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Author
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Topic: 14:1 Compression on e-85? Possible?
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ItzStock
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Member # 9665
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posted
 
 
Running a 14:1 compression Iron headed motor and and don't want to pay $13+ a gal to run it.
Is E-85 enough for this motor? Or what would I need?
How about if I was going to run a 150 shot on the motor also?
Posts: 1394 | From: Vallejo, Ca | Registered: Dec 2009
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CA-86foureyefifty
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Member # 10856
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14.1 is pushing it lol 13.1 i say is the limit especially on an iron head motor thats squizing. E85 is equivelant to 105 octane. I liked the e85 idea but the one thing i didnt like was the blend change in the seasons at the pump. Is this on a carberated motor or efi?
Posts: 164 | From: Bay | Registered: Apr 2011
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copcar
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Member # 10113
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^^^^THIS!!!!
Also, not all E85 is the same in terms of consistency. 13:1, maybe get a little greedy and go 13.2:1, is about as much squeeze as I would comfortably run on the street with an E85 tune.
[ February 25, 2012, 10:52 AM: Message edited by: copcar ]
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12.37@ 109.34.NA 894DA Old Nitto 555 DR's Gt40 irons. B cam/1.7's, All emissions equipment on the car, stock air box. UPR catted X pipe.
Posts: 485 | Registered: Jun 2010
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ItzStock
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Member # 9665
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Itz a carb'd motor. So what gas would work? e98?
Posts: 1394 | From: Vallejo, Ca | Registered: Dec 2009
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CA-86foureyefifty
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Member # 10856
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On a carbed motor you may be able to get by with e85. Carbed is easier to work around when it comes to the seasonal blend change and also id just run it a little on the rich side, back out a little timing, and go to a well known tuning shop that deals with alternative fuels i know aed is very good with e85 but if it was me id run alcohol, its still some what cheap alot cheaper than gas but like everything alcohol has its down sides also.
Posts: 164 | From: Bay | Registered: Apr 2011
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93 twintrbo
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Member # 10475
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In our area there are no blend changes. I've been running e85 daily for over 2.5 years and I test the content year round. It has consistently been 83-87% year round.
Posts: 42 | From: Nor Cal | Registered: Nov 2010
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Boss 327
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Member # 9143
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quote:
Originally posted by 93 twintrbo:
In our area there are no blend changes. I've been running e85 daily for over 2.5 years and I test the content year round. It has consistently been 83-87% year round.
Don't mean to thread jack but where do you fill up at?
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"You'll never truly understand building engines until you can make power N/A. FI overshadows an engines defficiency." Al Papito
Posts: 1789 | From: East Bay | Registered: May 2009
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Mercury God of Speed
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Member # 11645
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posted
Chevron in concord on Willow pass road exit Hwy 4 at the top of the hill, but they are getting greedy cause they move the price up when gas goes up :/ as far as compression the more the better and mileage WILL increase with compression regarding E85 iron heads don't matter because of fuel propagation latency and octane. what does matter is that the amount of fuel volume needed with alcohol everything except pressure must come up 30%. Bigger lines pumps injectors or carbs. I'm goin E85 on my 68 Cougar 390. I've run up to 30% E85 mixed with 87 swill in my 76' 460 F250 and she was happy, I'm running a 50/50 mix of E85 and 89 in my 95 SN95 and except for the mileage taking a dump no difference is noticeable but I just started that mix two days ago. E85 will run lean because that's the nature of the beast. I have a couple links with good reading that I've found pretty much agree on conversion and use.
Www.Raceone85.com
http://www.popularhotrodding.com/tech/0909phr_gas_versus_e85/viewall.html
[ March 02, 2012, 03:02 AM: Message edited by: samsbolt390 ]
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Ford Blue Blood. 68 XR7 390 X code Cougar, 95 GTS(sold) 95 GT(Donor) 06' GT Black on Black(sold)
Posts: 203 | From: 209 | Registered: Feb 2012
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racsirx
CAFords OG
Member # 1710
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posted
If you are thinking about E98, I wouldn't do it, E98 is corrosive like Q16, has to be drained out of fuel system when stored, E85 and C16 are not corrosive.
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Posts: 20750 | From: Concord & Pittsburg, CA | Registered: Aug 2002
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Mercury God of Speed
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Member # 11645
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posted
E85 would be E98 if they didn't have to mix in to much gas.. And Ethanol is less corrosive than Meth.. And Methanol lol. I would like To get a test kit and see what kind of blend is coming out of the pump on the hill.
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Ford Blue Blood. 68 XR7 390 X code Cougar, 95 GTS(sold) 95 GT(Donor) 06' GT Black on Black(sold)
Posts: 203 | From: 209 | Registered: Feb 2012
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Mercury God of Speed
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Member # 11645
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posted
E85 would be E98 if they didn't have to mix in to much gas.. And Ethanol is less corrosive than Meth.. And Methanol lol. I would like To get a test kit and see what kind of blend is coming out of the pump on the hill.
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Ford Blue Blood. 68 XR7 390 X code Cougar, 95 GTS(sold) 95 GT(Donor) 06' GT Black on Black(sold)
Posts: 203 | From: 209 | Registered: Feb 2012
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turbo50
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Member # 6700
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posted
You will get away with the compression and e85 because it is not only the octane that you gain from the corn oil its also the cooling effect it has when it combuste
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Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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70mach351
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Member # 7528
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posted
meth injection
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70 Mach 1 gettin a make over
2001 Ford F250 Crew Cab 7.3
Posts: 1762 | From: EDH | Registered: Mar 2007
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Mercury God of Speed
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Member # 11645
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posted
The "Cooling" is a by product of alcohols rate of evaporation in the intake tract and this also has a bigger effect in carb'd cars because of it, the gain is not as substantial in a injected set up unless it is further down stream closer to the air cleaner as in the idea behind methanol injection. We used it in early fighter planes and the Germans used No2 "Naws or Nos". And in the early sixtys GM used it some early turbo apps. Calling it Turbo fluid and was actually just windshield wiper fluid.
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Ford Blue Blood. 68 XR7 390 X code Cougar, 95 GTS(sold) 95 GT(Donor) 06' GT Black on Black(sold)
Posts: 203 | From: 209 | Registered: Feb 2012
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