Belgian1979vette Well-known member Joined Apr 4, 2008 Messages 1,707 Location Koersel/Belgium Sep 17, 2011 #1 A question : around what year did GM move from internal balance to external balance on these engines. I believe this was 1988 but not sure.
A question : around what year did GM move from internal balance to external balance on these engines. I believe this was 1988 but not sure.
JeffP1167 Well-known member Joined Dec 21, 2009 Messages 2,727 Location Yucaipa, CA. Sep 17, 2011 #2 Would have to have come when they went with a 1 piece RMS which was around 1986
mrvette Phantom of the Opera Joined Mar 24, 2008 Messages 15,194 Location NE Florida Sep 17, 2011 #3 My memory is hazy on this, got into a discussion with a neighbor on it the other day..... I forget the sequence, but I think aluminum heads came on convertible only vettes....for the first year..... :twitch:
My memory is hazy on this, got into a discussion with a neighbor on it the other day..... I forget the sequence, but I think aluminum heads came on convertible only vettes....for the first year..... :twitch: