How much horsepower will gt40 heads add?
You just want to keep it out of detonation. While we’ve seen engine dyno tests performed with GT-40P heads replacing factory E7TE castings and resulting in a boost of more than 25 hp, we have reluctantly set our horsepower gain goal at 25 ponies, as well.
How much are gt40 heads worth?
Used gt40 cylinder heads for sale sold eBay prices are $1,151. New current listings averaged $644 higher vs used current listings for a difference of 41.87%. On Amazon, the average price is: $184 for the first 10 product results.
Where can I find GT40P heads?
The GT40 heads can be found specifically on the 1993-1995 SVT Cobra Mustang as well as the 1993-1995 SVT Lightning. These can also be found on the 1996-Mid 1997 Ford Explorer & Mercury Mountaineer SUV.
What heads are better gt40 or GT40P?
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.
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 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 is a GT-40 cylinder head?
The GT-40 (P) cylinder head is popular for classes that must run a stock Ford production head. Like other stock castings, there is plenty of room for improvement with this head.
Do you carry the Mac 1-5/8-inch unequal length Shorty headers for gt-40p heads?
AmericanMuscle no longer carries the MAC 1-5/8-Inch Unequal Length Shorty Headers for GT-40P Heads; Ceramic (79-93 5.0L). Please check out 2015-2021 Mustang Headers for an updated selection. Enter Your Email to Save Products. By entering your email, you agree to receive recurring automated marketing emails from AmericanMuscle at the email provided.
What kind of air flow does a GT40 have?
The GT-40 (P) cylinder head is popular for classes that must run a stock Ford production head. Like other stock castings, there is plenty of room for improvement with this head. Stock air flow on this head tops out at 190 cfm intake and 128 cfm exhaust.
What is the intake and exhaust CFM of a GT-40?
When “ Undercover Ported “, the GT-40 head will flow 202 to 210 cfm intake and 145 on the exhaust side.