[trackbird]

I know there was some interest in these on the board, and we have a thread about it in one of the forums right now. So, if anyone is interested.

I just hung up with ACPT. If we can GP 5+ of these, they will be $200 off of the regular $795 and $40 freight (48 states of the US only). Meaning, $595 each (plus shipping).

The tech info is this:

Aluminum yokes.
800 ft lbs torque rating
3 1/4" OD
12,500 RPM critical speed

For an additional $100 you can have (and I know you guys will love this one).....

3 3/4 OD
2000 ft lbs torque rating
14,500 RPM critical speed


Anyone interested?

[sgarnett]

Any driveshaft covered by update/backdate is legal in ESP, but nothing else is. No, it's not legal.

Well, as luck would have it I just brought my driveshaft in yesterday to get a stronger replacement made, so I'm not in the market, but I'm curious.

Is the 800 lb*ft TQ rating for the base driveshaft the TQ it can take at the driveshaft? If so, if we make 400 lb*ft TQ at the flywheel and 1st gear is about 3:1, I'm thinking the shaft goes poof into a cloud of dust.

I got the impression it was flywheel torque, but I can verify that information. Also, since we don't see these things exploding on the various high HP cars they are under, that sorta verifies that feeling.

Do we know which one is being used under those high hp cars? Hopefully they can clarify the rating.