Hello All;
I have been offered a 1975 Chrysler Newport for a reasonable price and
though it isn't an Imperial, or N.Y.B, I believe that it shares a number of
things in common. It is with those things that these cars have in common
that I would like to ask a few questions.
First the car has a 440 engine, like its Imperial relatives, but has no
E.G.R system or an air pump. It does have the crankcase vent system, the
fuel vapour collection system for the gas tank, and a Carter Thermoquad
carburettor. The odd thing is that the 440s used in 75' Chryslers weren't
available with dual exhausts but the 400s were.
According to my Motor Manual the engine has a compression ratio of 8.2:1
verses 10.1:1 for a 1969 440. How did Chrysler achieve this drop in
compression; different heads? Thicker gaskets? I do know that the 69'
pistons had a raised deck height, are the 75's flat topped?
There is a device under the hood called a speed control servo. It is
connected to the carburettor via a steel cable and the brake booster via a
vacumn line. I though that this might have been an updated version of an
AutoPilot but there is no control dial visable on the dash. Further the
Motor Manual gives no account of its purpose or how it functions, only how
to adjust it.
On the heater/A.C control on the dash it has a set of push buttons and the
script "AutoTemp II". Does this unit use one of those infamous
disintegrating control servos like the earlier cars? Should I be on the
lookout for a junk Mercedes now?
Best Regards
Arran Foster
1954 Imperial Newport
Needing A Left Side Tailight Bezel and other trim parts.
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