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Fuel Injector Upgrade On Mkiv Supra

supra TT myster

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Jap spec or UK spec ??

As the Jap spec runs smaller injectors than the UK spec, but before you get that far, you really want to BPU it, exhaust, induction and raise the boost.


Its a Jap spec one, if i get a boost controller what is a safe level to go? 1 bar or 1.2 bar?

What does bpu mean??

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