According to Norm Nock approximately 20% of the coolant flow will bypass the
radiator & return to the engine thru the bypass port in the head if you don't
have the sleeved type thermostat. I believed him & have been using one the
sleeved thermostats.
Gary Hodson
-----Original Message-----
From: ggilliam@usol.com
To: Healeys@autox.team.net
Sent: Mon, Aug 23, 2010 5:14 pm
Subject: [Healeys] Thermostat?
On Friday I drove my BN4 to the "Back to the Bricks" car festival in
lint,MI, about a twenty five mile trip, the last half mile quite congested
with all manner of classic, collector, muscle or specialty cars filling
he entire downtown area. Thousands of them!
On the way home that evening, coolant gushed out, in large quantities,
verheated, requiring my first ever use of Hagerty road assistance.
Saturday morning I refilled the radiator, over 1 gal required to fill it.
ar started immediately, but I didn't see the usual coolant circulation
hat I have noticed before. I removed the thermostat, a bit of rusty film
n it, but normal looking. Went for a 10 or so mile drive, all appeared
ormal, temp stayed low (~160).
The thermostat is the usual automotive type, maybe 10 yrs old. The
uestion is, is the much more expensive ($80 or 43) sleeved type in the
oss catalog really that much better?
Comments....suggestions?
Gordy
Longbridge BN4
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