At first glance, it's easy to take a Pontiac intake manifold for granted. It appears to be nothing more than an intermediate component that's used to connect the carburetor to the cylinder heads. But ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...

For years LT1 enthusiasts have been running well into the nines with factory LT1 and LT4 intake manifolds. With some porting the factory castings have proven capable competitors, even on big-cube and ...