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Ops .21 questions

Ops .21 questions

Old 07-28-2017, 11:46 PM
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Default Ops .21 questions

Anyone know anything about these engines , what is the ports connected by the fuel line ?
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Old 07-30-2017, 07:44 PM
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have no idea which ops u r talking about as your picture didn'
t post to this forum.
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Old 07-31-2017, 11:13 AM
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Never had one, but saw one run once. AFAIK they were/are awesome..
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