Where have you been for the last twenty years,Pelle? Aluminum heads on a cast iron block is hardly a new idea. Aluminum driveshafts are used a lot these days. Both my 90 & 91 ZR-1's came with them. Clint Hooper H&H Custom,owner 1969 El Camino ProTourer 2001 H-D FLHR custom bagger http://dalesplace.com/misc/friends/clint/clint_hooper.htm ----- Original Message ----- From: "Pelle Andersson" <[EMAIL PROTECTED]>
> Aluminum heads on a cast iron block? > Is that a bad idea? > I've got a beginning ticking sound i one of the valves so I'm > planning to either restor the heads or buying new > aluminium race prepped heads. I also want to be able to > run the car on unleaded fuel! > Have any of you any experiences fo aluminium drive shafts? > Pros, cons? > What is your suggestion?

