The art of creating great cylinder heads includes many different things, but a large portion of it comes from lots of time spent with a grinder in hand and in front of a flow bench, determining just ...

Our lineup of small-block Chevy production heads is (from left to right): 128 ('87 Corvette), 882, 487, 126, 441, 993, 113 ('88-'89 Corvette). The 113 'Vette head is virtually identical to the 128 ...

An old hot rodding adage is "airflow is everything." Well, if you consider that in its simplest terms--an engine is nothing more than an air pump--then airflow is everything. For years, gearheads have ...

Modern fuel metering systems are designed to reduce fuel consumption and exhaust gas emissions in internal combustion engines to meet future emission legislation limits. The first step to achieve this ...