01-09-2019, 10:08 AM | #1 |
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E85 on stock motor
Curious how much the lt4 picks up with flexfuel / tune alone. Anyone know?
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2017 ZL1 A10 - Hyper Blue Metallic Rotofab CAI, TM ported TB, AWE non res touring catback with PLP's |
01-09-2019, 10:50 AM | #2 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
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60-70whp
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
01-09-2019, 12:09 PM | #3 |
Drives: Fast Join Date: Mar 2015
Location: Michigan
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I'm not that optimistic...I think on an otherwise stock LT4, you're looking at 30-40 RWHP with a proper tune. The more HP you're making on pump the more the E85 octane is going to help. On 700+ RWHP cars, it can be worth nearly 100 RWHP.'
You cannot run 100% E85 on an otherwise stock LT4 though. You're going to be maxed at 60% or less. This means mixing with pump gas at the station every fill up. Unless you want to spend some big dough on fuel mods like the new Katech/Xtreme DI setup which they were able to run 100% with just the belt driven pump and upgraded injectors, no cam fuel lobe. |
01-09-2019, 12:20 PM | #4 |
Drives: 2016 1SS NFG A8 Join Date: Aug 2017
Location: 46804
Posts: 6,764
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I have seen it posted here. You can run e85 on stock pulley but you can not run a smaller pulley and full E85 without fuel system mods. Pulley and E50 seems to be pushing the limits.
https://www.camaro6.com/forums/showthread.php?t=514990
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2016 NFG 1SS A8
Options-2SS Leather/NPP Perf. mods-Whipple 2.9/Fuel System/Flex Fuel/103mm TB/Rotofab Big Gulp/Cat Deletes/Corsa NPP Per. times- 10.5 @ 137 w/ 1.8 60ft Full weight on 20's 1200DA |
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