At least on the 1958 Chrysler 300D EFI cars the
primary exhaust pipe (and rest of the system) is NOT the same as the
standard 300 or New Yorker. The EFI option coded cars included, as
part of the package, the low restriction exhaust manifolds and the 2.5" pipes
all the way out on the hardtops. These would not have been employed
on a EFI convertible where the 2.5" system does not have adequate clearance in
the X-member frame.
What were the low restriction
manifolds? They were the truck style 4-bolt flange manifolds
that the factory had madified in 1957 to fit the new torsion bar chassis to gain
clearance at the steering box and at the upper right control
arm. I reproduced these manifolds for the '57-58
392s.
I do not know if there was any change in DeSoto or
Dodge EFI exhaust manifolding or exhaust system but do not believe
so.
Wayne
----- Original Message -----
Sent: Friday, May 28, 2010 10:11 AM
Subject: CURIOSITY QUESTION ON FI 1958
CARS
HELLO MEMBERS, and a happy Memorial Day
Weekend
Concerning the parts book and the 58 FUEL INJECTED
cars........................
WHY would the FI cars have a separate
P/N for the primary exhaust pipe from the exhaust
manifolds?????????????????????????
The LENGTH is the same for the
CARBURETED cars The diameter must be the same because the secondary exhaust
pipes are all the same.
ANY IDEAS
ED ECKERSON LI
NY
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