RE: Subject: Cooling System Questions

[mike d ryan <fly4scout@domain.elided>]

>Date: Fri, 4 Jun 1999 17:57:39 -0700
>From: "Jim Hannon" <jhannon@domain.elided>
>Subject: Cooling System Questions
>
> One thing in particular is the coolant tubes the run from the pump to
>the heads along with the retaining clips that hold them to the heads.
Can
>parts like this be bought at a Navistar dealership or do I needed to
start
>digging in the local junk yards. I would think that they would still
carry
>parts for the motors because of their wide use, but it has been a while.
By
>the way the motor is a rebuilt 345. I don't know if the tubes are
different
>between the 304 and 345. Any info is welcome.
>Thanks,
>Jim Hannon

Jim,
When I rebuilt my 345, I didn't have the tubes either.  I went to
Navistar and purchased both tubes new and in stock for around $70 total. 
The ones I found in junk yards had the ends rusted away more than I felt
comfortable with.  I think the new ones came with the rubber o-rings as
well.  As for the clips, try to find them used.  Navistar wants something
like $8 each for them.  I used the wire brush on my grinder to clean them
up, rebent them to original position, painted, and installed.  The new
tubes fit my old block VERY tightly with no leaks.  I believe the 304 and
345 use different tubes, since the block height is taller on the 345.




1977 Scout II,  ported 345, automatic, Dana 300, 3.54 gears,
4" superlift springs, 1.25" body lift, 33 X 12.5 Swamper TSL Radials

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