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Old 01-30-2003 | 06:32 PM
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Spaceman Spiff
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Default U Can Do engine?
Originally posted by E75
In my UCD3D, I have a .91 FX. ...
I just don't believe all that hooey about the O.S. being a bad engine and I'm going to prove them all wrong!(wink wink)
You go Man! I just bought one for mine too, but i will try to mount it at an angle and get the muffler in the tunnel if possible.

Just checked out a thread in the engines section, turns out the big problem with the OS 91 FX is some of the needle valves don't seal and allow air to get into the line. Easy to spot, and easy to fix. Folks were having good luck with the Cline regulator. The Ultra thrust muffler is supposed to be a hot mod too, for those who decide they want a bit more.

hopefully my UCD will arrive soon.
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