Re: [ihc] Re: SII 345 compression test

[Ted Borck <tborck@xxxxxxxxx>]

On Thu, 5 Feb 2004, Ryan Moore wrote:

>
> ----- Original Message -----
> From: "Marcus" <shodude@domain.elided>
> To: "John Hofstetter" <hofs@domain.elided>
> Cc: "Ryan Moore" <baradium@domain.elided>; "Ted Borck" <tborck@domain.elided>;
> <ihc-digest@domain.elided>
> Sent: Thursday, February 05, 2004 22:22
> Subject: Re: [ihc] Re: SII 345 compression test
>
>
> > 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.
> >
> > Marcus
>
> I seem to remember Data suggesting it could take that long for IH engines,
> and people backing it up with thier readings.

We're talking about hard rings running against extremely *hard* cylinder
walls.

I've owned cars with chrome plated cylinders, and it took a long time for
those vehicles' rings to seat.  In fact with those vehicles, over a quart
of oil used every 1,000 miles was considered normal by the factory.

--
Ted Borck	tborck@domain.elided

> -Ryan
>
>
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