Thread: G Spec VVL Crank Pully + High HP + High Revs = Fail...

Maybe I'm over simplifying it, but that's the only thing I've ever been told, or read about that is a problem with crank harmonics. Additionally, the harmonic damper can only damp torsional vibrations by it's very nature/design. If it solves the problem, then the problem must be in the torsional vibrations. Yes?

Sure.

You mean when a multiple of the natural frequency of the crankshaft matches a multiple of the natural frequency of the oil pump?
Okay, I'll buy that.

I have some more reading to do. I didn't think mass determined likely failure rate due to resonant vibrations, but it sounds... plausible.

Guys I'm sorry i got here this late, but i don't always have time to read the forums for my own personal satisfaction.

Payu, I'm truly sorry about your motor. This is more than a business to me, it's my life, and i take some things personal. I don't like my products being part of a failure.

I want to clear up a few things I read about in this thread, thanks to ben for really doing alot of it for me. This will be the definitive post on this.

Crank pulley spacer:
DE Motor, DE oil pump, DE Oil pump drive/spacer: Adding the pulley will only require the spacer. it doesn't need the flat spots on the side to match the oil pump drive, but now I only supply them that way because I'm paranoid and can't afford to buy more pumps.

DE Motor, VE (or GTi-R) oil pump, DE Oil pump drive/spacer: Spacer must be notched.

VE Motor, VE everything else: No spacer needed when using OEM oil pump drive/spacer.

Oil Pump Kits
When I sell the kits I supply the VVL oil pickup. This ONLY works on FWD motors (not GTI-R, BB or Avenir) because of oil pickup placement. We need the GTI-R oil pick up for AWD motors. I have had them on order for almost 2 years, but haven't been told they're discontinued though they may have been. Because the flange is wider on the VVL and GTI-R oil pumps, the early pick up tubes will not just bolt on. Now, yiou can either take the VVL pick up supplied, cut the flange off and re-weld it to your existing pick-up or you can fab up something yourself. Unfortunately, that's the way it is for AWD motors. if you have a GTI-R and want to change to a VVL pump, you would only need the pump and pulley.

^^^^ Its cool Greg but like I say before this pulley its no good for my application not bashing the product... I tried it and had to learn the hard way that the motor didnt like it...
I didnt buy the pump and the VE oil pump drive from you just the pulley and the pick up I just modify a DE one to fit the VE pump so you dont have to worry...