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People running e85 or e98

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Old 01-28-2013, 09:33 AM
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Default People running e85 or e98

Intercooler or no?

What are your iats?

And how much fuel does it burn more then gas?
Old 01-28-2013, 09:37 AM
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E85 here still running an A2A intercooler. On 15 psi IAT's were around 145. I was at 85% injector duty cycle with 127lb/hr injectors
Old 01-28-2013, 10:12 AM
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About 20-30% more fuel burnt at cruise depending on compression, cam and tune up. At WOT that will depend on the tuning strategy and compression, IAT......I run as much as 70% on E98 if the ignition will support it. I see no need for E98 till you really start packing in the boost or have very high IATs. The only real benefit of E98 over E85 is just to cool the charge with more fuel in volume.
Old 01-28-2013, 02:07 PM
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IAT WILL NOT CHANGE NO MATTER WHAT FUEL YOU ARE USING AS THE IAT SENSOR WILL NOT SEE THE FUEL.
just for reference I just started tuning on my turbo car with the afr are 11.9 at wot at only 2psi for now plus normal street driving 15.9afr.
In 137 miles I have burnt just under 30gal of fuel (e85) it will drink the **** if you let it
Old 01-28-2013, 02:14 PM
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Well I understand the problem with efi due to the iat sensor being before the intake unlike carbed setups

Have you guys noticed you coolant temps dropping?
Old 01-28-2013, 04:48 PM
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I run E85 from the pump on stock engines and my highest IAT was 196 degrees I believe. No intercooler. My engine temps are definitely cooler.
Old 01-28-2013, 04:49 PM
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A2A..w E85...my IAT's are always near ambient....would have to look at some OLD logs to see what WOT looks like,...the are very low though. I'd always run a cooler/a2a or a2w
Old 01-28-2013, 05:15 PM
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Agreed with said above. IAT is a pointless question, your sensor isnt in a position to measure it.

I have two sets of injectors in my Edlebrock Proflo (hope to be running in a few weeks) and i have bought a temperature probe and amplifier so that i can log it with the dominator. I WILL give my results as soon as i have them. As soon as this car is running im taking it to the dyno. I will report back then, boost will likely be between 15 and 20psi.

For the record, i do NOT believe in having to run an innercooler with E85+. i have no proof to back this up, other then believing the guys who have done with great success, such has Hellbent and the twin turbo drag boat guy on bullet. I hope to have concrete proof soon.
Old 01-28-2013, 07:06 PM
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Jax please post up your results would love too see them
Old 01-28-2013, 07:07 PM
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Wicked do you run meth?
Old 01-28-2013, 09:37 PM
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Having nothing to do with the fact I run E85 but for the sake of knowledge my A2W intercooler gives me within 5 degrees of ambient at WOT. For instance I have logged 79 degrees ambient and see 82 at WOT with water in the tank that feels luke warm to the touch.



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