Re: Success With Exh Manifold Cement?

[Douglas Frank <frank@zk3.dec.com>]

Karl Vacek wrote:
> 
> More important than what kind of cement you use, you need to stop-drill the
> crack.  You mention that it grew quickly.  Cement MAY goo it over, but it
> WILL NOT add any structural rigidity.  Although you probably are hesitant to
> add any openings to your manifold, you should drill a small

        [snip]

Best to ream the hole as smooth as possible, too; and if the metal is at
all malleable, hit the edges with (ideally) some sort of round-end punch
(or a ball bearing):

                       |
                       |
                   ||  |
                  (__) V
          ________    _______
                  \  /
                  |  |


...compresses & polishes the metal at the edge of the hole (reducing
stress raisers)

--
Douglas Frank  Compaq Computer Corp.
ZKO            110 Spit Brook Rd.
DTN 264-0501   Nashua, NH  USA  03062