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View Full Version : Installing Spool Head Drain, RB26



Turbo2.6L
10-01-2013, 11:21 AM
Guys, wanting to install a Spool (or similar) head drain to my 33 GTR as i want to start increasing boost levels above & beyond 25psi. My question is, what is the easiest way to do this, short of dropping it to a workshop & saying 'Fit this please"??

Does the engine need to come out of the bay to gain access?
Does the head need to be removed from block?
Does the head need any type of drilling/machining/welding for provision to attach the drain fitting(s)?
Does the sump need to be seperated from the block?
Does the sump need any type of drilling/machining/welding for provision to attach the drain fitting(s)?

If it's just a case of removing engine (or box to gain access to rear of engine), then playing around with existing fittings, i will attempt on the driveway. If not, i will look at other options including dropping it at a workshop! Lol

Cheers in advance :D

SimonR32
10-01-2013, 12:04 PM
Yes to pretty much all questions, it's not really something you do unless you're doing a rebuild...

Are you having issues at the moment?

Turbo2.6L
10-01-2013, 12:21 PM
When it was last on the dyno it was breathing a little according to Sean. Thought i'd install a drain before increasing boost as a preventative measure... Not interested in a rebuild at this stage.