Hi Jay -
I looked in my book and didn't find the 3:54 gear ratio until 1971 and it
was listed for use in the K-20 Series
Joe
-----Original Message-----
From: Jay Baker <jaybaker@ruralnetwork.net>
To: oletrucks@autox.team.net <oletrucks@autox.team.net>
Date: Tuesday, January 15, 2002 4:46 PM
Subject: [oletrucks] rearend questions
>I found what I think may be a good rearend candidate for my 38 1/2 it's out
of
>a 70GMC I think at least it was in the back of it and has a 6 bolt pattern.
I
>tried looking up 67-72 axle codes on American classics and the only 3.54
ratio
>rear ends were in 3/4 tons ? I guess the short version is what do
>I Have or almost have I haven't picked it up yet it has a tag on it
#5352557
> 46-13 3.54
>I'm assuming a 3.54 ratio it is also 10 bolt and for my application is
>probably stought enough (mild 235 buildup)
>it's 51" backing plate to backing plate . approx 62" hub to hub
> 46" from the outside of spring perches
>this way I don't have to change the front end to IFS and get the higher
Ratio.
>I also plan on using a s10 5 speed at some point to get OD so does this
sound
>like a good Way to go before I waste my $60 any Info would be appreciated .
> As this was not installed in truck but laying in the back I'd like to do a
>little more checking to see exactly what it is. any Ideas?
>
> Thanks Jay Baker
>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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