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Re: overheating TF

To: <mg-t@autox.team.net>, "don" <brgmgb@napanet.net>
Subject: Re: overheating TF
From: "Bob and Carolyn Grunau" <cgrunau@pathcom.com>
Date: Mon, 28 Jun 1999 08:32:13 -0400
good point on the3 anti-freeze.
also, check timing not retarded.
Bob

----------
> From: don <brgmgb@napanet.net>
> To: mg-t@autox.team.net
> Subject: Re: overheating TF
> Date: Saturday, June 26, 1999 8:45 AM
> 
> This may be old information to you, but are you running 2/3 to 3/4 water
as
> coolant?  Too much antifreeze impairs cooling. I found this out the hard
way
> years ago.  Use about 1/3 antifreeze and use Redline in your cooling
system.
> You will gain maybe 10 or 15 degrees reduction in temperature.
> 
> Also, you can take your car to a smog shop and they can put the sniffer
in
> the coolant with the car running and you can see if you've got a cracked
> head or block or bad head gasket.  Exhaust gasses in the coolant will
cause
> terrible overheating.  
> 
> Don Scott
> 
> 
> At 11:41 PM 6/25/99 -0700, you wrote:
> >Just installed my rebuilt XPAG engine and am having problems keeping it
> >cool.  Engine rebuild included cylinder resleeving, new bearings, new
> >3/4 race camshaft, new valves including valve guides and hardened
> >seats.  Above work was done by a local machine shop and I assembled the
> >major parts and installed the engine.
> >
> >Symptoms:  Engine starts and runs fine for first five miles then
> >temperature continues to increase until coolant boils (gauge reads 185 C
> >but doubt its accuracy as coolant should be good to about 265F.  It
> >appears to me that the engine is putting out more heat than the cooling
> >system can absorb.
> >
> >The water pump appeared normal on installation.
> >
> >The radiator was tested and cleaned by a local radiator shop with no
> >discrepancies noted.
> >
> >Thermostat was tested and opened normally.  I then cut out the center
> >part of the thermostat and reinstalled just the ring.  This helped by
> >slowing the rate of temperature rise but end result was still the same.
> >
> >Any ideas on what could be causing this?  Could it be from all the new
> >parts, the camshaft etc.?  I am just driving it short distances until
> >this gets resolved.  Total miles on the rebuild now is about 65.
> >
> >Incidentally air temperatures have been in the 90's the last couple
> >weeks.
> >
> >Bob Peck
> >
> >
> >
> 
> 
> The above address is for list purposes only.  Please send private e-mail
to:
> scottdon@napanet.net
> 
> RetroMobilia w/ original advertising artwork featuring:
>     Riley 1.5, '62 Buick, '91 Miata Special Edition, & MG TF, & 215 V8
> Check it out:
>     http://www.geocities.com/MotorCity/Track/2508/
> 
> 
> 
> 
> 
> 
> 

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