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Dyno Fright!


futurewa
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Finally had a chance to scan my dyno runs -

11LBS AFR Taken at each exhaust (Twin System) (Possibly injectors need cleaning, as the run was terminated due to the knock count going up to 50)

15Lbs Boost 336HP - No knock issue

20Lbs AFR (Not sure which exhaust?) - Run cut...too much knock, up to 50

11Lbs Boost 300HP

12Lbs Boost 308HP

14Lbs Boost 325HP

By my calculations, the 20Lbs run reached 169km/hr in 4th, generating 380HP. The run shown earlier in the post but in 2005, looked like it would have had 10-20hp more at the same speed in the same gear. Possibly the dyno? Possibly my calc?

Noticing at 20 psi it seems richer,

so looks like the tune richens up with more boost - you might want to get a afr done at 15psi - no knocking sounds good, if you can save money without spending more on a retune.

The power graph is smooth enough.

Might be worth checking if the timing advance also lessens when you wind it up to 15psi.

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Had a quick read through and one thing I think everyone is missing , correct me if i am wrong ?

The tuner said there was too much TIMING !

The problem is.....

How would he know unless he's played around with the timing to see where it stops making power or starts to knock?

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