A rotary file That ive had since my apprenticeship days, still works fine, bring it over and we'll start grinding.})
Yeah.. Have a look at which bolts to what In Ben's the adjustment slot appears to be in the part that the belt gear is mounted to and the bolts clamp it to the the fixed part of the gear attached to the camshaft. The HKS jobbies are t'other way around, reversing the effect. BTW HKS ones look very pretty.But then, Ben could have a Honda one, throwing my theory out the window. I know my eyes are crossed now!