mewbie question on turbo size.

[slow_93_stang]

i was wonder what the a/r ratios mean. i was wonder what would be a good a/r. is it higher the better or lower the better. sorry for asking a dumb question lol. just wanted to know
thanks

 

[Cougar]

i was wonder what the a/r ratios mean. i was wonder what would be a good a/r. is it higher the better or lower the better. sorry for asking a dumb question lol. just wanted to know
thanks

It's the area of the outlet/distance to that point from the center(radius). Generally a higher number is better, as it flows more air. you won't notice a low end difference.