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Ign Timing on e85

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Old Jun 24, 2016 | 02:04 PM
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gacklez's Avatar
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Default Ign Timing on e85

Hey all,

As the title suggests, I'm curious what you guys are running as far as ignition timing is concerned with e85, and at what boost levels? I'm obviously going to check for knock at whatever level I decide to stick with, but I'm wondering what folks out there have tried and gotten good results with.
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Old Jun 24, 2016 | 07:43 PM
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I'm running E87-E90 (year round at my local stations) at 20psi S/C'd. My timing at peak rpm is about 14.5*. Car makes ~506/313 DynoJet.
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Old Jun 25, 2016 | 08:37 AM
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Originally Posted by soulicious
I'm running E87-E90 (year round at my local stations) at 20psi S/C'd. My timing at peak rpm is about 14.5*. Car makes ~506/313 DynoJet.
Is this a conservative 14.5 degrees or on the aggressive side?
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Old Jun 25, 2016 | 01:55 PM
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herecomesboost's Avatar
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Originally Posted by JUSTINTHECOASTIE
Originally Posted by soulicious' timestamp='1466826200' post='24001979
I'm running E87-E90 (year round at my local stations) at 20psi S/C'd. My timing at peak rpm is about 14.5*. Car makes ~506/313 DynoJet.
Is this a conservative 14.5 degrees or on the aggressive side?
That's conservative on E85.
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Old Jun 26, 2016 | 03:30 PM
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Originally Posted by herecomesboost
Originally Posted by JUSTINTHECOASTIE' timestamp='1466872640' post='24002218
[quote name='soulicious' timestamp='1466826200' post='24001979']
I'm running E87-E90 (year round at my local stations) at 20psi S/C'd. My timing at peak rpm is about 14.5*. Car makes ~506/313 DynoJet.
Is this a conservative 14.5 degrees or on the aggressive side?
That's conservative on E85.
[/quote]
Figured as I'm at 15 degrees on 93 octane
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