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new to the whole skyline phenom.trying tune for a friend.it seems that the turbos are not making any boost."mines" boost guage doesn't work at all so we hooked a vac/pressure guage to the intake and it is showing 14" vacuum at idle and about 12psi at 5000rpm, but you drive the car and it is a dog on accelleration.supposedly had "new" turbos installed before we bought it.we found oil in the air bypass tube and intercooler from the old turbos going bad.any ideas? checked all air hose/vac connections, waste gates, i a really at a loss on this one.

 

[Poirot]

most lilely fuelling or ignition timing

 

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fuel pressure is at 38psi.no signs of pressure regulator leaking.what should the timing be set at,it is a 1990 rb26 twin turbo.i dont have access to any of the factory type test tools as i am in iowa,usa.how can i check the timing?