Or you can use modern heads and actually gain significant horsepower and not have a two decade old piece of cast iron inside your engine waiting to break down.
Ford 302 gt40 heads hp.
With those numbers in hand we made three changes in two steps.
Standard ford 289 and 302 small blocks were factory rated between 200 and 230 hp.
Ford offered a performance head that was a stock part on 1993 1995 mustang cobra models and pre 1997 1 2 ford explorers and mercury mountaineers equipped with the 5 0 l engine called the gt 40 head casting id f3ze aa.
To identify your gt40 gt40p heads look for a gt or gt40p stamp inside the heads or a three bar gt40 or 4 bar gt40p stamped on the side of the head.
In mid 1997 the explorer and mountaineer 5 0 l heads were revised and renamed.
Ford factory 5 0 performance cylinder heads.
Gt40 gt40p head specs.
The gt 40 s ported and polished made 270 hp at the rear wheels the e7te s made 254hp fully ported and polished.
The dyno recorded a peak horsepower reading of 489 hp but the air fuel ratio was slightly on the rich side at 11 5 1 so we increased the nitrous jet to a 61 and hit the button again.
Atk high performance engines hp99f atk high performance 1968 74 ford 302 stock drop in long block crate engines crate engine ford 302 stock drop in long block assembled external balance cast iron cylinder heads each.
Essentially you can port your e7te heads which will earn you about thirty horsepower or you can upgrade to gt40 heads which will also earn you about thirty horsepower.
I believe the 94 95 gt s also had the gt40 s stock.
Gt40 gt40p heads were a more free flowing cylinder head that outperformed the factory e7 heads that were found on most 5 0 fox body mustangs.
That combination developed 278 hp at 5 200 rpm and 315 lb ft of torque at 4 100 on westech performance s superflow 901 engine dyno.
The vaunted 289 high performance engine was said to make 271 hp.
Today if a 302 ford makes 360 hp on pump gas with.
Capri man gearhead.