HOW MUCH POWER IS TIMING WORTH ON MY TURBO MOTOR? WHAT IS THE BEST A/F RATIO? WILL MY NA MOTOR RUN A 9:1 AF? WHAT HAPPENS IF MY TUNE IS OFF? WILL MY MOTOR STILL RUN? CHECK OUT THIS SERIES OF TESTS RUN ON AN NA 383 SMALL BLOCK CHEVY, WHERE WE (ACTUALLY THIS TEST WAS RUN FROM ENGINE MASTERS-THNX DAVID FREIBURGER) VARIED THE A/F RATIO BY MORE THAN 3 FULL POINTS, FROM 12.5:1 DOWN TO A VERY RICH TO 9.1:1. WHAT HAPPENED TO THE POWER? WE ALSO TESTED IGNITION TIMING ON THE SMALL BLOCK, FROM 36 DEGREES (WHERE IT MADE BEST POWER) DOWN TO JUST 11 DEGREES!
I ALSO INCLDED TESTING RUN AT VARIOUS TIMING LEVELS ON A TURBO 4.8L! HOW MUCH TIMING IS NOT ENOUGH AND HOW MUCH IS TOO MUCH?

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