UREM37BY Plugs
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7985
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UREM37BY Plugs
Is the long reach Tempest UREM37BY spark plug safe to use on a C90 engine with Millenium cylinders? The Tempest application chart says yes, but I have heard rumors about the long reach plugs being too close to the piston.
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2356
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- Name: Huey Pilot
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Re: UREM37BY Plugs
I can’t speak for there use in a C90 but they work quite well in my O200.
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6643
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- Name: John C
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Re: UREM37BY Plugs
I am not aware of any issues. I don't think there's any significant difference. The increased compression comes from greater displacement, not a smaller combustion chamber.
John Cooper
www.skyportservices.net
www.skyportservices.net
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6898
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- Name: Jeff T
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Re: UREM37BY Plugs
piston at TDC use a 1/2" wood dowel rod measure to cylinder base at plug and remember theirs a copper washer to add.
Jeff T 1948 C-140 NC3600V
Past President 120 140 Assoc. 2019-2023
Past President 120 140 Assoc. 2019-2023