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HelicopterEngines Plugs Mufflers Fuel › Hatori Tuned System
11-28-2005 11:50 AM  12 years agoPost 1
Barry Emmens

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Wiltshire, UK

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Anyone had experience setting up an OS37 with a Hatori350 pipe?
The instructions state a gap of 2-3mm between header and pipe but this makes the motor run rich which would indicate that the tuned length is too long. I'm using Magnum 20% and a target head speed of 1750-1800 rpm and need some idea of the total tuned length as a guide.
Is anyone else using this set up?

IF IT AINT BROKE - TRY HARDER

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11-28-2005 12:43 PM  12 years agoPost 2
airdodger

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Johnston USA

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http://www.prestwich.ndirect.co.uk/tunedpipetheory2.htm Gives the formular to get close and other info. Chris

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HelicopterEngines Plugs Mufflers Fuel › Hatori Tuned System
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