GReddy PRofec B-spec 2 help.

Discuss the RB20, RB25 and RB26 series engines.
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supra1rd
Posts: 58
Joined: Sun Jan 25, 2009 7:10 pm
Car: 1989 Nissan 240SX 2JZ

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I have a S14 with a RB26 and I'm using the GReddy PRofec B-spec 2 boost controller. I wanted to know what settings I should use. I want the low boost to be at 10psi and high boost at 14psi. Anyone have the same setup? Any help would be appreciated!

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crazyandevil05
Posts: 83
Joined: Sun Jul 01, 2007 1:02 pm
Car: 1995 240sx SE, RB25

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the settings can vary alot, even car to car, even with similar setups. in the greddy manual it shows how to tune it perfectly. also, theres some guides you can find through google.
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supra1rd
Posts: 58
Joined: Sun Jan 25, 2009 7:10 pm
Car: 1989 Nissan 240SX 2JZ

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Ok thanks! I'll check online for the guide.
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