Re: [FWDLK] The Testies......

[Jan & Roger van Hoy <vanhilla@xxxxxxxxxxxx>]

Neil--

 

You said a '56 PowerFlite has:

2.5 Low and 1.3 Second gears

The actual ratios are:

Reverse 2.39:1, Low 1.72:1, Drive 1:1

[Source:  Factory Service Manual]

 

You said that the '57 Dodge Coronet has:

the same trannie, rear end, and tires

as a Custom Royal, but you estimate it

would have 10-20 more horsepower at the rear:

due to the car's  lighter weight
What difference would car weight make on a rear end dyno test since the running gear is as you say identical?

 

Regarding tires, you said:

(I called-around, today, and confirmed that the 1956
7.60x15" tires had virtually the same o.a. height as the 8.50x14" 1957 tires)

The Coker website lists daimeter of B.F. Goodrich bias ply tires at:

7.60 x 15 = 28.66"

8.50 x 14 = 28.10"

 

So my question is, how much better will my car cruise down the boulevard if it's faster than yours?

 

--Roger van Hoy, Washougal, WA, '55 DeSoto, '58 DeSoto, '56 Plymouth, '66 Plymouth, '41 Dodge

 

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