I would also add that the Sunbeam factory did not equip all OD cars with
the 4.22. I don't have my books at work. But, somewhere in the later
models, they dropped the 4.22 and the OD car came with the 3.89. I don't
mean to suggest that the factory necessarily knew what it was doing. But,
if you want to assume that it knew what it was doing with the 4.22, the
same logic would suggest that it also knew what it was doing when it went
with the 3.89. It may be that the 3.89 OD combo was on the Series V which
might have been better suited for the sustained lower rpm - or the
opposite, I just don't have the cut-off here at work.
Jay
On Tue, 16 Sep 1997 15:27:25 -0700 Christopher.Albers(at)bubbs.biola.edu
(Christopher Albers) writes:
> It seems as if Dick may have answered the question, but there does
>seem to be many different opinions out there so I'll ask anyway.
> When I built my rear end I had the option of using either the 3.89
>or
>the 4.22. I have the OD and Smitty recommended that I use the 4.22,
>as
>it came from the factory. So I did.
> Did I make a mistake here? From the driving impressions of those
>who
>have the 3.89/OD setup it seems as if I'm losing a bit of performance.
>
>Yet Dick says I'll ruin my car if I DON'T use the 4.22. Who is right?
>
>Or is there no right answer and this is just a matter of personal
>preference?
>
>Christopher Albers
Jarrid adds:
Chris, I would say that you made a sound desision. Not only did you put
the Mfgr correct part, but you added some zip to boot.
You will be assured to know that you will be able to make it to 60 a full
second faster with the 4.22 than you could with the same setup on
the 3.89 gears.
Smitty gave you good advice here, and you should rest assured that
what you have will last a long time, and meet the needs of normal
driving.
[SNIP]
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