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  #41  
Old 18-05-2010, 06:49 PM
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Quote:
Originally Posted by teejay View Post
should aim for 14.1 all round for super low fuel use
Piss take?

Stoich is 14.7

14.1 is richer......

15's are only in 5-18 inhmg vacuum zones of the map.

I also use O2 auto trimming over that range to prevent it going too lean >15.9

AFR at 24 psi is around 11.7.
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Last edited by Rossco; 18-05-2010 at 06:56 PM.
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  #42  
Old 18-05-2010, 06:53 PM
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lol lets see how long your engine lasts at 14.1 on boost
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  #43  
Old 18-05-2010, 07:05 PM
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Quote:
Originally Posted by teejay View Post
lol lets see how long your engine lasts at 14.1 on boost
leaning off to well over 15:1 is safe in vacuum. The only risk is the cat not operating efficiently (or exhaust wheel erosion if you go way too lean).

Who would run 14's on boost? lol

I tuned for 11.7's at peak boost, I can go to 11.9 without issue but settled on 11.7 for a little more safety.

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Last edited by Rossco; 18-05-2010 at 07:14 PM.
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  #44  
Old 18-05-2010, 07:10 PM
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No one would go 14's on boost.. well I hope.

Hence the italics that it would save fuel.. whilst melting a hole in your pistons.
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  #45  
Old 18-05-2010, 07:13 PM
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I thought you were having a stab at me lol.....

People just don't realize that a full tune isn't a 'full tune' if you get my drift.
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  #46  
Old 18-05-2010, 07:20 PM
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Haha of course Rossco. My black shitter had a tune by a "motec expert" who was giving me sub 300km tanks.

After the .. lets just say "slack" tune was redo by someone else I gained 30hp and 70km a tank.
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  #47  
Old 18-05-2010, 07:22 PM
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Ah that's because you did too much Westerly Racing....haha!
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  #48  
Old 18-05-2010, 07:24 PM
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Oh yeah and the cold start was worse than a wolf 3d.
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  #49  
Old 18-05-2010, 07:41 PM
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you cannot tune cruise zones on the dyno.

thats road tune territory
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  #50  
Old 18-05-2010, 09:03 PM
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WHS ^^

I should have said "tuning time" rather than dyno time.

You should expect to pay for about an extra hour of tuning time for additional road tuning.
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