Max Heim wrote:
>
>
> >Max Heim wrote:
>
> >
> ...and you disagree with the cam grinder on this?
Cam grinder can say what he wants, it's his product. However I've
bought lots of new and reground cams. He's the only one I've heard of
who says this. He's a majority of one in a good size group.
It means I did everything
> >right. If the mechanic covered all the bases, it should fire right up.
> >
> So, you think that buying a brand-new Weber, and manifold, and hooking it
> up to a just-rebuilt engine, it should fire up first time, and run
> properly at all engine speeds (avoiding all the problems I mentioned)?
Sure do. I've done it lots of times. If the carb's a good rebuilt or
a new one and the installation is done correctly, it will start right
up, especially with an electric fuel pump to fill the bowl(s) before the
starting attempt is made.
>
> >
> > I wouldn't put the Weber on it either, but it has nothing to do with
> >the cam. If the carb works it should fire right up. If it doesn't,
> >someone didn't take steps to ensure that it would.
> >
> And what would those steps be, that is what I am asking?
If the carb is new and was sold in a kit for the B engine, all that's
necessary is to make sure the installation is done properly. If the
carb is used it should be gone through as part of the engine rebuild.
>Hard to jet a carb, or adjust the choke, on a non-operating engine...
Not at all. The data for the which jets to use for the application is
readily available. The choke adjustments are made on the bench before
the carb is installed. If the carb is cleaned out, all questionable
parts replaced, a _good quality_ tune-up kit installed and everything is
adjusted correctly as it's reassembled, it will work just fine. Anyway,
changing jets is something you do to fine tune the carb, not something
you do to get the engine to run.
>
> > Max, this "process" is not unique to bedding in a cam. Any mechanic
> >is going to run a newly rebuilt engine in for a half-hour or more at a
> >couple of KRPM. Meanwhile the engine will be checked for leaks,
> >overheating, noises, etc, etc. No big deal. Might even tip a brew to
> >celebrate. ;^)
> >
> Hmmm, perhaps. I have never rebuilt an engine without installing a new
> cam, so I can't comment. But I do know that the cam manufacturer's
> instructions include a specific bedding-in period.
Huh? Looks like you missed the point. My point was that when one
fires up a rebuilt engine, one runs it in for a while to bed in all
the moving parts, not just the cam.
Cheers,
CR
|