tims 86 Member Apr 19, 2009 187 0 16 pittsburgh,pa May 29, 2010 #1 May 29, 2010 #1 i have a 87 gt with the speed density system still on it, when im shifting through the gears it seems like the rpms dont really go down between shifts. its idle also is erratic. is that the sd system? will a mass air solve this>?
i have a 87 gt with the speed density system still on it, when im shifting through the gears it seems like the rpms dont really go down between shifts. its idle also is erratic. is that the sd system? will a mass air solve this>?
tims 86 Member Apr 19, 2009 187 0 16 pittsburgh,pa May 30, 2010 #2 May 30, 2010 #2 wow no one? last few questions ive [posted no response.. guess i will start looking elseware..