Quote Originally Posted by GreenMonster View Post
Dont use synthetic transmission fluid its bad news to slippery!!!!!!! Use Dexron 6 or 7 whatever the newest gm fluid is
dexron iv (the newest iirc) is a synthetic, use dex/merc or dexronIII. Ive always used dex/merc Valvoline its a dexIII equivalent. anything dexron 4+ is going to be a synthetic. as the numbers go up they are replaced so 4 and 5 no longer exist really.