bansheecaptain Posted March 15, 2004 Report Share Posted March 15, 2004 hey I was running 300 jet size on my stock carbs but now i just got them bored to 28's so i was just wounding if i keep the jet size the same or do i have to go up or down a size or two, thanx for any info Quote Link to comment Share on other sites More sharing options...
sredish Posted March 15, 2004 Report Share Posted March 15, 2004 hey I was running 300 jet size on my stock carbs but now i just got them bored to 28's so i was just wounding if i keep the jet size the same or do i have to go up or down a size or two, thanx for any info You'll have to go up some. You are now getting more air into the motor, so without more fuel, you'll be lean. You have to add more fuel into the motor to match the extra air. Make sense? Let us know where you end up. Quote Link to comment Share on other sites More sharing options...
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