R rhsty New Member Apr 19, 2005 9 0 1 vestal ny. Jun 14, 2007 #1 Jun 14, 2007 #1 Car is a 95 gt with 347& PMS but under load the timing advances to like 40 on pms read out no matter what changes are made.It runs good & idles good until 3500 then starts to break up.Any ideas?????
Car is a 95 gt with 347& PMS but under load the timing advances to like 40 on pms read out no matter what changes are made.It runs good & idles good until 3500 then starts to break up.Any ideas?????