My gauge reads about 60C is that normal? Do I need to replace the thermosate? Which one goes in a 1984 300 CD?
Also when doing 55mph my tach is at 2500. So what rear gear does that indicate?
I'm hoping that getting the temps up will increase the mpg.

Thanks

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Moss Gate Bed & Breakfast
1985 300 TD GG done in by a red light runner
1984 300 CD Sold
2008 Titian
2000 Cadillac SLS
1966 FLH Sold
2003 Harley Ultra