Andy,
That's probably the plug to bleed the block of antifreeze.
I have a sandwhich adapter to use for an oil cooler for the spin on filter
housing.
Mike
----- Original Message -----
From: "andycost" <andycost@att.net>
To: <datsun-roadsters@autox.team.net>
Sent: Saturday, March 03, 2001 12:42 AM
Subject: plug number 30
> What does the plug in the manifold side of the block hold back? The
service
> manual only describes it as # 30. My block might be a little different
since
> it is the rare aluminum version produced late in 1970 for the racing
teams.
>
> Does anyone have a Detroit Locker for sale or trade? Is this a good
> differential for autocrossing or would I be better off with the posi-Trac?
>
> Can the old style canister oil filter be retrofitted for a spin-on filter?
I
> like the older unit because it has plumbing for an oil cooler, but would
> rather have the spin-on filter.
>
> Thanks,
> Andy
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