Re: [ihc] Should I bore my block or not?

[Tom Mandera <tsm1@xxxxxxxxxxxxxxx>]

On Sat, 15 Nov 2003, Rocky Lear wrote:

> Is it a good idea to bore a 392 block? I'd like to have as many cubes
> as I can but given the restrictive nature of the heads...even after a
> good port job...I don't know if I should go any farther than the
> minimum needed. I spoke to a guy who actually used to run an IH truck
> in pulls and he says that he had blocks bored .125ths over without
> problems. What do you think?

My 392 was punched .060 and stroked .035 for 405.6cid.  I ported the
heads, BBC springs, and an Isky 256/262 camshaft.

With the stock rear-dump manifolds and stock exhaust, it ran fine to
4000rpm, and I expect to 5k without problem (it isn't broken in yet).