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RB26DETT/240SX
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38 Posts
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RB26DET - Single Turbo Swap Plumbing Greddy T78.

Greddy T78, non-water cooled, non-BB. External wastegate...will these work?



#1 oil return from turbo - 3/4BSP or 3/4NPT? Is 12AN too big for an oil drain?
#2 oil supply to turbo - M12x1.0 to 4AN? Do I need a restrictor for non-BB?
#3 oil return from turbo - Blocked.
#4 water from turbo. - Not needed for non-water cooled turbo?
#5 boost pressure - To external wastegate?
#6 sense line from turbo inlet to boost pressure control solenoid - To boost controller?
#7 water to turbo - Blocked on non-water cooled turbo?

Thanks in advance!
 

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Altered Beast!!!
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753 Posts
#1 oil return from turbo - 3/4BSP or 3/4NPT? Is 12AN too big for an oil drain?
Ues at least the same size, lot of oil to return, see No2

#2 oil supply to turbo - M12x1.0 to 4AN? Do I need a restrictor for non-BB?
No restrictor, you need full flow fittings on a plain bearing turbo.

#3 oil return from turbo - Blocked.
#4 water from turbo. - Not needed for non-water cooled turbo?
2 ways, near the sam place at the back of the inlet side there is this pipe with a smaller pipt coning off it forming a y shape, join these 2 pipes together. Or run a pipe from this round to the rad water outlet on the inlet manofold at the front of the engine, where the standard water pipe goes in front of the cam wheel cover.

#5 boost pressure - To external wastegate?
No, this line has restrictions in it, use a new boost source from the plenum.

#6 sense line from turbo inlet to boost pressure control solenoid - To boost controller? What is this???
#7 water to turbo - Blocked on non-water cooled turbo? Yes, block up
 
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