Posted by moss6 on March 31, 04 at 18:18:08:
In Reply to: Re: Improving tow performance posted by Traveler on March 31, 04 at 14:35:31:
Aluminum heads are now available for the 8.1 but are not from GM. Check out the Raylar site; interesting.
http://www.raylarengine.com./index.htm
Randy