RPO is Regular Production Option. Some examples are Z28 for Camaro, Z11 was an
early 60's big block and Z71 for newer truckers.
-----Original Message-----
From: Rich Kosiba [mailto:kosibar@kolbenet.com]
Sent: Tuesday, April 22, 2003 2:20 PM
Cc: OLETrucks
Subject: Re: [oletrucks] Will ring and pinion in 48 car fit in 54 truck?
Someone sent me a scan from the restoration pack on the page with the gear
information on it. It seems that some were 4.11 and some were 3.73 (or
something like that, I don't have it sitting right in front of me here).
One is marked as Reg, the other as RPO. I'm not sure what the RPO means,
but I'm hoping that I'll be able to find a casting number that will tell
me what it is. I go tomorrow to pick it up.
RPO - Ring and Pinion Option?
Rich
'50 3100
'54 3100
> ----- Original Message -----
> From: "Rich Kosiba" <kosibar@kolbenet.com>
> To: "OLETrucks" <oletrucks@autox.team.net>
> Sent: Monday, April 21, 2003 7:29 PM
> Subject: [oletrucks] Will ring and pinion in 48 car fit in 54 truck?
>
>
> > I'm getting a rear axle from a '48 Chevy convertable. I believe my '54 has
> > 4.11 gears in it, not the original 3.90. :( What would the '48 car have in
> > it, and would it fit in my '54?
> >
> > (FYI - the casting number on the '54 rear axle is for a '49 and someone at
> > one time had run over something - bent some pretty heavy metal - so they
> > probably destroyed it and just pulled the axle out of a '49.)
> >
> > Thanks!
> >
> > Rich
> > '50 3100
> > '54 3100
> > oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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