[TR] tr3 cooling

[DLylis at aol.com]

In a message dated 2/21/2009 11:31:02 A.M. Eastern Standard Time,  
rtriplett25 at yahoo.com writes:

The  original fan doesn't seem to do the best job drawing air in. Moss sells 
a  conversion kit that fits the much-improved six bladed yellow fan. Cost:  
$240



Wow.  I have a yellow fan on my TR3A, two friends have yellow  fans on their 
TR3A, and none of us paid $240 to get this done.  I just  mounted the yellow 
fan and then moved the radiator forward as much as possible  by elongating the 
holes.  This is may be 1/8", tops, and it works  fine.  IMHO this conversion 
kit is not necessary.  
As to the recore, you are talking about some fairly serious $.  The  price of 
this job has gone way up in the last couple of years.  
What I found in my motor, and I understand that it is fairly common, is  that 
the coolant passages in cyliner #4 get plugged up with crud over the  years.  
A good way to get an idea on this is to open the drain cock on  the block by 
cylinder #4.  If nothing comes out it is a pretty good  indication that this 
is a contributing factor.  
If I were you I would put on a yellow fan, flush the cooling system, see  
what results you get and then go for the next step.  If you do the work  yourself 
you are looking at some short money.
 
As well, check your timing and make sure it is not contributing to  overheat.
 
David  Lylis
69 TR6 CC26160L
60 TR3A TS74461LO
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