What engines came with GT40 heads?
The GT40P cylinder heads had a small combustion chamber ranging from 58-61cc while the GT40 heads had a 63-66cc combustion chamber.
Which is better GT40 heads or GT40P heads?
GT40 vs GT40P, which are better? Really, when you get down to it, neither head is any measurable difference better than the other. The GT40P does have a slight edge over the GT40 cylinder head because of its smaller chamber volume. The smaller combustion chamber can net a bit more compression, but only marginally.
Are gt40 heads iron?
Additionally, either the E7 or the GT40 cylinder heads are going to be made of cast iron. While cast iron is durable, and certainly may account for some of their resiliency, they’re also exceptionally heavy.
What did GT40P heads come on?
Let’s start by reviewing the evolution of these heads. The GT40 first appeared in ’93 and can be found on Mustang Cobras and Lightning pickups. This design was slightly reworked and installed on the ’97-and-later Explorer and Mountaineer SUVs as the GT40P.
What is a GT40?
The Ford GT40 is a high-performance endurance racing car commissioned by the Ford Motor Company. It grew out of the “Ford GT” (for Grand Touring) project, an effort to compete in European long-distance sports car races, against Ferrari, which won the prestigious 24 Hours of Le Mans race from 1960 to 1965.
What size valves do GT40P heads have?
The GT40 valve sizes are 1.85/1.54 for the intake and exhaust, while the GT40P went to a smaller 1.46-inch exhaust valve. There were other changes to the GT40P, including a slightly smaller combustion chamber reduced from 65 cc to roughly 60, which benefits the compression ratio.
What does GT in Ford GT stand for?
GT stands for gran turismo, or “grand touring.” Although the Italian who originally thought up the term gran turismo, or GT, has been lost to history along with their reasoning, the definition was clear: A GT car fit between a sports car and a luxury car.