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67 camaro with Peter Fedun SS record holding motor. videoed too. Their carb cost over $1000 for cryin out loud. But think what you want. It changes nothing. Did you ever try running a 4000Lb plus race car?
L2355Fs should be zero deck but are often .015 to .035 off that due to factory tolerences. Often side to side there is quite a difference. i have though had two that were within .002. Pretty rare though.
Don




Sorry , it's not factory TOLERANCES , if you do the MATH to FACTORY blueprint specs , NOT NHRA , the 2355 is .021 BELOW the deck .


Two different lines of thought. One comes from a drawing board and one off the assembly line. In reality if it was line bored, rod shortened, decked, or a few thou out in any direction it will not come out to exactly .021". Thats the reason he said the actual number could be from xx - xx. And you don't want to build it to .021 deck height, so I am not sure why that fact is relevant.