My 36 aluminum intake was 3 1/2 inches from bottom to center of generator stud. I bought a later cast iron intake that was 2 1/4. This was to make an alternator to fit.
I don,t know,Iam new with flat heads I bought the truck like that an the guy that sold it to me knew very little about the truck .He was just selling.Iam set up to send pictures Thank,s for your help.Rickmass
mr texas what year intake an did it make things better ,this the second time this happen,every time I go on the high way,Iam doing about 50.Thank,sRickmass