1989 omc gm 5.0 i am going to use the cheap gas, so what degree should i put the timing too???
lynnboy021 Chief Petty Officer Joined Jan 27, 2008 Messages 553 Jan 19, 2013 #1 1989 omc gm 5.0 i am going to use the cheap gas, so what degree should i put the timing too???
Don S Honorary Moderator Emeritus Joined Aug 31, 2004 Messages 62,321 Jan 19, 2013 #2 Re: timing ? Is this the Thundrbolt IV from your other thread? http://forums.iboats.com/omc-i-o-inboard-engines-outdrives/omc-5-0-gm-thunderbolt-lv-584398.html If so, Merc called for 8? BTDC at idle rpm.
Re: timing ? Is this the Thundrbolt IV from your other thread? http://forums.iboats.com/omc-i-o-inboard-engines-outdrives/omc-5-0-gm-thunderbolt-lv-584398.html If so, Merc called for 8? BTDC at idle rpm.
lynnboy021 Chief Petty Officer Joined Jan 27, 2008 Messages 553 Jan 19, 2013 #3 Re: timing ? yes..... thanks Don S
