Re: [ihc] Re: SII 345 compression test

[Ted Borck <tborck@xxxxxxxxx>]

On Thu, 5 Feb 2004, Marcus wrote:

> Well, I know what I would do if I were looking at a rebuilt 345 with 90psi
> for compression. Rebuilt or now, I wouldn't look at it anymore. If it has
> over 1K on it and the compression is still reading low, then it wasn't
> broken in properly. Either way, with a compression range from 90-110, it's
> still off and has issues.
>
> Regardless of what IH was teaching their techs, 5K is excessive for seating
> of the rings let alone 40K.

The purchase will not probably hinge on the engine.

The body, exterior & interior is in excellent shape.

My main concern is whether the rebuild mechanic used new rod bolts & nuts
during the rebuild.

IAE, I have two other good running 345 V8s available.

I would tho  - be more comfortable with a compression range of 120 - 140.

--
Ted Borck	tborck@domain.elided


> Marcus
>
> ----- Original Message -----
> From: "John Hofstetter" <hofs@domain.elided>
> To: "Marcus" <shodude@domain.elided>
> Cc: "Ryan Moore" <baradium@domain.elided>; "Ted Borck" <tborck@domain.elided>;
> <ihc-digest@domain.elided>
> Sent: Thursday, February 05, 2004 10:59 PM
> Subject: Re: [ihc] Re: SII 345 compression test
>
>
> > On Thursday, February 5, 2004, at 07:55 PM, Marcus wrote:
> >
> > > The rings should have seated in under 1,000 miles unless it was a Hi-po
> > > rebuild.
> > >
> > > Either way, 90 PSI is cause for concern.
> > >
> > > Marcus
> >
> > International in the 70's were teaching their reps that their V8's were
> > not fully broken in (rings seated) until around 40,000 miles.
> >
> > And, not to be argumentative, but 90 psi with rings not yet seated is a
> > lot less concern than 90 psi after rings are seated.
> >
> > John
> > John Hofstetter
> > www.goldrush.com/~hofs