Another way to get air to that bottom section of the rad is to open the
middle of the valance below the grill like on a TR-3S. Also, when I
recored my rad I deleted the hole for the crank as that renders the middle
tubes worthless. Dale
> -----Original Message-----
> From: Catpusher@aol.com [SMTP:Catpusher@aol.com]
> Sent: Wednesday, July 08, 1998 2:58 PM
> To: fot@autox.team.net
> Subject: Re: Coolant
>
> Joe,
>
> To get the coolant to return whilst the motor cools you need
> the correct kind of cap and no small air leaks or soft hoses
> in the system. TR3/early4 factory radiators need a certain
> cap for the deep filler neck. The water pump seems OK
> with a 7-8 pound cap ( fitting a second spring to a 4 LB cap
> works)
>
> As far as the temp. ;ducting the air flow is the most important thing.
> On a 3A/B removing the stock piece behind the grill uncovers a large
> part of the radiator
>
> HP
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