Broken valves and broken dreams

[putneyflash@...]

Caterpillar had weak valve springs in the early 80'S, we replaced thousands in
truck engines, there were other applications that used the same spring and they
gave no trouble if the engine was not in a truck.
as far as rpms we had 3208's in several applications, med duty trucks, scrapers,
and irragation engines, and excavators. the irragation engines ran at full load
for weeks on end sometimes when their was a drought, in an excavator you fire it
up ,warm it up, move to full throttle and dig holes and ditchs all day. the
medium duty trucksi think in those days the speed limit was 55MPH but not sure.
strrong engine but keep your valves adjusted.
re

-------------- Original message from "Mike Hohnstein" <MHOHNSTEIN@...>:
--------------

I told the forums the way it is, there are plenty of "other"folks who like to
talk with out facts or reality to back up their remarks. I know what I'm
talking about.
MH
----- Original Message -----
From: Mr Chris Valdes
To: WanderlodgeForum@yahoogroups.com
Sent: Thursday, March 16, 2006 7:45 PM
Subject: Re: [WanderlodgeForum] Re: Broken valves and broken dreams


I have a 78 FC 33 with a non turbo 3208. My mechanic
says to keep it under 2500 however that is also around
55-60. I have others tell me that work on Cats that
those motors love to rev....
i am also confused???

Help
Chris
78 FC 33 Palmdale, ca "Seguro"

--- Mike Hohnstein <MHOHNSTEIN@...> wrote:

> Hmm, 2200 is 55 in your "vehicle", sounds like
> "around" 2 grand to me. Mebbe you need a hobby?
> MH
> ----- Original Message -----
> From: Jon
> To: WanderlodgeForum@yahoogroups.com
> Sent: Thursday, March 16, 2006 6:32 PM
> Subject: [WanderlodgeForum] Re: Broken valves and
> broken dreams
>
>
> --- In WanderlodgeForum@yahoogroups.com, "Mike
> Hohnstein"
> <MHOHNSTEIN@...> wrote:
> >
> > It should be noted that BlueBird recommended and
> I quote; Keep it
> around 2000 rpm. The recommendation is for the
> 3208. Cat calls 2400
> rpm in marine applications, "continuous cruise
> speed".
> > Some people think it's wise to check valve
> adjustment every 50k
> miles, some think that's too much. I check it
> more often as I fear
> broken parts and I DO NOT EVER take short cuts
> with my vehicles of
> any kind.
> > However, ignorance is bliss for most folks and
> occasionally the
> bite in the butt from reality hurts.
> > Weak valve springs is the most common cause of
> valve failure,
> springs can lose tension in storage. At rest, some
> valves are open at
> max lift and some are closed. Those that are open
> can take a set and
> lose closing strength, this allows the valve to
> bounce in operation,
> compound the problem by running 2700/2800 rpm and
> some times stuff
> breaks.
> > Watch that valve lash and check the valve spring
> tension regularly,
> other wise, keep your fingers crossed. Ain't
> diesels fun?
> > Mike Hohnstein
> > Germantown, WI
> > 83FC35
> >
> > [Non-text portions of this message have been
> removed]
>
>
> Just one nagging question and that concerns the
> chart on the Vintage
> Bird site! it states that at 2000 RPM' at 3208 n/a
> engine in a F/C
> unit speed will be 48 MPH. Now lets get real about
> keeping it at 2000
> RPM's and going down a freeway. Do you think when
> these coaches came
> out that the Bluebird Corporation stated in there
> factory manuals
> that there motor coaches would last allot longer
> if they were only
> driven under 50 MPH? I might be different than
> most drivers but I try
> to keep my speed at 55 but not 48 mph on the
> freeway. Does anyone
> have a drivers manual for one of these old units?
> it would be
> interesting to check it out and see what corp.
> said in those days.
>
>
> Jon
> 1978 Wanderlodge
> Bremerton Washington
> >
>
>
>
>
>
>
>
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>
>
> [Non-text portions of this message have been
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