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  #1  
Old 09-12-2019, 12:08 PM
Larry DeCamp's Avatar
Larry DeCamp Larry DeCamp is online now
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 992
Default Need advice on flow divider location

I mounted my AFP FM-150 divider above the case to avoid blocking cylinder air flow and engine heat. Today, reviewing install instructions I absorbed the warning to mount the divider BELOW the nozzle for best idle performance.
There is no way to get the divider output BELOW the nozzle without mounting below the cylinders ,which would make the injector lines a spaghetti nightmare.

I know Don and Kyle are going to say follow instructions.
SO: Does anyone have experience with the divider above the case split?
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Larry DeCamp
RV-3B flying w/7:1 0320 / carb / Pmags / Catto 3b / digital steam
RV-4 fastback w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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  #2  
Old 09-12-2019, 12:44 PM
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airguy airguy is offline
 
Join Date: Oct 2006
Location: Garden City, Tx
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Default

The installation manual section 3.25 says to mount the divider below the engine if you have an UPDRAFT cooling setup - and just below that there is a large note to install the divider on the COOL side of the engine.

I believe you are referring to the instructions for the distribution block - not the same part as the divider. As I understand it, you can use one or the other - but in practice I don't recall ever seeing a distribution block used, only the typical "spider" divider block on top of the case split.

Refer to Appendix D for the divider block, and Appendix E for the distributor block. Which one are you using?
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Greg Niehues - SEL, IFR, Repairman Cert.
Garden City, TX VAF 2020 dues paid
N16GN flying 700 hrs and counting; IO360, SDS, WWRV200, Dynon HDX, 430W
Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.

Last edited by airguy : 09-12-2019 at 12:53 PM.
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  #3  
Old 09-12-2019, 01:25 PM
Larry DeCamp's Avatar
Larry DeCamp Larry DeCamp is online now
 
Join Date: Apr 2010
Location: Clinton, Indiana
Posts: 992
Default Thanks Greg

I have the round flow divider with 8 line ports, one gauge and one in port. You are correct, the specific comment on "same level as nozzles" is labeled DISTRIBUTION BLOCK. I must be getting tired !
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RV-3B flying w/7:1 0320 / carb / Pmags / Catto 3b / digital steam
RV-4 fastback w/ Superior roller 360/AFP/G3X/CPI/Catto3b
Clinton, IN
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