Then it would seem you would just have to try larger diameter tires in order
to determine if there are fuel savings. I wonder what would be the biggest
diameter tire that could be used on a 123 if you ignored handling problems?
Gerry Archer
'83 300D and 240D
-------------------------------------------------------
----- Original Message -----
From: "OK Don" <[EMAIL PROTECTED]>
To: "Mercedes Discussion List" <[EMAIL PROTECTED]>
Sent: Monday, May 29, 2006 7:28 PM
Subject: Re: [MBZ] W210 rims on my W123?
The engine will have to work harder to move the car at a given speed
with larger diameter tires/wheels. You can do the same thing by
changing the gear ratio in the rear end. There is a point where that
effort will exceed the possible savings from lower RPMs. Note also
that a lot of our Diesels don't see a significant change fuel economy
with different RPM ranges - I don't understand why - chalk it up to MB
engineers.
--
OK Don, KD5NRO
Norman, OK
"The Americans will always do the right thing... after they've
exhausted all the alternatives."
Sir Winston Churchill
'90 300D, '87 300SDL, '81 240D, '78 450SLC, '97 Ply Grand Voyager
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