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VL Commodore

biggest turbo lowmount rb25

Started by obseshn · 5 Jan 2012 · 5 replies

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obseshnArchived member
for all the guys out there that have rb25s in there vls what the biggest turbo you can fit lowmount with one of these as they sit about 50mm lower in the engine bay
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350statoArchived member
I had a Garrett 35/82 on my old RB25 VL with a stock rb25 manifold (obviously changed to T4 flange) was a little tight but any bigger and it will probably be all lag on a RB25
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obseshnArchived member
did you have to mod anything to fit the 35/82
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bewshArchived member
awesome modification, maybe need a custom manifold for big power from a bigger turbo. Would a Gt35/40 fit?
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SteliosArchived member
I've got a 25/30 with a 35/40 front hosing with 4inch intake with a t4 rear hosing :s so I've been told anyways! It's good tho spools up very quick And makes extremely good power might be sleeping my hot side if ur keen pm me ---------- Post added 06-01-12 at 11:39 ---------- Quote: Originally Posted by Stelios [View Post] I've got a 25/30 with a 35/40 front hosing with 4inch intake with a t4 rear hosing :s so I've been told anyways! It's good tho spools up very quick And makes extremely good power might be sleeping my hot side if ur keen pm me Got stainless steel piping to suit Some original photos have not been recovered yet.
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350statoArchived member
Quote: Originally Posted by obseshn [View Post] did you have to mod anything to fit the 35/82 Not really, the stock exhaust manifold was changed to a T4 flange, external gate, apart from that it was a stock style setup
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