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01-27-2007 09:22 PM  10 years agoPost 1
markrwalker007

rrApprentice

Invercargill New Zealand

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Hi there going from 45:1 castrol TTS to 60:1 amsoil will I have to move the needles and if so would I be right in saying they may have to be a touch leaner

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01-27-2007 09:47 PM  10 years agoPost 2
eyeflyhelis

rrElite Veteran

charlotte nc

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i dont care what anyone or comapny says 60:1 is to lean to run a motor that has limited cooling. a test was done by a motorcycle mag that proved 40-:1 - 60_1 made no power difference but showed much more wear.
it was a longtime ago or i would post it here.
in my ultralight i run 40:1 and never fouled a plug and never had engine wear on tear downs. my friends run 50/60:1 and lost cylinders in flight. you only have one so its your call..... my .02c

only you have the power to make no difference!

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01-27-2007 09:55 PM  10 years agoPost 3
Hagar

rrNovice

East Greenville, PA

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I'm running 5 - 1 amsoil in my QWW OD with the Z26. 5oz. amsoil to 1 gal. Colemans

Bill G.
"Never Give Up"
Octane Dominator Sport
OutDo 600 Pro
TBA

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01-28-2007 07:39 AM  10 years agoPost 4
FCM

rrElite Veteran

Surrey, England

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Mark, I don't run Amsoil (not available here) but I do run Motul710 at 60:1 have recently changed from Motul 600 at 50:1.

What you will probably find is that you can open up the needles a bit more than you are running now as the engine will be happy running rich with a 60:1 oil ratio. The engine will run smoother and cooler than your 45:1 mix so I would open up both needles a screw drivers slot width and go and fly it.

When I changed, I noticed a significant difference. The needle settings are less crtical unless you do decide to run lean. If you follow the rich running settings like Bill Meador suggests, then you will not have any problems and with lower combustion temps, your engine should last at least as long as it did at 45:1.

Hope this helps,

Paul.

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01-29-2007 02:51 AM  10 years agoPost 5
markrwalker007

rrApprentice

Invercargill New Zealand

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thanks Paul thats what I wanted to here Ill try it

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