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carb tuning question
my truck is running pretty well but I have some questions about tuning the mixture on my holley. to start I know my carb needs larger main jets. I used a vacuum gauge to set the mixture. i plugged into the constant manifold and set the screws (all4) out 1&1/2 turns then adjusted then while watching the vacuum gauge. once it was at the highest reading i took it out and it went lean on me.
1) the highest reading is the correct mixture?
2) if the main jets are to small will i be able to get the mixture right?
3) when you change the jets do you need to reset the mixture?
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