All 1600 manifolds I have have machining for 4 studs for each carb. I used
bolts in the holes as one will leak coolant if the casting isn't good as it
is very close to the coolant passage. I used ss bolts with teflon tape to
stop the leak.
I guess Nissan was looking at putting on 2L SUs on the manifold or a
different 1600 SU.
Go figure.
Mike
----- Original Message -----
From: <Geegc@aol.com>
To: <datsun-roadsters@autox.team.net>
Sent: Thursday, February 14, 2002 12:58 AM
Subject: Studs on intake manifold Q
> As I am putting everything back together (the never ending story) on my
1966
> 1600 I noticed that each of the carb sides of the intake manifold has 4
3/8
> inch studs coming out, two long ones and two short ones. The long ones go
> through the insulator blocks and hook up with the carbs, but as best as I
can
> tell the short ones don't connect to anything and exist only to attract
dirt.
> Anyone have any idea what they were for?
>
> They are not on the later carbs manifold I have.
>
> Gary C
>
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