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Re: [oletrucks] 235 or 261?

To: Allen Jones <jonesal@u.washington.edu>
Subject: Re: [oletrucks] 235 or 261?
From: New Mexico Jim <ADvent@thuntek.net>
Date: Fri, 04 Aug 2000 15:34:49 -0600
Ok, how far can a 261 be bored? How can I tell if I can run a hydraulic bump
stick in it?  You mean Canadian 261 blocks have one casting mark or all Cn.
engines have the single casting mark? Thx. Mine has the skinny oil lines. Does
Canada issue titles? Mexico does not. Your registration is proof of ownership.

Allen Jones wrote:

> Hmmmm, I was told that the captain's bars were for 261s only, two bars for a
> US casting and one bar for a Canadian casting (may be the other way around).
> Everyone with a Chevrolet inline run out, look at your blocks, and let us
> know!!
>
> Sometimes the head casting number doesn't work as a 235 head is easily
> modified to work on the 261 (as I have modified a 235 848 head to fit my
> Canadian 261).  Also, some later, full-flow 261s can be IDed by the larger
> diameter oil filter lines.
>
> I hope you've got a 261!!!
>
> Allen in Seattle
> '50 3100
> Inliner No. 2235
>
> ----- Original Message -----
> From: "Jack Halton" <safesix@earthlink.net>
> To: "oletrucks" <oletrucks@autox.team.net>; "New Mexico Jim"
> <ADvent@thuntek.net>
> Cc: "the dodgeless listserver" <oletrucks@autox.team.net>
> Sent: Friday, August 04, 2000 9:01 AM
> Subject: Re: [oletrucks] 235 or 261?
>
> > My 261 has the "captain's bars" behind the starter but I'm told that some
> > 235's have them too. Strange that somebody would go to the trouble of
> > removing casting numbers. Measuring bore size looks to be the only sure
> way
> > to know what motor you've got. Is there a casting number visible on the
> > head? 261's had extra steam holes, so the head has a different casting
> > number than a 235. I have a list somewhere.
> >
> > Jack Halton
> > 51 GMC 1/2 ton
> > Winter Park FL
> > ----- Original Message -----
> > From: "New Mexico Jim" <ADvent@thuntek.net>
> > Cc: "the dodgeless listserver" <oletrucks@autox.team.net>
> > Sent: Friday, August 04, 2000 11:27 AM
> > Subject: [oletrucks] 235 or 261?
> >
> >
> > >
> > >
> > > Somebody else swapped out engines in my 51 two ton dump with a 235 or a
> > 261. It
> > > is green and has 2 cast in vertical lines right about the middle of the
> > starter
> > > on the block. There are no casting numbers and the numbers on the pad to
> > the
> > > rear of the distributor has been machined off. This appears to be a 261,
> > is it?
> > > I really don't want to pull the head to find out. If it is a 261, I am
> > going to
> > > swap engines between my 50 ½ ton and my 51 two ton. thx
> > >
> > > 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

oletrucks is devoted to Chevy and GM trucks built between 1941 and 1959

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