----- Original Message -----
From: "T.R. Scratchings" <wob@dandrade.freeserve.co.uk>
To: <FOT@team.autox.net>
Sent: Thursday, February 27, 2003 2:27 AM
Subject: Fw: TR3A cooling
>
> ----- Original Message -----
> From: "T.R. Scratchings" <wob@dandrade.freeserve.co.uk>
> To: "Dean Tetterton" <richtr@erols.com>
> Sent: Wednesday, February 26, 2003 10:01 PM
> Subject: Re: TR3A cooling
>
>
> > Absolutely right Dean. The three things you refer to are the most
> critical.
> > Use a three row in-line core- four row cores cause too much turbulence.
> Lose
> > that starter hole - gain 15% flow. The bypass blank lowers temperature
> > dramatically, and can be used with a conventional 'stat as long as the
> blank
> > is drilled 5/16".
> > The gutted 'stat isn't strictly necessary, as the exit from the head is
> > around 'stat hole size.
> > One final thing to check - some while back, a load of water pumps was
> > released onto the market with the wrong impeller fitted, about 1/4" too
> > shallow - so, measure impeller depth vs. depth from front of water pump
> > housing. You'll see if there's a problem.
> > Be cool
> > Jon Wood Classic Racecraft
> > ----- Original Message -----
> > From: "Dean Tetterton" <richtr@erols.com>
> > To: <fot@autox.team.net>
> > Sent: Wednesday, February 26, 2003 7:19 PM
> > Subject: TR3A cooling
> >
> >
> > > I will tell everyone how my TR3 is set up. I have hit 210 degrees on a
> > > hot day at VIR but that is unusual.
> > > I use a stock Tr3 radiator that was recored with a modern core and no
> > > crank hole. The water pump bypass
> > > Is blocked and I use a TR6 thermostat that has no disc. Just a body to
> > > slow down the water. You can not fill
> > > The radiator all the way up. That big neck is the expansion tank. I
fill
> > > mine until I see water about < inch deep in the neck.
> > > It has never pushed any into the catch bottle. If you fill the neck up
> > > it will push some out.
> > > I do use an electric fan with a manual switch. I only run it when
> > > sitting still. I do use it to cool down the radiator after
> > > A session.
> > > On the wide mouth cars also make sure you have a shrould around the
> > > sides and across the top.
> > > Remember guys no cheating and raising the back of the hood up or
screen
> > > wire in place of the headlights
> > > Dean Tetterton
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