Mike,
I am very grateful for the research you have done.
I believe that 3731548 is the casting number because I can see 731548 now
that I have cleaned it better.
It does have the cannister type oil filter. It is a 2 barrell.
You can bet that I will save this message for future reference when I have
the valve covers off.
I am pleased that this motor has a forged crankshaft and the heavy duty
pistons. It should last a long time.
Where would the crankshaft number be located? Any idea of the compression
ratio? If I am being a nuisance, please let me know... It is exciting to
find someone with the knowledge you have about this engine.
-----Original Message-----
From: Boteler Family <boteler@olg.com>
To: OLETRUCK list <oletrucks@Autox.team.net>; kirk pierce
<kpierce@charter.net>
Date: Tuesday, March 27, 2001 9:05 PM
Subject: Re: [oletrucks] 283 in a '57?
>Kirk, I have done a little more research on your engine and here is what I
>found:
>
>I was wrong...."S" was used '57, '58 and '59 (I missed the '59). My book
>lists '58 & '59 as 283 4 barrel. Is yours a 2v or 4v?
>
>If your casting number is 3731548 then it is definitely a '57 block (2 bolt
>main), that number is only used in '57.
>
>The cranks were all forged in '57 and should be stamped 3735236. There
were
>thick and thin top pistons used, the 6000 series and up got the thick ones.
>
>You will need to remove the valve cover to confirm the heads are correct.
>The '57 head could be one of the following: 3731539, 3731544, 3731554,
>3731556, 3740997, 3747363, 3755537, 3755549, 3836842, 3837064,
>3848720.
>
>Also the '57 283 has a canister type oil filter in the normal location on
>the drivers side. The only V8 without an oil filter is the '55 265.
>
>Hope this helps,
>
>Mike Boteler
>'56 8400 Wrecker
>Hughesville, Maryland
oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959
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