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Post by 49dykon on May 17, 2015 19:41:32 GMT -5
Any idea what a safe range of temps for a 49 cylinder head would be?
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Post by 90GTVert on May 18, 2015 8:15:52 GMT -5
330-380F seems to be where mine peaks with a tuned up stock engine. Depends on outside temps.
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Post by 49dykon on May 19, 2015 12:45:44 GMT -5
Okay so 430 is way to high then... Must have been way too lean
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Post by 90GTVert on May 19, 2015 13:04:02 GMT -5
I have seen 400F even with OK air fuel ratios (I have a wideband on mine), but that was only once that I recall and I think it was around 100 degrees ambient temp.
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