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Forum: Sprint Car Tech Talk (go)
Moderators: BigDog


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Topic: engine help Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
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Sprintracing82
August 21, 2014 at 05:28:46 PM
Joined: 05/01/2014
Posts: 2
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I can not figure out why one cylinder is always running colder then the others. 200- 300 degrees colder.  took injectors out and cleaned them. put them back in defferent cylinders. new plugs, plug wires, cap and rotor, and still colder then the others. any ideas why?




throttlejohnson
September 15, 2014 at 11:03:39 AM
Joined: 02/27/2007
Posts: 467
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Reply to:
Posted By: Sprintracing82 on August 21 2014 at 05:28:46 PM

I can not figure out why one cylinder is always running colder then the others. 200- 300 degrees colder.  took injectors out and cleaned them. put them back in defferent cylinders. new plugs, plug wires, cap and rotor, and still colder then the others. any ideas why?




The butterfly on that cylinder may be open more than the others...with the engine off measure the throttle blades as they are (at idle) and you might find that one cylinder is open a little more, letting more air/fuel in than the others, which would make the cylinder cooler.


The older I get, the faster I used to be.



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