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Old 05-05-2010, 10:55 PM   #1
MFFI 545
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Default Mark Sullens E85 Carburetors

I recently had Mark convert my 1050 Dominator to E85. I just wanted people to know that Mark has been a huge help to me in the tuning process and has really helped me understand how E85 works. If you have ever been on the other end of the phone while a guy at test and tune tries to discribe the run and be able to make beneficial changes then you know how hard it must have been for Mark to listen to me ramble.

Mark does E85 and E85 only. This is why I chose him to do my conversion. The price is right, and you will be very happy with the service after the sale. Give Mark a call at (573) 694-4088
mark@marksullensE85carburetors.com
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Old 05-06-2010, 01:03 PM   #2
littlewheel
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Default Re: Mark Sullens E85 Carburetors

So did you gain any performance?
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Old 05-06-2010, 04:08 PM   #3
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Default Re: Mark Sullens E85 Carburetors

Last night we picked up .22 and only paid $2.40 at the pump. I need to go one step hotter on the plugs next time out and see what we got.

Car runs about 15 degrees cooler now also.
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Old 05-06-2010, 04:18 PM   #4
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Default Re: Mark Sullens E85 Carburetors

Website?
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Old 05-06-2010, 04:19 PM   #5
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Default Re: Mark Sullens E85 Carburetors

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Website?

http://marksullense85carburetors.com/index.html
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Old 05-06-2010, 08:07 PM   #6
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Default Re: Mark Sullens E85 Carburetors

what kind of set up are you running. i will be running e-85 for the first time this weekend. 406 p/g . 13-1 . i was told to start with nkg -7 plugs. i think we are around 580hp.3000lb. run 10.25@126-8 for some reason the ones that autozone sold me are not on the spark plug refference chart that is posted here. any idea on plugs. oh, it also is a quick fuel conversion for a 950hp.( ya know, the 820cfm carb that is marketed as a 950.)
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Old 05-06-2010, 08:50 PM   #7
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Default Re: Mark Sullens E85 Carburetors

I had the NGK r5671a-8 in it last night and it wanted more timing up to 40 with no color on the strap so I'll be using the -7 next time.

Combo is 388 (Hans Feustel) 11:1, Glide, Brodix Track 1, 1050 Dominator.
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Old 05-06-2010, 10:15 PM   #8
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Default Re: Mark Sullens E85 Carburetors

so thats how you know if you have a hot enough plug or not. thats what i was wondering also. i was going to start at 32* and work my way up from there. we were running at 36* on gas. cant remember exactly its my dads car but i think the plugs started with br. thanks for the reply.
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Old 05-06-2010, 10:27 PM   #9
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Default Re: Mark Sullens E85 Carburetors

You should start out with the same timing you use on gas and go from there.
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Old 05-06-2010, 11:46 PM   #10
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Old 05-07-2010, 02:03 AM   #11
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Default Re: Mark Sullens E85 Carburetors

why not use methanol? its cheaper per gallon than E85 and when tuned properly with a good carb it makes more HP
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Old 05-07-2010, 11:15 AM   #12
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Default Re: Mark Sullens E85 Carburetors

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why not use methanol? its cheaper per gallon than E85 and when tuned properly with a good carb it makes more HP
Because I haven't seen too many methanol pumps at the corner gas station.

I know where all of the E85 pumps are here in town.
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Old 05-07-2010, 11:54 AM   #13
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Default Re: Mark Sullens E85 Carburetors

Are any of you guys running E-85 running a gauge to tell you if you are actually getting E-85?
I know here in upstate NY on the pumps it states ethanol contant can be as low as 70%.
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Old 05-07-2010, 01:08 PM   #14
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Default Re: Mark Sullens E85 Carburetors

Quote:
why not use methanol? Itís cheaper per gallon than E85 and when tuned properly with a good carb it makes more HP

I just blended 53 gallons of E87% (114 octane+), 46 gallons of E98 at a cost of $1.50 gallon ($69) + 7 gallons of Premium at a cost of $2.99 ($20) = $89 for 53 gallons of fuel.
This is $1.68 a gallon total...iím not sure what Methanol cost but I thought they told me around $2.20 gallon.
I agree 100% that Methanol will make more power, but it makes more power by adding more volume.
Just some numbers: so IF I use 1 gallon per pass I just used $1.68 to make a run.
Now even in a properly tuned carb you will use about .7 more Methanol than E85.
NOW even if you can get methanol for $2.20 that same run with Methanol just cost you $3.74.
I had a racer from Texas tell me that he made about 7-8 passes and only burned 4 gallons, he switched from Methanol to E85. Also kept looking in the cell expecting to add fuel but never had to.
I believe his 1/4 mile ET was only .02-.03 slower than Methanol.
I agree that E85 is not for everyone, but IF it allows racers to be able to go out and race again and drive their 13:1 cars on the street, then I think its a good thing.
Sometimes its not about the power.... its about being able to afford to do what you love.
Quote:
So did you gain any performance?

Quote:
Last night we picked up .22


I would like to Add that this .22 was 1/8th mile......you will often see multiple gains over most race fuel, such as runs cooler, cost, more power, ...ETC.

Thank you for the kind words, Iím glad to help.... I know that when you get the plugs changed things will be even better.
And as always, call if you need any more help...If I donít answer, you know Ill call back within 20-30 min.

Iím looking forward to dragging the car down there to visit a friend and race, hope I get the chance to meet you while i'm there.

Call me and let me know what happens....


Quote:
Are any of you guys running E-85 running a gauge to tell you if you are actually getting E-85?
I know here in upstate NY on the pumps it states ethanol contant can be as low as 70%.
I test my fuel for racing and tune to that drum, it doesnt matter if its 70% or 87% a good E85 carb builder should be able to tell you exactly how to compensate for the difference in blends.

Mark Sullens

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Old 05-07-2010, 10:25 PM   #15
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Default Re: Mark Sullens E85 Carburetors

Mark, can you pm me with your source for the E98? The stuff at the pump here is still the winter, barely 70% blend. I know Jeff Hayes has talked to you some(I used to work for him) and he could get it last year but is having trouble getting it this year. I'd like to get some 98 and mix it myself so I can be more consistent with my tuning.
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