I have found an 235 intake manifold that hopefully will fit my 54 on Craigslist
about 2 hours away in Wichita. Is there any easy way to be sure it's the
correct manifold before I drive two hours and buy it? -- Other than the carb
mounting stud spacing?? Is there a casting or part number I can look for? I
haven't pulled off the old manifold yet that apparently must be for a 216.
Ron
--- In old-chevy-truck@yahoogroups.com, "Nate" <vwna...@...> wrote:
>
>
> Look at the engine or post a link to pix and we'll tell you what engine it is
> .
>
> Then , if it's a 235 , replace the manifolds with a sert of correct 235 ones,
> they're cheap and easy to replace .
>
> Adjust the valves and drain & refill the sump with 10W - 30 or 40 Dino oil ,
> set the points gap and static time it to the Ball & pointer , don't forget to
> squirt lots of oil between the valve springs so the valve stems are well
> wetted , this will prevent sticking or bending .
>
> I'd crank it sa bunch with the spark plugs out to circulate the new oil
> before starting .
>
> DON'T skip any steps or you'll be wasting much time fooling around with it
> and get frustrated .
>
> I hopw this helops , these engines are almost un killable and once running ,
> the compresion should come up again .
>
> -Nate
> Ron wrote:
> >
> > OK, I'll tell you right now this is long and complicated.
> >
> > I bought this 54 1/2 ton this spring and have been trying all year to get
> > it running. It had no starter, carb, air cleaner, generator, etc. I
> > bought what I thought was a carb for a 235. However, when I tried to
> > install it today the mounting holes were too wide for the studs. Some
> > quick meauring showed the manifold bolt spacing to be 2 15/16 for the carb
> > and 2 11/16 on the manifold. So I thought I will try the carb from the 49
> > I also own and I find out the spacing on the 49 is 2 15/16. So I check the
> > Internet and determine a 216 carb has 2 11/16 spacing and the 235 carb is 2
> > 15/16. So my 54 engine has a 216 manifold and apparently the 49 has 235
> > manifold. Time for more research, the 235 valve cover has 4 screws holding
> > down vs two studs; a quick look at the 49 and I find it has the 235 valve
> > cover and the casting number (3835913) is for a 54-55 235 engine. So
> > apparently the 49 3/4 ton has a 235 engine. And I don't know what the 54
> > truck has in it since it is not handy to check, but I remember taking out
> > screws to remove the valve cover vs having two studs on the top of the
> > cover. My best guess, for some reason, some one put a 216 manifold on the
> > 1954 235 engine. I'll have to check casting numbers to verify this. It
> > looks like someone modified the exhaust manifold to make it a dual exhaust
> > so maybe they changed the intake as well. And apparently some time my Dad
> > replaced the 216 engine in the 49 or at least installed a 235 head.
> >
> > So my questions:
> >
> > I guess I can verify the 49 has a 235 engine by checking the block casting.
> > Would it even be possible to install a 235 head on a 216 block? This
> > truck was bought new by my Dad and neither my Mom or I remember putting a
> > new engine in the truck.
> >
> > And what should I do with the 235? I have a carb that doesn't fit and I
> > still am still missing all the other parts. My neighbor/mechanic did check
> > compression and 5 of the 6 cylinders are about 100 psi. The other is about
> > 70 psi, but he wonders if maybe some debris could be stuck in a valve since
> > the engine did not have a carb and the intake wasn't covered for who knows
> > how long. Replacing the manifold won't be easy. I suppose I can find a
> > base plate from a 216 carb and I could put it on the 235 carb I bought. I
> > am about ready to punt this engine before I get in any deeper.
> >
> > If you are still reading, I would appreciate any thoughts.
> >
>
------------------------------------
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