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 Post subject: Anybody running e85?
 Post Posted: Sat Feb 26, 2011 9:18 am 
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Pro Stocker

Joined: Sun Feb 01, 2009 12:20 am
Posts: 1863
Location: Tulsa, OK
Really considering going green with my new motor. e85 is WAY cheaper than race fuel. It will support the 12.5 -1 compression I am going to have. Anybody else running 'Flex Fuel'?

I already got a Holley black and was thinking I would be better off with a new carb, not wanting to cut up or change a good 850 double pumper. I was leaning towards Quick Fuel...


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 Post subject: Re: Anybody running e85?
 Post Posted: Sun Feb 27, 2011 1:57 am 
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Weekend Racer
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Joined: Thu May 20, 2010 12:48 pm
Posts: 51
Location: Berea, KY
I made the switch last year and really like it. I thought about buying a new carb but ended up just having my carb converted by Classic Motorsports.


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 Post subject: Re: Anybody running e85?
 Post Posted: Sun Feb 27, 2011 10:20 am 
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Top Fueler
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Joined: Mon Apr 12, 2004 5:57 pm
Posts: 2778
Location: Roxana, IL
I am running straight ethanol (e98) on the Monte and e85 on the Cutlass. Definitely beats the high dollar fuel prices for gas. The Monte is 12.5:1 and the Cutlass is 10.1 on 8 lbs of boost. I had my carb converted by ultimate speed and machine here locally and mix my own fuel

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83 Monte Carlo SS, bbc, PTC converter, 10" tires
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82 Cutlass 10.17/133 blow thru
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 Post subject: Re: Anybody running e85?
 Post Posted: Sun Feb 27, 2011 1:45 pm 
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Pro Stocker
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Joined: Fri Mar 19, 2004 2:27 am
Posts: 2014
Location: Summerville, SC
I am converting to E-85 for my malibu, its a low compression bbc with a paxton. Ultimate Speed and performance is converting the carb over for me as well.

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1.51 60ft
10.89 @121.33
461 N/A pump gas

1.45 60ft
6.11 @115
9.74@140
461 with a Novi 2000 on E-85

Thanks to Ultimate Speed and Machine


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 Post subject: Re: Anybody running e85?
 Post Posted: Tue Mar 01, 2011 12:09 pm 
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Weekend Racer

Joined: Wed Feb 20, 2008 1:23 pm
Posts: 65
Location: Denver, CO
I run E85 in my race car currently. Had Mark Sullens do the carb (dragchevette on many forums). Here's what I've learned so far:
o test all of your fuel. it's not hard, just need the graduated cylinder, some water, and a bit of time
o get a wideband O2 sensor. Eth, like meth, doesn't color plugs. takes a ton of the guesswork out of it, and run it high in the exhaust pipe so it doesn't fill with water.
o run a carb setup for it, don't use the QF conversions. they suck.
o keep heat in the motor, burnout 160, stage 170-175. Ethanol is not methanol. needs some heat.

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79 green on green malibu landau classic. 355 has made way for an LSx swap. stay tuned!

70 firebird. 14-71 blown/birdcatcher injected 468. It's like a chocoholic, but for alcohol!

DENVER. Real men race where there isn't air!


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 Post subject: Re: Anybody running e85?
 Post Posted: Tue Mar 01, 2011 12:25 pm 
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Frequent Racer
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Joined: Mon Mar 02, 2009 8:51 pm
Posts: 589
Location: Mexico, Missouri
Building my new 12.5:1 big block Malibu to run on E85. Not sure what carb I am going to go with yet, but have talked with a lot of the conversion guys. My dad runs an early E85 Quick fuel 750 and has never had a minutes trouble with it. I would like to get one only bigger, but don't know if I can shake it.

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-Monte
1978 Malibu- 70xxx Original Miles, 355/350Turbo, Bucket Seats, Grand Prix Console, 13 Second Street Machine
1978 Malibu Landau- E85 454/400Turbo/Moser M9. Bench Seat Drag Car build, 11.22 @ 119
1957 Chevy 210 4dr Wagon- Patinaed Daily Driver build in progress
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 Post subject: Re: Anybody running e85?
 Post Posted: Wed Mar 02, 2011 8:41 am 
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Dragway Regular

Joined: Tue Nov 03, 2009 10:15 am
Posts: 1125
Location: Genoa,Oh
quickie70 wrote:
o get a wideband O2 sensor. Eth, like meth, doesn't color plugs. takes a ton of the guesswork out of it, and run it high in the exhaust pipe so it doesn't fill with water.
o run a carb setup for it, don't use the QF conversions. they suck.
o keep heat in the motor, burnout 160, stage 170-175. Ethanol is not methanol. needs some heat.



Both require some sort of lean out valve to build heat, once temp is achieved in motor it'll hold its temp as long as the carb isn't fat or rich..

Rule of thumb for carb to be almost dead on is for it to gain 7-10* on a pass 12* is max!

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9.90's @ 132 mph weighing 3384 lbs on a little sbc motor.


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 Post subject: Re: Anybody running e85?
 Post Posted: Sun Mar 06, 2011 6:15 pm 
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Amateur Racer

Joined: Thu Dec 18, 2008 1:27 pm
Posts: 178
Location: washington mo
i run it in my monte and it is great i also had mark sullens change mine over and i think he is the best in the bussiness and he his a great guy to talk to


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 Post subject: Re: Anybody running e85?
 Post Posted: Sun Mar 06, 2011 6:39 pm 
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Joined: Mon Jun 02, 2003 11:15 pm
Posts: 14732
Location: Catalina, AZ
Although I haven't started messing with it yet (mainly because I'm still working on fine tuning the truck, plus it's only 9.6:1 with iron heads) I wouldn't mind setting up a tune for it on the truck. I'm pretty sure the injectors can handle the extra fuel, right now their max duty cycle is only around 60%, together they're theoretically capable of about 230lbs./hr. of fuel. at their current pressure.

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'78 Malibu - Vortec 350/4-speed (for now)


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