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Old 10-16-2018, 04:51 PM   #29
mrimpala02
 
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Originally Posted by dreksnot View Post
For me, IVT (intake valve temperatures) run about 315*F on E10 (pump 91) gas whereas IVT is about 270*F on E66 (pump E85). IAT's don't change. The extra 6* of timing at WOT makes E85 wonderful (more power)!
Pretty awesome data! I wonder what my added benefits are in regards to IVT, if any, with the addition of meth on top of the e85.
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Old 10-16-2018, 05:18 PM   #30
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Why even risk it? I cringe when i go WOT on 93 on SBE even with boost turned down to wastegate pressure even knowing my tune is spot on. Now get me a tank of e85 and im turning the boost controller up to 14 psi and sending it with NO REGERTS.
I was pretty fine with 12psi on 91 pump yielding about 732whp (super altitude corrected). With E66 and 14psi the dyno spit out 945whp (super altitude corrected). Just recently (last month), I got giddy and dialed up boost to 17psi at the strip - on SBE and made about 20 or so runs down the track. About a month ago, I ran 17 runs at the Mile. The last runs with 16-17psi boost, and using E66. What else is there to say about E85? OH THIS -- *** YOUR TUNE MUST BE SPOT ON! ***
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Old 10-16-2018, 06:41 PM   #31
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Originally Posted by jeff657756 View Post
Why even risk it? I cringe when i go WOT on 93 on SBE even with boost turned down to wastegate pressure even knowing my tune is spot on. Now get me a tank of e85 and im turning the boost controller up to 14 psi and sending it with NO REGERTS.
This x100000000

I wouldn’t even think about running pump gas anymore
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Old 10-16-2018, 06:52 PM   #32
mrimpala02
 
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Originally Posted by dreksnot View Post
I was pretty fine with 12psi on 91 pump yielding about 732whp (super altitude corrected). With E66 and 14psi the dyno spit out 945whp (super altitude corrected). Just recently (last month), I got giddy and dialed up boost to 17psi at the strip - on SBE and made about 20 or so runs down the track. About a month ago, I ran 17 runs at the Mile. The last runs with 16-17psi boost, and using E66. What else is there to say about E85? OH THIS -- *** YOUR TUNE MUST BE SPOT ON! ***

Tried to break it huh? Lol
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Old 10-16-2018, 07:27 PM   #33
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Tried to break it huh? Lol
Only 54% duty cycle on the boost controller.... Oh, I could have sent it! Didn't want a LS3 lower-end garage sale on lane Pepsi at the strip.
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Old 10-16-2018, 07:30 PM   #34
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Tried to break it huh? Lol
IF Ray runs it and the part holds up I know the part is good to go and I'm safe to purchase it lol I have to give Ray props on his tuning and part seletion for his car, being sbe and knowing how he drives it at many so many different track event, and then
daily drives it, it's nothing short of outstanding.
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Old 10-16-2018, 10:22 PM   #35
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Yea, its clear that e85 is the better fuel, just trying to see which kit is more cost effective for my goal. Dont really plan on pushing the stock shortblock past 850.

If I go with the DSX aux kit, should i chose the 4psi activation switch or the 9psi?
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Old 10-17-2018, 12:41 AM   #36
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4psi for sure
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Old 10-22-2018, 10:10 PM   #37
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What are the pros vs cons of keeping/ditching the fpcm and the ability for the pcm to read/control fuel pressure.

(I’ve already flashed my fpcm to command 58psi at all times)
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Old 10-23-2018, 03:07 PM   #38
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I have the DSX kit with a zl1 fuel pump and my fpcm is set to 58psi out of boost and 87psi rail pressure in boost. I like that I can do this to help out my smaller injectors with E85. This set up is simple and reliable with no BAP needed.
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Old 10-25-2018, 07:57 AM   #39
eLeSthree
 
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Originally Posted by RedRyder View Post
I have the DSX kit with a zl1 fuel pump and my fpcm is set to 58psi out of boost and 87psi rail pressure in boost. I like that I can do this to help out my smaller injectors with E85. This set up is simple and reliable with no BAP needed.
What size are your injectors? How much power has it been supporting on E85? And is your setup PD/Centri/turbo?
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Old 10-25-2018, 08:00 AM   #40
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Originally Posted by RedRyder View Post
I have the DSX kit with a zl1 fuel pump and my fpcm is set to 58psi out of boost and 87psi rail pressure in boost. I like that I can do this to help out my smaller injectors with E85. This set up is simple and reliable with no BAP needed.
The only problem i see with raising FP in boost, is that currently my 93 tune, doesnt require anymore than 58psi across the board.

Hopefully I wont need to spike fp on e, cause ill have to retune the 93 portion.
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Old 10-25-2018, 09:17 AM   #41
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What size are your injectors? How much power has it been supporting on E85? And is your setup PD/Centri/turbo?
I've got ID1050Xs, my whipple is at about 13psi and haven't dynoed it but it's probably around 775-800rwhp.

Depending on how much extra boost you're planning, your 90# injectors are probably going to be at their limit at 58psi on E85.
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