Gear drive for cam

[deverson1]

Has any one heard of or has one of these
http://cgi.ebay.com.au/HOLDEN-GEN-3-LS1-GEAR-DRIVE-BRAND-NEW_W0QQitemZ310172915232QQcmdZViewItemQQptZAU_Car _Parts_Accessories?hash=item4837bf1620&_trksid=p3286.c0.m14

Are they any good or is a double chain setup better?

Thanks Daniel

[macca_779]

Apparently they are as load as f**c. But obviously would be stronger than any chain drive.. Bit excessive though. Id stick with a high quality single myself as even doubles are extremely over rated.