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Old 05-17-2007 | 07:41 AM
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Ralphbf
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Default RE: Help with Mantis 20 or Echo 21.2
There is a tag on the pull start side under the cylinder, what does it say?

How many square inches is the plane?

1200 is a rough size for a gas engine.

Echo 23.6 would be better because of the larger ports.

Do a search on Echo in the conversion forum. There is lots of stuff.
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