90%!!
Mattituck TMXIO-360 red gold
Dues paid May 2022
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Old 11-26-2018, 05:17 PM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 3,579

Airflow Performance. Installed in three RVs and have been flawless.

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Old 11-26-2018, 08:13 PM
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Zuldarin Zuldarin is offline
Join Date: Mar 2013
Location: Snoqualmie, wa
Posts: 413

I second the Airflow Performance pumps. Works great on my 9A.
Snoqualmie WA
RV-9A Sold
RV-10 Flying
2021 donation sent!
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Old 11-27-2018, 05:28 AM
kaweeka kaweeka is offline
Join Date: May 2011
Location: Roseville
Posts: 470

My Dukes failed and chose AFP. I have the FI from them as well. Would chose them again and again. Great products and support.
RV-9A N435KR, Vans calendar March 2018
LIO 320 B1A, Dual LS Plasma III, AFP injection
G3x touch
Roseville, Ca
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Old 11-27-2018, 07:38 AM
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Walt Walt is offline
Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 6,588

Weldon was my choice, AFP would be my second choice.
Walt Aronow, DFW, TX (52F)

EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 2000+ hrs, New Titan IO-370, Bendix Mags, MTV-9 prop
Website:, Email:, Cell: 972-746-5154
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Old 11-27-2018, 08:28 AM
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airguy airguy is offline
Join Date: Oct 2006
Location: Garden City, Tx
Posts: 5,811

Just a datapoint, I started with AFP and had a pump failure at about 300 hours, replaced it with SDS. I strongly suspect the pump failure was due to air being admitted into the fuel suction line through a detoriated O-ring on a fuel filter housing, so I can't say the pump is entirely at fault.
Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2022 dues paid
N16GN flying 1,000 hrs and counting on 91E10; IO360, SDS, WWRV200, Dynon HDX, IFD440, G5
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.
Pending Repeat Offender - 10 kit is on order. TDI? Turbine? Stay tuned!
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Old 11-27-2018, 09:06 AM
RV Jerry RV Jerry is offline
Join Date: Jan 2009
Location: Chino, CA
Posts: 202

In the pastI would use dukes and they all started leaking between 5-7 years, this new Rocket got AFP , It is a continuous duty pump which is what sold me also it?s less $$
Jerry Scott
Rocket II
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Old 11-27-2018, 09:26 AM
RV7A Flyer's Avatar
RV7A Flyer RV7A Flyer is offline
Join Date: Jul 2013
Location: US
Posts: 2,644

I have the Andair pump, has worked flawlessly for 600+ hours now. (Knock on wood )

ETA: To address the original question, which is "why?", I would say ease of plumbing, small size (allowed me to cut down the FP housing considerably), good customer service (the original one sat on the shelf for a couple of years and the preservative gummed up the bypass valve, right before A/W inspection...Andair sent a replacement, newer design, 2-day from the UK for no charge and only requested return of the original when I got the new one).
2022 Dues paid!

Last edited by RV7A Flyer : 11-27-2018 at 09:29 AM.
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Old 11-27-2018, 02:17 PM
TS Flightlines TS Flightlines is offline
Join Date: Apr 2010
Location: Ridgeland, SC
Posts: 3,017

WE plumb alot of AFPs. The new version is just as easy as a EFII, SDS, or Andair. In and out. Getting all of this to fit under the stock covers--thats the trick.

Tom Swearengen, TS Flightlines LLC, AS Flightlines
Joint Venture with Aircraft Specialty
Teflon Hose Assemblies for Experimentals
Proud Vendor for RV1, Donator to VAF
RV7A Tail Kit Completed, Fuse started-Pay as I go Plan, on hold while we develop new products for RV builders
Ridgeland, SC,
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Old 11-27-2018, 05:58 PM
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jcarne jcarne is offline
Join Date: Jul 2016
Location: Worland, Wyoming
Posts: 2,169

I went stock on this one and got the AFP from Van's. I have not run mine yet but I can assure you it is a quality product based on looks and feel, very well manufactured.
Jereme Carne
RV-7A Flying as of 03/2021
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