i am working on a 87 na for a freind of mine. we have removed every single vacume line imagimable except the fuel presure regulator and still cant find the vacume leak. when we start the car and spray starting fluid under the manifold it reves sky high. so we know its around the manifold. there are no visible cracks in the manifold its self. and we have permitexed just about every seam in the manifold. i am running out of ideas. please help!!!



ej

 

Fuel injector grommets.