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Old 25-03-2014, 11:38 AM
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Quote:
Originally Posted by Dscott View Post
2.1 manley stroker pistons.

I can say i suspect the car was tuned with a faulty o2..

regarding EJ207 and Ej20K heads, i am using the correct headgasket as per the compression matrix floating around. I would like Dougs feedback.. i know they do this combo in the US.

I've heard the motor ping once and that was a on a very hot day, many months before.

Knock doesn't exceed 50, boost doesn't go pass 1.5 bar, mostly running 1.3~1.4.

i suspect the motor was leaning out, surely the o2 isnt to blame??
I assume you are running a power FC?

I just read your other thread again - You mentioned Surging at 2500 rpm - that's a sign of a dead Air flow meter.
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