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How lean and how much timing did you add for E85?

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Old 06-06-13, 04:28 PM
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How lean and how much timing did you add for E85?
Just like the title asks, how lean are you going / how much more advance you running with E85?
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Old 07-15-13, 07:28 AM
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great question.
im at 12:0 under 16lbs
11:9 up to 20
11:8 after 20

what are you guys doing?
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Old 07-15-13, 09:54 AM
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Timing really doesn't make a big difference. AFR's make a huge difference.
I like to run around 16* advance at 15 PSI and go down from there .12.2:1 gas AFR's. 12:1 makes very nice power!
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Old 07-15-13, 07:04 PM
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Originally Posted by RXTASY57
Timing really doesn't make a big difference. AFR's make a huge difference.
I like to run around 16* advance at 15 PSI and go down from there .12.2:1 gas AFR's. 12:1 makes very nice power!
I am running 23* at 15 psi falling to 14* at 27 psi. 11.3 afr.
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Old 07-19-13, 11:32 AM
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Originally Posted by RXTASY57
Timing really doesn't make a big difference. AFR's make a huge difference.
I like to run around 16* advance at 15 PSI and go down from there .12.2:1 gas AFR's. 12:1 makes very nice power!
that would be an interesting test, pick a safe boost, like 15psi, safe AFR whatever that is and see what timing looks like... in theory you get to see best timing without knock, maybe we learn something?
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Old 01-02-14, 02:15 PM
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what are you guys running for split timing?
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Old 01-02-14, 05:48 PM
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Originally Posted by RXTASY57
Timing really doesn't make a big difference. AFR's make a huge difference.
I like to run around 16* advance at 15 PSI and go down from there .12.2:1 gas AFR's. 12:1 makes very nice power!
Noticed the same thing here. Timing hardly makes any power difference but does lower egt's. A/F makes quite a big difference especially at higher rpm's.
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Old 02-01-14, 09:24 AM
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timing split is good question!! this can change from tuner to tuner, as perfer to to use 8-6degree on high boost
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Old 06-05-14, 09:18 PM
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Any input on timming split, I'm getting sputters and spits at 5k and it hits a wall. Using the same timming map as 91 and I had 0 degrees split. Any input?
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