[TR] Overheating issue

[TERRY SMITH]

Hmmm... in the last photo, I just realized the license plate obstructs a small portion of the grill.  Would that reduce cooling by some single digit percent?

> On June 21, 2017 at 11:27 PM Don Hiscock <don.hiscock at gmail.com> wrote:
> 
>     Not all wide mouth grilles are the same as TeriAnn notes.  Even older ones, possibly later Triumph spares, aren't quite as open as the originals.  Here's one of the key places to look at -- check the crank opening on a *very* nice original grille here:
>     https://photos.smugmug.com/photos/i-dWhQkQm/0/1f316f4a/X3/i-dWhQkQm-X3.jpg
> 
>     Note that the TR3S cars at LeMans in 1959 had grilles that were further modified to increase the open area  Shown here in a photo from my collection.
>      
>     https://photos.smugmug.com/photos/i-9kP26m3/0/ce101702/X3/i-9kP26m3-X3.jpg
> 
>     Paul Hogan did something similar on his XHP 939 TR3S tribute car.  Shown here in a photo from the 2015 Goodwood Revival:
>     https://photos.smugmug.com/photos/i-LhWvQN6/0/73067ad5/X3/i-LhWvQN6-X3.jpg
> 
>     Another factor not to ignore when resolving cooling issues on a wide mouth sidescreen car is the fitment of the fiberboard duct inside the apron.  Without that the airflow through the radiator is significantly reduced.  That has to be part of any overheating double check/resolution plan.
> 
>     On Wed, Jun 21, 2017 at 3:30 PM, Andrew Uprichard <auprichard at uprichard.net mailto:auprichard at uprichard.net > wrote:
> 
>         > > 
> >         Wow – never heard of this before.  Bu then I primarily restore small-mouths.  But I do have a nice used wide-mouth grille if anyone wants to solve their overheating issues,… J
> > 
> >          
> > 
> >         Andrew Uprichard
> > 
> >         Jackson, Mi
> > 
> >          
> > 
> >         From: Triumphs [mailto:triumphs-bounces at autox.team.net mailto:triumphs-bounces at autox.team.net ] On Behalf Of TeriAnn J. Wakeman
> >         Sent: Wednesday, June 21, 2017 9:13 AM
> >         To: triumphs at autox.team.net mailto:triumphs at autox.team.net
> >         Subject: Re: [TR] Overheating issue
> > 
> >          
> > 
> >         On 6/20/17 7:30 PM, Chris Simo wrote:
> > 
> >             > > > 
> > >             Overheating. Lots of culprits to pursue. Likely you've cosidered most already, but in cases.
> > > 
> > >              
> > > 
> > >             Old radiator with less than optimal connection between the core and fins. Worn out water pump (poor flow). Stuck thermostat. Clogged water passages in engine ( my tr2 had horrible scale blockage). Bad radiator cap. My favorite, electric fan blowing the wrng way (surprised at how often i see this).  Incorrect timing.  im sure ive missed some....
> > > 
> > >              
> > > 
> > >             Keep us posted.
> > > 
> > >         > > 
> >         Do you have an aftermarket grille? If yes, it may be your culprit.
> > 
> >         http://www.tr3a.info/FAQ_grill.html http://www.tr3a.info/FAQ_grill.html
> > 
> >         TeriAnn
> > 
> >         --
> > 
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