bored viper carbs on an srx??????

yammieguy

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Jul 9, 2007
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115
Location
huntsville ontario
to run these on an srx should I run the needles and nozzles out of my stock srx carbs and would I jet around the same as I would with a set of stock bored carbs? I am thinking 130, 130 and 132.5 for my srx, 500ft grass, elevation 300'
 
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think about this, if your adding a bored carb that now draws more air would you still be able to use the same jet size now that your adding more air??......nope.
Youll need bigger mains. As far as the needles and nozzles go, what size are in the carbs? I know you bought them from jttsrx, I would check first as they may have been changed over already from the builder.
 
mrviper700 said:
think about this, if your adding a bored carb that now draws more air would you still be able to use the same jet size now that your adding more air??......nope.
Youll need bigger mains. As far as the needles and nozzles go, what size are in the carbs? I know you bought them from jttsrx, I would check first as they may have been changed over already from the builder.


I had heard of guys running 127 across the board for grass that is why I was thinking 130's and staying with the staggered jetting @132.5 on the one cylinder. I was also reading here that the needles and nozzles are larger in the srx, was just trying to confirm that. You are right, I will check with jtssrx.
 
youll be bigger mains then what you are thinking. youll have to take the needles and nozzels out and see what size they are.
 


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