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#1
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Radiator
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 |
#2
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mpg will most likely increase w/ proper operating temp.
change the t-stat. Just went through this issue, big difference. |
#3
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Yep, replace the t-stat. You have the 3.07 gearing.
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RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K |
#4
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Does the gauge flicker/bounce at all? If it does, replace the temperature sender in the head.
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#5
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Quote:
Sixto 87 300D |
#6
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Quote:
Automatic 300D's see 3100rpm @ 70mph with a 3.07 diff. Since I have a clutch (no slippage) I see 3200rpm @ 70mph with a 3.46 diff. An automatic with a 3.46 would see significantly higher RPMs. rrgrassi said he has a 3.07 first, not me. |
#7
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It has 195/70-14 tires. And it's an automatic. Also I have been passing one of those radar signs and the speedometer marks at the speed indicated.
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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 |
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