+10 on both gears for my car makes it run like sh*t.
-10 on both, samething.
Definatel yget cams before tuning cam gears,
and yeas they can be used with a turbo.

Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST Pre98 Zetec - Some Mods