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  1. #1
    RC poster
    Join Date
    Feb 2019
    Posts
    4

    Exclamation 2.5R Engine Upgrade Issues

    I just had the new engine installed but I canít seem to get the engine to stay running enough to start the breakin procedure. I canít figure out how to get the engine idle figured out so my truck will idle and not want to drive off. Can someone please help, Iím getting frustrated and seem like everything I am trying is moving me in the wrong direction.

  2. #2
    RC poster
    Join Date
    Feb 2019
    Posts
    4
    I just reset high speed and low speed idle settings to factory and the truck just took off and wouldn’t stop. The idle is up way too high and everything I’m doing is not lowering rpm or keeping it from driving on its own.

  3. #3
    RC poster
    Join Date
    May 2019
    Posts
    6
    Did you get it figured out? I know from experience racing real drag cars on alcohol, that a lean mixture will cause the idle to speed up. I would try making it a richer fuel mixture by opening up the mixture screws at least a half turn. That will also be better for a new engine. Lean = Hot. And a richer mixture will add more lubrication too.

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