Why are GT40 heads better?
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. Flow data shows them to flow within a few CFM (cubic feet per minute, more CFM is better) of each other.
Where can I find GT40 heads?
How to identify your GT40 heads look for a “GT” or “GT40P” stamp inside the head casting or a three-bar (GT40) or 4 bar (GT40P) stamped on the side of the head. GT40 heads can be found pretty much anywhere you look.
What size valves are in GT40 heads?
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 GT40 stand for?
The high-performance Ford GT40 is the dream child of Ford Motors, conceived in America and birthed in England. The GT stands for Grand Touring, and the 40 refers to its overall height in inches. It was produced from 1964-1969, and has since become an American racing icon.
How can I get more horsepower out of my 302?
Install a performance aftermarket cold air intake to replace the Ford 302 factory air intake. Performance air intakes enhance the airflow from the exterior of the vehicle into the engine and also cool the air more efficiently. Having more air and cooler air flowing into your engine increases horsepower and torque.
What’s the difference between Ford GT and GT40?
The GT is similar in outward appearance to the original GT40, but is bigger, wider, and most importantly 4 in (100 mm) taller than the original’s 40 in (100 cm) overall height; as a result, a potential name for the car was the GT44.
What did the GT40 intake come on?
The GT40 intake did not come stock on any Mustang or Explorer, but it did come on 93-95 Lightnings.
How much horsepower can a Ford 302 make?
Standard Ford 289 and 302 small-blocks were factory-rated between 200 and 230 hp. The vaunted 289 High-Performance engine was said to make 271 hp. Today, if a 302 Ford makes 360 hp on pump gas with a hydraulic cam, most experts consider it to be a pretty good motor-at least until Joe Sherman steps up to the plate.
What did the gt40 intake come on?
How much do GT40P heads flow?
A set of brand new, stock GT40P’s will flow 190cfm from . 400 to over . 500 lift intake, peaking at about 195cfm. That’s a serious improvement over stock, and well matched to mild head/cam/intake combinations.
What is a GT 40?
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 every 24 Hours of Le Mans race from 1960 to 1965.
What are GT40 heads on a Mustang?
What Are GT40 heads? Between 1993 and 1995, Mustang Cobras came equipped with a type of cylinder head called a GT40. These cylinder heads were a vast improvement over the E7TE cylinder heads that came on most Fox Body Mustangs.
Should I upgrade my E7 heads to GT40 heads?
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. If you’re interested primarily in restoration or nostalgia, it makes sense that you would want to either improve the E7s or upgrade them.
Is there an aftermarket version of a Ford GT40?
Though a lot of manufacturers, including Ford, used to make an aftermarket version of the GT40, they’re not available new anymore (you can still sometimes find them on eBay or in a pawn shop). Though it may be tempting to hit the pavement and start looking for the GT40s, it’s hard to recommend given their increased cost and the alternative options.
Should you upgrade your fox mustang’s cylinder heads?
With new GT40 heads not being produced but being consumed at an increasing rate, it’s unlikely that you’ll strike this particular brand of yard gold in the near future, but there are a lot of other alternatives for improving the performance of your Fox Mustang by upgrading the cylinder heads.