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Rate My Plugs

BANGN

By BANGN,
in Engines & Forced Induction

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BANGN Experienced

BANGN

Posted
Posted (edited)

they are NGK PFR6A-11 for my R32 GTST RB20DET - running 14psi

IMG_0060.jpg

they are gapped at .8

was just concerned as the turbo I replaced looked like this which is a 16V RB20 turbo which made some pretty shit noises under boost

IMG_0057.jpg

do the plugs look ok? i wasnt sure if they looked lean or not, they are slighly sooty around the outside of the thread and its a tan colour at the end even accross cylinders, car runs and performs fine but yeh just wanted a second opinion

Edited by BANGN
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Beer Baron Grand Master

Beer Baron

Posted
Posted

to read the plugs you need to do a full power/full revs run and shut the engine off at the top of the run. then remove the plugs to read them. if you let the car return to idle, or just drove normally before removing the plugs then it wont be as meaningful.

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