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E85 tune and nitrous

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Old Mar 21, 2013 | 06:26 PM
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Default E85 tune and nitrous

My 2000 z28 is currently tuned to run ethanol, was wondering if I could safely shoot a 75 wet shot without getting it retuned and how much timing would I have to pull on a 150 shot?

Car is stock besides tune and full exhaust, what gains should I expect to see?
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Old Mar 21, 2013 | 07:56 PM
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you should still be safe with a 75 shot. Are you running any type of programmer/controller? because of the lower A/F needed I would make sure you run in richer or pull timing with the 150 shot.
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Old Mar 21, 2013 | 10:47 PM
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I sprayed 100 on my motor tune on e85 in my ls7.

With a tr6 and alot of compression
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Old Mar 22, 2013 | 12:24 AM
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Originally Posted by egod
you should still be safe with a 75 shot. Are you running any type of programmer/controller? because of the lower A/F needed I would make sure you run in richer or pull timing with the 150 shot.
So 75 should be safe? Even though my current e85 tune probably push timing forward?

No programmer or anything else, just an HP tune from a local performance shop. Don't want my ls1 going boom
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Old Mar 22, 2013 | 12:25 AM
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Originally Posted by blackonblacksls
I sprayed 100 on my motor tune on e85 in my ls7.

With a tr6 and alot of compression
You had an e85 tune prior to going nitrous like myself?
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Old Mar 22, 2013 | 04:05 PM
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Originally Posted by BigAlex
You had an e85 tune prior to going nitrous like myself?
Yes e85 motor. Hooked up a 100shot nossle on a button.

After tuning the car on motor, hit the button whenever I wanted for 100 extra hp.

Same plugs same tune same fue.

I hear alot of others are more cautious. I'm just telling you what worked for me.
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Old Mar 24, 2013 | 02:07 AM
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Originally Posted by blackonblacksls
Yes e85 motor. Hooked up a 100shot nossle on a button.

After tuning the car on motor, hit the button whenever I wanted for 100 extra hp.

Same plugs same tune same fue.

I hear alot of others are more cautious. I'm just telling you what worked for me.
At 170k I think I might pull some timing just in case, might go for 150 shot anyways just to get my money's worth on the tune
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