TwinTurbo.NET: Nissan 300ZX forum - Plenum pull and throttle coolant bypass get my vote.
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Subject Plenum pull and throttle coolant bypass get my vote.
     
Posted by Ted (92TT) on April 29, 2014 at 9:54 PM
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In Reply To New z32 owner, inexperienced mechanic, where to start? posted by trvsqueen on April 29, 2014 at 09:10 PM
     
Message Pulling the plenum (upper manifold) is just difficult enough to make you feel like you really accomplished something, and makes servicing much easier in the future. Doing the coolant bypass is a no brainer while the plenum is off, and prevents dealing with the inevitable leak.

The forum write-ups for these are pretty old. I'd use these instead:

Plenum Pull
Throttle Coolant Bypass

Did you really pull the heater core (under the dash)? That's a pretty significant job and one I don't ever want to do again. Kudos for that if you did!

     
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