View Single Post
Old 10-31-2006, 03:44 PM   #7 (permalink)
Chris Burgess
Guest
 
Posts: n/a
Re: Big bore questions round II - Crank Grinding?

I know welding makes the metal as one but for some reason doing what
you say just doesn't sit well with me. I don't know why....I guess
its cause I'm a crappy welder and would end up with many voids in that
weld. :)

Thanks for the info.

On 10/31/06, Ren Finley wrote:
> The 383ci Small Block Chevy is a 350 with an unmodified 400 crank. The
> most common way to resize the ConRod bearing is to weld additional
> material on the outside of the journal and then grind/polish into the
> desired size. It is a very common technique for rare/collector cars
> then the bearing journal become too small for the smallest available
> bearings. I had it done to a 1957 Alfa Romeo coupe.
>
> Don't know how it would work on a 10k RPM motorcycle though.
>
> Ren
>
> On 10/31/06, Walzer, Carl (.) wrote:
> > That might be too much to make up with a bearing. The car projects I've
> > heard of either got aftermarket rods bored to size, or "resized" their
> > current rods. Not sure if resizing means welding up and boring again, or if
> > there is another process. The Chevy 383(?) is a stroked Chevy 350. Do a
> > search on that and you'll likely get some info.
> >
> > Carl
> >
> > -----Original Message-----
> >
> >
> > This reduces the size of the connecting rod journal correct? If so do
> > you just make up the size difference with a bearing? If not what do
> > you use?
> > _______________________________________________
> > vfr mailing list
> > vfr@xxxxxx
> > For subscription and delivery options:
> > https://lists.cs.wisc.edu/mailman/listinfo/vfr
> >

>
>
> --
> Ren Finley :: ren.finley@xxxxxx
> -------------------------------------------------------
> "Luigi follow only the Ferrari"
> -Luigi, Cars
> _______________________________________________
> vfr mailing list
> vfr@xxxxxx
> For subscription and delivery options:
> https://lists.cs.wisc.edu/mailman/listinfo/vfr
>



--
Check out my racing site...http://www.burgiracing.com and my blog at
http://blog.burgiracing.com
_______________________________________________
vfr mailing list
vfr@xxxxxx
For subscription and delivery options:
https://lists.cs.wisc.edu/mailman/listinfo/vfr