John Hertog wrote: > Re: front trunion joints > A member of this list suggested using CV-type axle boots to > replace the rubber boots on the front trunions. Bad idea ! > CV-type axle boots are made of thermosplastic, and cannot > withstand the centrifugal forces that occur at DRIVESHAFT speed. > A Constant Velocity joint spins at tire RPM - about 600 - 650 > rpms . The boots are designed to handle 1000 rpms' - and not > much more. A driveshaft, on the other hand, spins at 4500 rpms or > more depending on tire size and gear ratio . CV boots will explode > at that kind of RPM . True, a lot of the current CV boots are cheep, BUT there are some that are of a heaver rubber, stiffer and better constructed then others. That is why the time was spent going through the parts bins of the wholesaler/retailer that helped me out. The ones we found were made by Spicer. To control Ballooning I am trying try-wraps in the pleats. -- Paul Holmgren Hoosier Corps #33, L-6 2 57 300-C's in Indy