Carb spacers have been around almost forever and still, their modus operandi is largely shrouded in mystery. Part of this lack of understanding stems from the fact that they are so easy to test for ...
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 ...
Plenty of folks have penned articles on carburetor spacers. Some work; some don't. So when we came across a series of spacers from HVH (High Velocity Heads), we were, to say the least, a wee bit ...