[Fot] TR4 Coolant System Expansion/Recovery

[Mark Pendergrass]

Good  Morning and Happy New Year to All, Peter, my exp. tank is mounted high 
on the firewall. There are four lines comeing from said tank, the lowest one 
is a 1 1/4 in. which goes to a tee in the water pump to lower rad. hose. 
Next up on tank is a 5/16 line to rad. neck, third one up is a 5/16 line 
which goes to a hand built low profile stat houseing, ( no stat used ) and 
the forth line up is a 3/8 hose to a catch can, never an issue with any air 
in system, my problem is the car runs to cold so i'm trying to locate an 
inline thermostat at top rad. hose, tired of screwing around with cardboard, 
hope this info. helps......Mark Pendy #65 tr4
----- Original Message ----- 
From: "Peter Vucinic" <pvucinic at netspace.net.au>
To: <FOT at autox.team.net>
Sent: Thursday, December 31, 2009 9:10 PM
Subject: [Fot] TR4 Coolant System Expansion/Recovery


> Lister's,
>
>
>
> I believe that we have already seen a few threads on this subject. But I 
> am
> seeking general consensus on the plumbing/routing of coolant lines to and
> from a coolant system recovery/expansion tank/bottle for the TR4.
>
>
>
> Obviously I am making the following assumptions: -
>
> 1.    Expansion/recovery tank will be mounted higher than the cylinder 
> head.
> Say, on the firewall next to the battery
>
> 2.    Existing Radiator cap to be of the fixed/closed type
>
> 3.    Coolant system over pressure will now be controlled by radiator cap
> fitted to expansion/recovery tank
>
> 4.    Coolant total loss will now occur at the expansion tank due to over
> pressure
>
>
>
> My questions are: -
>
> 1.    Are any of you already running a system such as the above? 
> Successful
> in controlling air into the coolant circuit/system?
>
> 2.    Where is the most appropriate connection to the coolant expansion
> recovery tank made? E.g. At the heater tap port and the back of the water
> pump? Thermostat housing? Radiator top hose/port?
>
> 3.    Do you have an air bleed orifice/port in this cooling circuit/system
> as well?
>
>
>
>
>
> Thanks in advance
>
>
>
>
>
> Kind Regards
>
> Peter Vucinic
>
> TR-4
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