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Spark plugs and heat range
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dmasys2(at)gmail.com
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PostPosted: Tue May 26, 2020 10:58 am    Post subject: Spark plugs and heat range Reply with quote

Sorry to be too lazy to go pull the cowl to check, but does anyone know if the same injector marking rules apply to the GAMI injectors?  Have been happily flying behind a set of them for more than a decade and never really thought about clocking them during reinstall after cleaning (or remember reading GAMI instructions that said to do that).
Thanks,
-Dan Masys
N104LD

On Mon, May 25, 2020 at 2:04 PM Bob Turner <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> wrote:

Quote:
--> RV10-List message posted by: "Bob Turner" <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)>

Thank you, Vol88, for reminding me of the actual instructions. Note the arrow doesn't have to point exactly down: anywhere within a 180 deg of arc of "not up" will suffice to minimize fuel  dripping out after shutdown. If you're concerned with ram air hitting the opening, you could point the arrow down and slightly forward.
Like Kelly, I didn't want to over torque these things. I stopped at 40 in-lbs if the arrow was down. If necessary I went to 60. If that didn't work, I removed the whole thing, cleaned the treads with a toothbrush and tried again. That usually worked!

--------
Bob Turner
RV-10 QB












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Kelly McMullen



Joined: 16 Apr 2008
Posts: 1182
Location: Sun Lakes AZ

PostPosted: Tue May 26, 2020 12:16 pm    Post subject: Spark plugs and heat range Reply with quote

I don't know...However, since they are just injectors with the restrictor more precisely drilled, I expect they would be the same.
Quote:
Sent from my TRS-80 Model 100



On Tue, May 26, 2020 at 12:02 PM Dan Masys <dmasys2(at)gmail.com (dmasys2(at)gmail.com)> wrote:

Quote:
Sorry to be too lazy to go pull the cowl to check, but does anyone know if the same injector marking rules apply to the GAMI injectors?  Have been happily flying behind a set of them for more than a decade and never really thought about clocking them during reinstall after cleaning (or remember reading GAMI instructions that said to do that).
Thanks,
-Dan Masys
N104LD

On Mon, May 25, 2020 at 2:04 PM Bob Turner <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> wrote:

Quote:
--> RV10-List message posted by: "Bob Turner" <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)>

Thank you, Vol88, for reminding me of the actual instructions. Note the arrow doesn't have to point exactly down: anywhere within a 180 deg of arc of "not up" will suffice to minimize fuel  dripping out after shutdown. If you're concerned with ram air hitting the opening, you could point the arrow down and slightly forward.
Like Kelly, I didn't want to over torque these things. I stopped at 40 in-lbs if the arrow was down. If necessary I went to 60. If that didn't work, I removed the whole thing, cleaned the treads with a toothbrush and tried again. That usually worked!

--------
Bob Turner
RV-10 QB














- The Matronics RV10-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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Kelly McMullen
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Lenny Iszak



Joined: 23 Mar 2008
Posts: 262

PostPosted: Tue May 26, 2020 2:43 pm    Post subject: Spark plugs and heat range Reply with quote

Dan,
This should help you out. Paragraph #2:

[url=https://gami.com/gamijectors/installation/GAMI IP-98-001 Rev B Lyc GL10.pdf]https://gami.com/gamijectors/installation/GAMI%20IP-98-001%20Rev%20B%20Lyc%20GL10.pdf[/url]
[img]cid:EB809DEF-DBCC-4749-A943-94F30665C4DC(at)localdomain[/img]

Lenny
Quote:
On May 26, 2020, at 2:54 PM, Dan Masys <dmasys2(at)gmail.com (dmasys2(at)gmail.com)> wrote:
Sorry to be too lazy to go pull the cowl to check, but does anyone know if the same injector marking rules apply to the GAMI injectors? Have been happily flying behind a set of them for more than a decade and never really thought about clocking them during reinstall after cleaning (or remember reading GAMI instructions that said to do that).

Thanks,
-Dan Masys
N104LD

On Mon, May 25, 2020 at 2:04 PM Bob Turner <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> wrote:
Quote:
--> RV10-List message posted by: "Bob Turner" <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> Thank you, Vol88, for reminding me of the actual instructions. Note the arrow doesn't have to point exactly down: anywhere within a 180 deg of arc of "not up" will suffice to minimize fuel dripping out after shutdown. If you're concerned with ram air hitting the opening, you could point the arrow down and slightly forward. Like Kelly, I didn't want to over torque these things. I stopped at 40 in-lbs if the arrow was down. If necessary I went to 60. If that didn't work, I removed the whole thing, cleaned the treads with a toothbrush and tried again. That usually worked! -------- Bob Turner RV-10 QB





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Lenny Iszak
Palm City, FL
2014 RV-10, N311LZ - 500 hrs
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PostPosted: Tue May 26, 2020 3:34 pm    Post subject: Spark plugs and heat range Reply with quote

Just what I needed, Lenny.  Thanks!

-Dan Masys


On Tue, May 26, 2020 at 3:50 PM Lenny Iszak <lenard(at)rapiddecision.com (lenard(at)rapiddecision.com)> wrote:

Quote:
Dan,

This should help you out. Paragraph #2: 
https://gami.com/gamijectors/installation/GAMI%20IP-98-001%20Rev%20B%20Lyc%20GL10.pdf


[img]cid:17253525ecf5b2e86771[/img]
Lenny

Quote:
On May 26, 2020, at 2:54 PM, Dan Masys <dmasys2(at)gmail.com (dmasys2(at)gmail.com)> wrote:

Sorry to be too lazy to go pull the cowl to check, but does anyone know if the same injector marking rules apply to the GAMI injectors?  Have been happily flying behind a set of them for more than a decade and never really thought about clocking them during reinstall after cleaning (or remember reading GAMI instructions that said to do that).
Thanks,
-Dan Masys
N104LD

On Mon, May 25, 2020 at 2:04 PM Bob Turner <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)> wrote:

Quote:
--> RV10-List message posted by: "Bob Turner" <bobturner(at)alum.rpi.edu (bobturner(at)alum.rpi.edu)>

Thank you, Vol88, for reminding me of the actual instructions. Note the arrow doesn't have to point exactly down: anywhere within a 180 deg of arc of "not up" will suffice to minimize fuel  dripping out after shutdown. If you're concerned with ram air hitting the opening, you could point the arrow down and slightly forward.
Like Kelly, I didn't want to over torque these things. I stopped at 40 in-lbs if the arrow was down. If necessary I went to 60. If that didn't work, I removed the whole thing, cleaned the treads with a toothbrush and tried again. That usually worked!

--------
Bob Turner
RV-10 QB

















- The Matronics RV10-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List



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rvdave



Joined: 24 Jan 2009
Posts: 191

PostPosted: Wed Jun 10, 2020 3:59 pm    Post subject: Re: Spark plugs and heat range Reply with quote

I found I had the orifice holders clocked opposite what they should have been, so clocked the vent side away from ram air but wasn’t noticeably different. Of course maybe now I need to retune orifices, my next project to see if it makes a difference for peak egts.

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