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well just got my car back from being tuned...

pulled 189.9rwkw on 14psi....

stock rb20det.

apexi ax53b70 p25

get injectors

zorst with stock cat.

fmic

pump

eboost

rb26dett PFC (modded for rb20)

now is this right?

my tuner said the afm was maxing out (stock green label)

any ideas? would it be the rb26dett PFC?

any ideas?

cheers adrian

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Who tuned it? The eboost looks like it needs lots of work! Hits 11psi at a reasonable rev then creeps up to 14psi. All things considered it looks more like a boost control problem, but if you drop the exhaust inc the cat it will be a good cheap test of whether the std cat is killing power like you would expect.

But yeh, boost control needs work, dump the exhaust and then ask the tuner why is it only making the power it is ...that is of course after you have replaced the AFM

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