Mild Built 340 Timing/tuning help?

Rat Bastid said

I don’t know why people don’t understand you do not change the main jet for WOT.

Click to expand...

Technically true but people do it because its easier.
Also many times it worked out 'close enough' or even right on if they had cared to test (which most do not) the limits.
If its right on, then saves a ton of work.

edit> and what TT5 wrote as well.