square junction block for the vacuum lines was resting right on the valve cover
- Thread starter garystocker
- Start date
On some manifolds the vacuum plumbing may rest on top of the rocker covers. If there is insufficent clearance, it may prevent the upper manifold from sealing properly.
In this case, overtightening the upper manifold bolts may cause the mounting tabs on the end of the upper manifold assembly to break off.
In this case, overtightening the upper manifold bolts may cause the mounting tabs on the end of the upper manifold assembly to break off.
