Bob my 1977 300 D in the mountains of Pa typically maintained around 183 to
195 degrees F through most events. Sometimes on a steep climb on a hot day
would approach 212 degrees F. but quckly cool down to specs. Wind blows out
of the west here often and on interstate could always feel the reduced speed
of car in a stong head wind. My 1977 ended up losing the #5 cylinder during
a long highway trip, she got me home but smoked like the dickens especially
at idle. New I lost the cylinder due to major power drop off and could only
reach a top speed of 55 mph on slight hills.
Regards Tom Scordato
----- Original Message -----
From: "Bob Rentfro" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <Mercedes@okiebenz.com>
Sent: Wednesday, January 03, 2007 10:19 AM
Subject: [MBZ] CA Trip Questions
Yesterday I took oldest girl child back to CA. Usually a couple of good
places for Eye-talian tune ups along the route. Had two big suitcases in
trunk, and a 32" tube TV (remember those?), two other bags and a gee-tar
in the back seat. Figured this would be a good jaunt to see how the
coolant system acted with new parts and a good chance to attack some hills
while loaded.
On the way I drove into a stiff wind from the west and there were several
places where I had it floored on relativly even terrain and could only get
70mph out of her. Temperature never got above 135-150 degrees. (Come to
think of it temp never gets above 150...pre or post rad changeout and with
three different
t-stats....hummm)
On the way home, empty, the long hill out of Indio going east (about 12
miles I think) I normall can keep it at 65 but could only manage 55 or so.
And, at one point going up this long hill, an '87 300D turbo, which was
Beverly Hillbillies loaded, passed me like I was nailed to the pavement.
Temp again was 150 tops.
The other odd thing is that it seems to be smoking at idle a bit more
since the valve adjustment. Will running at 150 couse it to smoke than it
would otherwise?
Was that post confusing enough?
Bob Rentfro
'77 300D 165K
'87 Acura Legend 180K
Litchfield Park, AZ
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