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Technical
Engine Overheating
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<blockquote data-quote="gagvanman" data-source="post: 632432" data-attributes="member: 17411"><p>My 1776 has been suffering with overheating for a while. I have added an external oil cooler but this has not really helped.</p><p>Engine is running twin ICT34's with the following jetting:</p><p>idle jet 57</p><p>Main jet 160</p><p>Air corrector 180</p><p>Emulsion tube f6</p><p>Float jet 150</p><p></p><p>The spark plugs (NGK DE7A) tips are white indicating lean running which would explain the over heating, but the exhaust tip is black which would indicate lean running. I had considered going to a 155 main jet before I took out the plugs. I am confused.</p><p>Should I go to a hotter spark plug such as a NGK DE6A. Or a larger main jet (or both)?</p><p></p><p>Any other suggestions gratefully accepted.</p><p>Thanks</p></blockquote><p></p>
[QUOTE="gagvanman, post: 632432, member: 17411"] My 1776 has been suffering with overheating for a while. I have added an external oil cooler but this has not really helped. Engine is running twin ICT34's with the following jetting: idle jet 57 Main jet 160 Air corrector 180 Emulsion tube f6 Float jet 150 The spark plugs (NGK DE7A) tips are white indicating lean running which would explain the over heating, but the exhaust tip is black which would indicate lean running. I had considered going to a 155 main jet before I took out the plugs. I am confused. Should I go to a hotter spark plug such as a NGK DE6A. Or a larger main jet (or both)? Any other suggestions gratefully accepted. Thanks [/QUOTE]
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Engine Overheating
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