What is the head flow on Edelbrock performer?
All Edelbrock cylinder heads are flowed at 28″ of water, which more closely represents what an engine will see. Beware of companies flowing heads at anything less than 28″ of water, because that is not a valid comparison with Edelbrock heads.
What do e7 heads flow?
So, if you want the total intake capacity for a 5.0L with E7TE heads, it’s (68.4 * 8) = 547.2CFM, which DOES make sense.
What CC are 289 heads?
289. The 289 head was produced in several casting types beginning in 1963. Like the 260 head, the 289 has compact 52- to 55-cc chambers with a more recessed spark plug. Valve size remains the same as the 260.
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.
Where is the part number on Edelbrock heads?
Its only on the top of the head. As far as I know, 6025 is the casting number on all Performer and Performer RPM heads.
Where are Edelbrock heads made?
California, USA
The E-Street heads are cast and assembled at Edelbrock facilities in California, USA, and are currently available for small-block Chevys and Fords. We asked if Mopar versions were coming soon: negatory. The E-Street line is marketed for applications under 400 hp and 5,500 rpm.
How much HP do GT40 heads add?
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.
What are GT40P heads?
What Are GT40 Heads? The Ford GT40 heads are a factory small block ford head found on certain vehicles, most notably, the Ford Mustang. They were most famous for their debut on the 1993 Cobra and were also found on the 1993-95 Ford SVT Lightning truck.
Will 289 heads fit a 302?
289s used a 1.65 (or real close) intake with a 1.45 exhaust valve diameter, 302 went to 1.78/1.45. Combustion chambers for the 289 heads is 54.5 cc and the 302s are only a bit bigger, under 60, something like 58 or 58. x. Pretty insignificant, less then a half point maybe.
Will GT40P heads fit 289?
Pretty much all 289 heads, except for the C3 HiPo heads, have 54.5cc chambers. GT40P’s run from 59-61cc. Expect to drop a half point in compression ratio, but you’ll make up some flow due to the larger valves and improved exhaust runner.
What did GT40P heads come on?
Which Vehicles Had GT40P Heads? The GT40P cylinder heads arrived on the scene in 1997 with Ford’s revision to the GT40 head. These heads were installed on the ’97-and-later Ford Explorer and Mercury Mountaineer SUVs.
What is the power output of an Edelbrock head?
Equipped with the Edelbrock aluminum heads, the power output of the 331 jumped to 431 hp and 428 lb-ft of torque. After you have the right cam and intake, cylinder heads offer big power gains.
Which is Edelbrock manifold does a 302 fit?
Edelbrock Part # 2121 Performer 289 intake manifold is designed for street 260-289-302 c.i.d. Ford V8’s without EGR. Will not fit Boss 302 or 255 c.i.d. V8’s. Edelbrock’s Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off-idle through 5500rpm.
How much horsepower does a 331 Edelbrock have?
After installation of the Edelbrock heads, the power output of the 331 jumped to 431 hp and 428 lb-ft of torque. The Edelbrock head swap netted a cool 85 hp on this mild 302 stroker, showing exactly where they stand in the pecking order compared to stock heads.
How big is the valve package on an Edelbrock Ford?
Where the stock E7TE heads relied on a 1.78/1.46-inch valve package, the Edelbrock heads stepped these sizes up to 2.02/1.57-inch combo. Working with the increased valve sizes was a commensurate increase in port volume.
