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How much power does your setup make on 91 octane?

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Old 11-11-2018 | 07:19 PM
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Default How much power does your setup make on 91 octane?
Putting together a pump gas small single turbo motor.
What do your cars make on 91 octane only with no methanol?

Would love some info on boost pressure and ignition timing if you have it.

Thanks!
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Old 11-11-2018 | 08:07 PM
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itll make a cracked ringland
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Old 11-11-2018 | 08:31 PM
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I felt safe at 7 psi and 11* on pump no meth, bref7 plugs
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Old 11-11-2018 | 10:01 PM
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Originally Posted by 93hatch
itll make a cracked ringland
Depends on lots of factors.

Originally Posted by truckdoug
I felt safe at 7 psi and 11* on pump no meth, bref7 plugs
Thanks for the input. Did the timing mark look good on the bref7 plugs or were they too cold?
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Old 11-11-2018 | 10:22 PM
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they looked good and safe.
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Old 11-12-2018 | 06:43 PM
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I ran 10# boost and 11* timing with my nova. no meth on 91 pumpgas car ran 10.54 @130 3500 lbs with me . 6.0 small cam tc78 turbo 350 th trans and 3.23 gears footbreaking it.
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Old 11-12-2018 | 06:45 PM
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never hurt a thing. the same engine is still in the car 5 years later. and ran 9.44 on e85 last weekend.
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Old 11-12-2018 | 06:57 PM
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Originally Posted by krazy4
What do your cars make on 91 octane only with no methanol?
Thanks!
Not as much as it would if you'd just spend $300 on a meth kit and get it over with.
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Old 11-12-2018 | 07:01 PM
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Thanks for the input guys.

The car will be getting a meth kit. I just wanted to see what people are doing on pump gas only.
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Old 11-12-2018 | 07:42 PM
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On a previous car I made 595rwhp thru a T56 & 12 bolt @ 15psi with a forged LS1 and dinky little 70mm turbo on 91 octane. Sprayed meth/water before IAT sensor and made 615rw.
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Old 11-13-2018 | 09:30 AM
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689rwhp/674tq on pump 91 with a whiff Trick 100 just for a bit of safety on the dyno, other than that it drinks pump swill only.
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Old 11-13-2018 | 03:08 PM
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You guys are getting some good results. Nice!
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