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Who's boostin 15 + psi on stock heads??

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Old 06-08-2010, 10:17 PM
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Originally Posted by Spoolin
You guys touched on it kinda... The added cooling effect of e85 comes from the additional volume required when using E85. It's not so much the fuel's make-up as much as it is the amount you have to use. The more fuel you use the more latent heat is removed from the cylinder by the incoming charge. Yes E85 cools the intake charge more so tha regular gas.

Also just FYI, most alcohal motors have a problem with icing/frosting on the intake and carubrators and have a hard time getting up to temp if ever due to the amount of fuel that they consume. Top Fuel dragsters go through 5 gallons of fuel in one run, the amount of cooling effect that has on the intake charge is ridiculous.
cooling effect from volume or fuel make, close enough for me, sorta...

also correct on the icing/frost, even with e85 some recommend not to use it under 30* without a fuel heater because it can cause hard starting in cold conditions..

Last edited by skolman91; 06-08-2010 at 10:22 PM.
Old 06-08-2010, 10:20 PM
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Originally Posted by Blown06
Although this has turned into an e85 thread............
yea my bad on that one, guess i got a little carried away..
Old 06-08-2010, 10:29 PM
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YAh you bunch of damn'd hacks.
Old 06-09-2010, 01:35 AM
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Originally Posted by fastnblu
Most go down w/. CR, instead u go up.
Blown06, don't do it! He wants everyone to spill their secrets, yet he wants to give up nothing. It's all about him, ya know. Nah, nah!
My secret is safe with me!

That is until someone buys all my FI stuff. At which time I will gladly spill the details to the purchaser.

Ahhh, its really no secret, 26.55psi/12.8afr/27.5* "don't be a *****"
Old 06-09-2010, 10:34 AM
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Originally Posted by fastnblu
Most go down w/. CR, instead u go up.
Blown06, don't do it! He wants everyone to spill their secrets, yet he wants to give up nothing. It's all about him, ya know. Nah, nah!
You need to check out a the other thread I have.. I have talked this over with a few people, most of them seem to agree that 9.5-9.7-1 is just fine with 93 oct, 15 psi.. Some are running more then that.. I have read in the past that yah you want low comp, with fi, but over time seems that you can make better power, have a more friendly DD tahn super low comp and alot of boost.. Sooo

Na it is good if you don't want to spill it, I will come up with someting. Just thought I would ask that since that was a very impressive time for that set up you have..
Old 06-09-2010, 02:18 PM
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Originally Posted by Blown06
26.55psi/12.8afr/27.5* "don't be a *****"
looks like he gave up his secret to me, he has big cojones...
Old 06-09-2010, 06:29 PM
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Originally Posted by Blown06
My secret is safe with me!

That is until someone buys all my FI stuff. At which time I will gladly spill the details to the purchaser.

Ahhh, its really no secret, 26.55psi/12.8afr/27.5* "don't be a *****"
i may sound stupid but im learning , are u serious or joking
Old 06-09-2010, 06:42 PM
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Originally Posted by Most Hated
i may sound stupid but im learning , are u serious or joking
Those numbers could be skewwed up/down slightly. lol
Old 06-09-2010, 07:30 PM
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Originally Posted by Blown06
Those numbers could be skewwed up/down slightly. lol
Yeah just slightly
Old 06-09-2010, 09:50 PM
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Originally Posted by Blown06
Those numbers could be skewwed up/down slightly. lol
just slightly +/-


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