Radiator temp in/out and temp gauge readings

[Al]

Steve,
Seems to be a little on the hot side. My BMC 37' runs about 170 -
180 all day long. Might be time for a flush. I don't think I have
ever been in the 200 degrees range. I will double check to make
sure and let you know tomorrow.

Al & Kathy Johnson
'96 BMC 37'
Mandeville, Louisiana
Leaving for Mount Rushmore on Wednesday

--- In WanderlodgeForum@yahoogroups.com, "transit360"
wrote:
> I just got my new Raytek infrared temp gun and was getting some
> shots on my 8.3 Cummins pusher in my '98 QBRE Partybus. I shot the
> top of the radiator and it read 200 degrees, which is what my bus
> temp gauge said. I shot the lower radiator hose and it read 130
> degrees.
> I made sure to test location and reposition my gun several
> times, and this is what I got. Should there be such a drastic
change
> in temp through the radiator? I was expecting about 15-20 degrees
> difference. Could this indicate any problems?
>
> Second question: My temp gauge on the dash has green (safe)
> markings up to 220 degrees. Past 220, it reads in the red. My bird
> typically runs at 200 degrees while riding. Is this normal? Seems
a
> little on the warm side but this is my first Cummins as I have
dealt
> primarily with 8.2 and 6V71 Detroits in the past. My other
Bluebird
> partybus (same exact bus) runs at about 190, although I haven't
> confirmed it with the temp gun like the first.
>
> Thanks,
> Steve
> 2 '98 Bluebird QBRE Partybuses