Air bubbles.

Old 02-21-2014, 05:18 PM
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Default Air bubbles.

My son just bought a brand new cen matrix fte cheap as by the way. After finishing putting it together it was time to run it and a brand new motor in ( an mit b5 blue edition) Running it in using heat cycle method. During the first tank I noticed a lot of air bubbles going thru the fuel line which in turn made idle go up and down and in turn made the engine keep stalling ( Its a tight engine but ive run in a lot of alpha engines with great success)
Whats the problem never encountered it before.
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Old 02-21-2014, 06:07 PM
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Sounds like you have an air leak somewhere. Might want to check your tank and lines.
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Old 02-21-2014, 06:16 PM
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This is almost always a leak in the tank. The small piece of fuel tubing between
the nipple and filter/clunk. Does the problem go away with a full tank? If it goes
away when you have a full tank its internal. If not then there may be a leak at
the fuel nipple or line.
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Old 02-22-2014, 12:58 PM
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Thanks for the replies. I'll check it out today .
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