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Discussion Starter · #1 ·
Hey all.
Whats the best way to adjust a holley that has the 4 corner screws.
I have heard a lot of different opinions and would like to sort this out if possible.
Thanks, Johnny
 

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Vacuum gauge.
And you want them all the same.
Start at 1 1/2 turns out from bottom, lean all four 1/8 turn each time, let the engie settle, rev her a couple times, after each change. Look for highest vacuum.
 

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Discussion Starter · #5 ·
Sounds good Jim .
I did notice that the right side seemed to need about a 1/2 turn more that the left but maybe thats to do with the performer air gaps split floor design?
Thanks.
 
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