[Mgs] Running hot

[i erbs]

If you have access  a thermal gun you can point it at various areas of your
radiator to see if you have cooler blocked areas.

Ira Erbs
1959 AH 100-6
1967 MGB
Milwaukie, OR

On Sat, Jan 30, 2021, 4:10 PM Robert's New iPad <mgbobh at gmail.com> wrote:

> Hi Rick,
>    You have been systematic about this.
>    Good question about the opening of the new ‘stat.  As far as I know,
> they either open completely or not at all.  Others may know for sure.
>    Sounds like you did all the right things with your efforts to clean the
> radiator.  I still wonder if it had sediment that solidified during the
> time the car was not in service.  Was that a long time?  Antifreeze in the
> radiator then?
>    Check the side-to-side temps of radiator.  If the sides and centre are
> not close in temp, I would suspect blockage in the sides.
>    Why the electric fan? My MGB with its yellow plastic fan was happy year
> round in Sarasota, admittedly not the heat of Houston, but I never had any
> worries.
>    Is fan turning the right direction? I have heard about that but never
> seen it.
> Bob
>
>
> > On Jan 30, 2021, at 6:38 PM, rolindsay at yahoo.com wrote:
> >
> > Hi Bob,
> >    Thanks for the kind words, considered thoughts, and recommendations.
> I quote (most of) your words here so as to not miss any salient points.
> >
> > > Those of us shivering at 9 degrees this morning, with a wind
> > > blowing, almost wish we had your problem.
> >
> >    LOL! I may be saying the same thing to you in 6 months, if with 90
> degrees added to your 9!
> >
> > > Same temp at radiator neck and ‘stat housing suggests
> > > that the thermostat is working, though if you have any
> > > doubt about it and do not know its age, you might consider
> > > replacing it anyway.
> >
> >    I agree, but at what flow level? Perhaps the thermostat, which is
> new, may be not opening fully. If restricting flow, the temperatures before
> and after the thermostat might equilibrate but without enough coolant flow
> to keep up with the engine's waste heat.
> >
> > > Were you able to measure top/bottom, left/right the
> > > radiator core temperature?
> >
> >    Yes, but I didn't record the temperatures. I just verified that the
> bottom if the radiator was cooler than the top.
> >
> > > If temp does not reduce from top to bottom, or there are
> > > different temps at the same distance down from top,
> > > you could suspect the radiator.
> >
> >    I will examine further. When restoring the car I cleaned the
> radiator, inside and out, and straightened any bent 'fins'. I back-flushed
> the radiator with hose water then once the rinse water 'ran clear', I
> flushed it forward. Outside I sprayed the fins from both sides, with
> SimpleGreen then flushed it clean, back to front, with the water hose
> sprayer, again until the wash water ran clean.
> >
> > > I have not had stellar success with radiator cleaning products.
> > > My recommendation is to take it to a radiator shop and have it
> > > cleaned and serviced.
> >
> >    See above.
> >
> > > What do you know about this water pump?
> >
> >    It is new.
> >
> > > If, when your bring up engine temp from cold, with the rad cap
> > > off, you do not see some swirling in top of the radiator, the water
> > > pump is suspect.
> >
> >    Will check, even though it is new (or perhaps rebuilt in China).
> >
> >  Rick
> > _______________________________________________
> >
> > Mgs at autox.team.net
> > Donate: http://www.team.net/donate.html
> > Suggested annual donation  $12.75
> >
> > Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
> >
> > Unsubscribe: http://autox.team.net/mailman/options/mgs/mgbobh@gmail.com
> _______________________________________________
>
> Mgs at autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.75
>
> Archive: http://www.team.net/pipermail/mgs http://autox.team.net/archive
>
> Unsubscribe: http://autox.team.net/mailman/options/mgs/eyera3000@gmail.com
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://autox.team.net/pipermail/mgs/attachments/20210131/cc7e0468/attachment.htm>