Quote Originally Posted by ceh383
I just did a search and that part number comes up to a 290hp 350. I see no intake on it. If the intake was not properly installed you could have a vacuum leak....
wich # did you pull up because i put in 12499529(gm tag part#) and it is 290/350 but if you put in 10066036(casting#) it shows 249/350.