http://cgi.ebay.com/ebaymotors/LT1-Aluminum-Cylinder-Heads-Corvette-Camaro-Firebird-_W0QQcmdZViewItemQQhashZitem563dd039bfQQitemZ370404243903QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccessories
i wonder if its worth swapping my heads out for an aluminum set...
how many pounds lighter are aluminum heads compared to cast iron???