Zac,
I'd try blocking up the holes in the manifold especially if you aren't going
to connect the bypass to the mani. If you don't block the holes then heat
will still transfer into the mani and it may even get hotter than engine
water temp if it's not circulated. If I remember correctly the Bluebird has
a "Y" bypass fitting that connects the manifold and the thermostat housing
to the pump - I'm not sure what the reason for the outlet under the thermo
housing is for, other than to equalise the cooling system so I can't see any
problem if you just connect the thermo bypass.

regards
Terry

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Zac Campbell
Sent: Sunday, 6 May 2001 5:56
To: [EMAIL PROTECTED]
Subject: Re: Temp gauges


Thanks again Terry!
The downdraught weber I have sits on a stock manifold.
With the turbo this is something I have been thinking about. I don't exactly
want the intake air to be heated again (after the intercooler) when it is
travelling through the manifold. What is your opinion on sealing up the
manifold water holes. Would the manifold heat up less?

My 3 bolt thermostat housing has an extra outlet (pre-thermostat) in it so I
could do an equalizer there.

zac

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