Joined
·
1,643 Posts
Try this one http://www.ring-pinion.com/RPMCalculator.html
Jason
Formerly Bluestangcom
"Got gas?"
Vintage Burgundy'66 Conv. 289 & C4. GT-ized
Strawberry/Silver '91GT
Rust/Red/Turquoise '67 coupe - Parting Out
Guards Red 2000 Porsche Boxster
http://www.bluestang.com
Jason
Formerly Bluestangcom
"Got gas?"
Vintage Burgundy'66 Conv. 289 & C4. GT-ized
Strawberry/Silver '91GT
Rust/Red/Turquoise '67 coupe - Parting Out
Guards Red 2000 Porsche Boxster
http://www.bluestang.com