What boost at stock turbos at RB26DETT?

Discuss the RB20, RB25 and RB26 series engines.
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c20let2k
Posts: 4
Joined: Sun Nov 15, 2009 8:18 am

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Hi, i'm new here, and from Norway, so my english is not perfekt

What's max boost for the stock turbo's at the RB26DETT GT-R?

What's the best and cheapest way to upgrade these, or get new?One turbo has gone bad, was set to about 1,4bar of boost, think it was all to much but..

Where to find upgrade turbos that fit's at the standard manifoil, exhaust and so on?

Thanks!


Count Zero
Posts: 428
Joined: Thu Nov 23, 2006 6:33 pm
Car: 1990 Nissan Skyline GT-R, Federal Legal & fully registered

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The ceramic fins tend to crack at about 1.2 BAR.

So don't take the boost passed 1.1 BAR and you should be fine (is where I keep mine set at)

For upgrades, especially if you want to keep with twins, is Turbonetics for the turbos.They don't make manifolds, but the Turobnetics reps I've talked to all recommended the HKS manifold for their GT-R twin turbo kits.

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c20let2k
Posts: 4
Joined: Sun Nov 15, 2009 8:18 am

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Where to get these turbo's than?Is it possibole to upgrade the stock turbos to handle more, or must they be replaced by other turbos?

Or overhaul the turbo when it's gone pop?


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