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Re: New best! finally
[Re: 440Jim]
#1093230
10/03/12 02:36 PM
10/03/12 02:36 PM
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Joined: May 2004
Posts: 617
Corvallis,OR
540CUDA
OP
super street
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OP
super street
Joined: May 2004
Posts: 617
Corvallis,OR
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Jim are you running E85 still? if so what kindof performance gain did you see?. Im not even sure I can get E85 in my area but race fuel is $$!. I wish my car ran as fast as your little solid cammed 511 with one carb 
PRH 540,T-ram,-1's tagged and insured. 9.24et 146.13mph 1.30 60'3300#s
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Re: New best! finally
[Re: 540CUDA]
#1093234
10/03/12 08:39 PM
10/03/12 08:39 PM
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Joined: Jan 2003
Posts: 16,928
NC
440Jim
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 16,928
NC
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Quote:
Jim are you running E85 still? if so what kindof performance gain did you see?. Im not even sure I can get E85 in my area but race fuel is $$!.
I wish my car ran as fast as your little solid cammed 511 with one carb
I ran E85 with a carb in 2008.
In 2009 I bought a Ron's Flying Toilet injection system. The first 3 months I ran alcohol to dial the system in, as E85 with a Toilet was not well known. After a successful alcohol tune, James Monroe at www.killerrons.com told me what nozzle jet size change to run E85. And I ran that up until June of this year.
Due to the high cost of gasoline, and therefore E85, in 2012, I decided to switch it back to alcohol. I get a 55 gallon drum for $150, $2.73/gallon.
Performance change is hard to quantify. I changed heads and cam when I first switched from race gas to a carb and E85. But I would say in the summer heat injected alcohol is 0.2-0.3 seconds quicker than gasoline, and E85 is about 0.1 slower than alcohol. In cold weather, 55F, there is almost no difference in ET, IMO.
'69 Dodge Dart 511 CID 3250 lbs
E85:
5.79 @ 116, 9.21 @ 142 mineshaft air
5.88 @ 115, 9.33 @ 141 summer air
Methanol:
5.76 @ 118, 9.12 @ 145, Injection -650' DA
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