Quote:
Originally Posted by kyle_blake
The only conflicting information is the front jets all over the internet say 3310-3 is 72 in front, however on holley forum, a holley tech wrote back another user( in the 90's) saying 70. He has to be wrong.
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Some of the people on the web have the Holley Build Books for the carbs. I have 3 printings of them. The early books were the "Red Books". The last book I have is the first "Black Book" published. 3310-3 should be the same as the previous 3310 versions.
The web is correct and the Holley tech is wrong.
3310-0, 3310-1, 3310-2 are listed as #72 jets in the primary. I do not have any books after Holley was sold off years after I left.
No reason I can see for them to ever make the jetting 70s was for emissions purposes and the 3310 carbs were not emissions calibrated carbs.
Tom V.