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invest in a infared thermostat...
unfortunately I had a similar problem in my 450SLC this last weekend. I was getting readings of 215-265 on the top end any my gauge pegged at redline.. I rhought it was the sending unit (long story) but it ended up being that my radiator had failed.....
Im thankful for AAA for a free tow home (almost 75 miles)......
Seriously, get an infared thermometer (like $20 at autozoo) if you think your gauge is reading wrong, anything above 200C is too hot. An infared thermometer will help you (and us) better understand whats going on..
Readings on the heads and intake are the best, presumably the exhaust manifold are the worst...
__________________
". . .back before accountants designed cars"
-Current Stable-
'78 MB 450SL-C 107.024.12.020783 #3840 <Kayleen>
'85 FORD F250 6.9L Diesel <Allison>
'98 Lexus ES300 <Rachel>
Long Gone...
'74 Chevy G10...........................'99 GMC Yukon 4X4
'83 Chevy Suburban 6.2 diesel .....'99 SAAB 9-5
'90 Mitsubishi Eclipse GS............. '01 Chevy Tahoe
'98 Nissan Altima ....................... '02 MB ML320
'88 Chevy Suburban V2500 4X4 6.2 diesel
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