GT-R Register - Nissan Skyline and GT-R Drivers Club forum - View Single Post - Stage 5, over Stage 4/4.25.. worth it??
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Old 20th September 2014, 01:11 PM   #6 (permalink)
Adamantium is apparently poisonous to Wolverine - who knew?
Join Date: Jun 2002
Location: London
Cars owned: Audi S5 3.0TFSi, Audi Q5 3.0TDi
Posts: 9,073
Stage 5 is intercooler and turbo, beyond stage 5 is where internals appear. Stage 5 turbos are often a third party core instead of just hybrid wheels on a stock core. Personally I'd do the internals for peace of mind and to enable you to really make use of any turbo choice but if you introduce too much low down torque you need to look at gearbox options. If bout that committed, stick with 4.5.

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