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Pro-Systems Racing Carburetors > Forums > Sunoco EXO2 race fuel
 
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nascarken

Registered: 02/10/12
Posts: 6

    02/10/12 at 07:30 PMReply with quote#1

Hello,
Would like any info out there on this new race fuel. I can't find anything online and Sunoco does not have any useful tuning info. I am currently using MO2X . 

PRO-SYSTEMS

Moderator
Registered: 12/16/11
Posts: 302

    02/11/12 at 07:23 AMReply with quote#2

At this point in time, we have not dynoed with that fuel yet. 
nascarken

Registered: 02/10/12
Posts: 6

    02/13/12 at 11:50 AMReply with quote#3

Does anyone out there have some info EXO2 race fuel?
nascarken

Registered: 02/10/12
Posts: 6

    03/22/12 at 07:22 PMReply with quote#4

Still nothing on this mysterious Race fuel. If anyone in the racing world can help get info on this fuel? Not pro-systems fault.
PRO-SYSTEMS

Moderator
Registered: 12/16/11
Posts: 302

    03/23/12 at 08:27 AMReply with quote#5

Like any new item, there will be no hard fast tuneup info on it until it gets around awhile.  Even then some folks won't want to share that info either.

If you are a class racer or high end competitor and you need that gain, you have to move on these new inventions/developments, schedule some dyno time and get them employed in your program. 
nascarken

Registered: 02/10/12
Posts: 6

    03/23/12 at 12:30 PMReply with quote#6


I understand people do not want to give out their secrets. But at least give a base line to start so small racers do not have to spend hundreds on dyno testing.

Thank you for the response.

PRO-SYSTEMS

Moderator
Registered: 12/16/11
Posts: 302

    03/23/12 at 03:08 PMReply with quote#7

Hopefully someone has ran that fuel and can help you.  BUT if FORCED to make a guess and this would just be a GUESS (don't post anywhere that I gave you bad info etc...) all I can tell you is what I read on their website.
"A 10 to 15 percent increase is fuel is required".   So post up your Pro Systems carb serial number and I can give you an idea of what bleeds and main jets to change for that kind of a move.
nascarken

Registered: 02/10/12
Posts: 6

    03/23/12 at 05:04 PMReply with quote#8

Thanks, I would never blame you guys for bad info with this new fuel.  I was hoping someone reading this outside of Pro-sytems would have some info. I will get you may carb info.
nascarken

Registered: 02/10/12
Posts: 6

    04/10/12 at 02:30 PMReply with quote#9

Update,
I am going to run EXO2 this month and will give an update on jetting and plug data.
I also run EGT on both banks and will have that data also.

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