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Disimiliar header primary temps

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Old 10-19-2011, 09:09 PM
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Default Disimiliar header primary temps

Measuring header primary tube temps at cool idle with an infrared gun.

Exhaust temps are 400* to 440* on all but no 7(DS rear).

no. 7 is 510* by itself.

is this something to look into?

Thanks for the advice.
Old 10-19-2011, 09:44 PM
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#7 is historically, the leanest cylinder in LSx cars with the stock intake manifold on.

Thats most likely what you are seeing.

Those temps are not out of the ordinary. If the car isnt stock, check plugs and make sure all is good!

Louis
Old 10-20-2011, 08:20 PM
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bone stock LQ9

good info, before this, I was wondering if it was a restricted injector.

Last edited by 82cecil; 10-20-2011 at 08:21 PM. Reason: more info




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