knife edge on stock crank??

[1985GN]

anyone tried this with the stock crank?? my buddy had his crank in his ford motor done by Jesel and they said its worth it. any opinions on ours?? thanks

 

[V8Killer]

IMO, not worth the money unless you are going to twist it up into the 6,000+ RPM range (like a lot of SB Chevy's & Ford's do). I'd spend my money else where, like trying to keep the crank in the block & not under your rear tires :biggrin: