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 Post subject: standard boosters
 Post Posted: Fri Jun 08, 2012 10:09 pm 
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Joined: Sun Jul 10, 2011 6:32 pm
Posts: 24
Location: Central Oregon
OK, I've seen mentioned a few times the straight or standard boosters could be used. Is there an actual disadvantage to using them with E85 or are they a viable option for this fuel? I know the annular atomizes fuel better and if using the straight boosters then the jet should be larger but would there be a huge disadvantage with E85 being of "thicker" viscosity? Or would the single larger hole feed E85 better. Just got to thinking about it and thought I'd post the question. Thanks

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Keith


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 Post subject: Re: standard boosters
 Post Posted: Fri Jun 08, 2012 10:25 pm 
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Joined: Mon Nov 01, 2010 8:37 pm
Posts: 24
I think you are asking about the Standard boosters in a dominator. I personally have not tried them. I go with the 12 hole normally for better atomization of the fuel. Jmark messed around with some boosters that he put 3 large slots in and had some success.

I believe you could make them work with E85 however may not be the most efficient.


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 Post subject: Re: standard boosters
 Post Posted: Fri Jun 08, 2012 11:10 pm 
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Joined: Sun Jul 10, 2011 6:32 pm
Posts: 24
Location: Central Oregon
Yes AJ I was referring to the dominator, sorry I didn't specify. I guess my main question was if with the difference in fuels if the straight boosters would benefit E85 better than gasoline. Thanks!

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Keith


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 Post subject: Re: standard boosters
 Post Posted: Sat Jun 09, 2012 6:30 am 
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Joined: Mon Oct 29, 2007 7:07 pm
Posts: 1422
Location: Florida
The booster signal on the annular boosters is better, increased pressure drop there will improve vaporization. I have tried custom booster inserts with slots as well as 12 hole. I think the 12 hole work slightly better. We use less emulsion with E85 than gas, and I think the smaller holes help atomize the fuel better to compensate. The smaller the carburetor used on a given engine will see less need for this, as you create more vacuum under the carb to vaporize fuel better.


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