A gentleman by the name of George Stirrat and eight of his colleagues started the development of the Ford small block in 1960. This group of engineers – internally referred to as Canadian X Project – ...

An intake manifold is an integral part of providing power to the engine as it distributes the airflow accordingly. Since an intake manifold doesn’t take hot gasses from the engine, some manufacturers ...

In our last installment, we visited RaceKrafters Automotive Machine in Lancaster, PA to test the Edelbrock RPM Air-Gap LT1 Intake Manifold on a nearly stock 355cid LT1. Using a much smaller plenum ...

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 ...

Since the days of relieving flathead Fords, we've known about the advantage of porting. Grind those critical passages with the right touch, and airflow through the engine improves-and with more air ...

Although good for its day, the original Edelbrock Performer intake--as tested in the January 1982 issue of PHR--still appeared to be based on design philosophies of the mid 1950s. The thinking of the ...