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Let's see your fully tuned timing maps

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Old May 15, 2017, 02:45 AM   #2686
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Old May 15, 2017, 02:02 PM   #2687
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so we tuned the car on the dyno, on e100, but it seemed to stop making power at the following timing/rpm:
6500rpm 12*
7000rpm 13*
7500rpm 14*
8000rpm 15*
8500rpm 15*

boost: 42psi
turbo fp super 94
engine 2.2L

I don't trust the dyno as it's not properly ventilated. Timing seems a bit low to have reached MBT

any opinions?
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Old May 16, 2017, 06:39 AM   #2688
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^ Are you on a stock ecu or aftermarket?
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Old May 16, 2017, 07:57 AM   #2689
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Originally Posted by darwin_evo View Post
so we tuned the car on the dyno, on e100, but it seemed to stop making power at the following timing/rpm:
6500rpm 12*
7000rpm 13*
7500rpm 14*
8000rpm 15*
8500rpm 15*

boost: 42psi
turbo fp super 94
engine 2.2L

I don't trust the dyno as it's not properly ventilated. Timing seems a bit low to have reached MBT

any opinions?
When it stops making power your at MBT. Make sure your base timing is correct, many times it's not. Another is flat top pistons give more quench area which speeds up the burn. E100 burns slightly faster than E85 also.
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Old May 16, 2017, 09:05 AM   #2690
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Thank you for the inputs.

We are on stock ECU.

The thing is I'm not sure about the dyno consistency, that's why i'm looking for input from people with similar setups or that have experience with tuning at such boost/power levels

Tks
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Old May 16, 2017, 12:55 PM   #2691
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Make sure your base timing is correct, many times it's not.
Just curious, what's meant by 'base' timing as opposed to the timing he's seeing in his logs?
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Old May 16, 2017, 01:56 PM   #2692
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Originally Posted by butte View Post
Just curious, what's meant by 'base' timing as opposed to the timing he's seeing in his logs?
If the cam timing is off it will show some funky ignition timing values in the log.
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Old May 16, 2017, 03:43 PM   #2693
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any more opinions guys?
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Old May 16, 2017, 05:44 PM   #2694
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If the cam timing is off it will show some funky ignition timing values in the log.
Things that will throw off your base timing; cut cylinder head, different head gasket thickness, some aftermarket cams, changing your exhaust cam timing. It's usually never perfect. Doesn't seem to far off, why were you expecting to get more timing out of it? If your worried about the repeatability of the dyno, do several pulls but let the engine cool down in between pulls. Not necessarily funky just may seem low or high from the norm.
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Old May 17, 2017, 10:47 AM   #2695
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Originally Posted by 2winscroll View Post
When it stops making power your at MBT. Make sure your base timing is correct, many times it's not. Another is flat top pistons give more quench area which speeds up the burn. E100 burns slightly faster than E85 also.
Sounds like someone did thier combustion hw
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