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Post by eternalq1 on Sept 28, 2024 5:35:09 GMT -5
What size jet do i need for s6 streetrace 70 and yasuni r exhaust? right now it has a 92 jet on a 21 carb
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Post by Zino on Sept 28, 2024 11:40:54 GMT -5
Are you running stock airbox ?
Do you have a temp gauge ?
If you do a lot of guys use the jet that levels off below 350 degrees on long wide open runs
Do you have a rpm gauge ?
If you do you can use it to see if you have the right jet run the largest jet that gives you highest rpm
Test it by GPS
with it real warmed up track top speed progressively go smaller take the biggest jet that gives you the best top speed .
If two jets give similar results take the bigger jet in all of the above tests
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