TUNE TO WIN-A/F vs TIMING

273 said

Probably did the Video cause of nit picking comments, obviously if your way off your power is gonna be way down and not run right, but if your in the ballpark a few degrees or jets are not gonna make or break your setup.
That’s the point I got from it.

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Well. I can tell you this much:
a. Two jet sizes can make a difference in the quarter mile.
b. Two jet sizes can produce a noticible difference on a dyno, or, make a very small difference depending...and when its that close, go toward the richer pair.
c. Two jet sizes on the primary side can make a HUGE difference crusing at interstate speeds. Like the difference between drivable and not drivable.
-- You probably can take a pretty good guess at how I learned these things.