Quote Originally Posted by Taily View Post
Each spark, hence the 6 or 8 switch on the back of the flexdrive units.
Yeah, I have the switch on mine..

Quote Originally Posted by playwme View Post
There's a switch on them is there? All mine have always been in cars so I've never seen the back of them.

Anyone got a pic for curiosity sake?
Yeah, its a little thing (about the same size round as the clock knob.. But its a bit longer..) and it can be turned left or right to change it between 6cyl or V8..

I'll grab a pic when I have mine out next..