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SKYWKR

-9, -5 Turbo meaning

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Hi All, 

I've seen alot of posts with people saying they have -5 or -9 twin turbo setups for sale

Can someone please enlighten me on the meaning of the -5 or -9? 

Cheers

Steve

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Last part of the Garrett part#, and it gets a bit garbled as people use some of the turbo naming incorrectly at times when comparing them.

 

The GT2860R "-5" is part # 707160-5

The GT2859R "-9" is part # 707160-9

 

The reason the part number helps to know is that you end up with the right housings to bolt into the stock location.

Edited by Lithium
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It's also worth noting -5 is larger than -9 and -7 which is not obvious without the full part number. -5 is about as big as most people would go for twin low mount turbos on an rb26 as they are getting laggy.

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Also, those part numbers are outdated, people just use them by convention now. The -9s now have ceramic ball bearings so their P/N is 836026-2. Not sure what the others are but something to keep in mind.

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In simple terms, stock engine and basic supporting mods on pump 98 fuel. -9 can get you around 300awkws responsively, -5 can get you around 360awkws but its abit laggy.  

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