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Performer 5.0/5.8L Cylinder Heads by Edelbrock
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100% of reviewers $925.00 6.4
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Description: Direct bolt-on heads for 1982-95 5.0L and 5.8L (351-W) V8s originally equipped with pedestal mount rocker arms. On a ’93 5.8L engine torque improved more than 80 ft/lbs. over stock when these heads were combined with the Edelbrock Total Power Package. They accept 1982-95 5.0L V8 pedestal mount rocker arms and valvetrains. 1.90" intake valves are for use with stock pistons and 2.02" intake valves are for aftermarket pistons notched for valve clearance. These heads will not accept rail rockers. Ford 5.0L engines require Edelbrock Head Bolt Bushings #9680 and either Edelbrock Head Bolt Kit #8552 (7/16") or stock head bolts. See chart for more specs. Note: 1986 5.0L must have pistons notched for clearance.

For more information visit: http://www.edelbrock.com/automotive/
SHELBY GT 350 Member
 
Posts: 5,242
Registered: April 2002
Location: Mexico City



Author
GTRaptor

SHELBY GT 350 Member

Registered: April 2002
Location: Mexico City
Posts: 5242
Review Date: 5/12/2003 Would you recommend the product? Yes | Price you paid?: $1,100.00 | Rating: 4 

 
Pros: Great quality, nice bolt on power
Cons: none

This is a quality head. TFSs in comparison are cheap looking (you pay for that)
They are truly a bolt on deal, even keeping all your old valvetrain including stamped rockers.

Sold them because of money troubles, but definately would buy again.
The new models are already CNCed so they should flow in pair or better than 165 AFRs.

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Rob Hernandez, AFM co-Founder.
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StalkerStang

Senior Member

Registered: April 2002
Location: Surprise
Posts: 2214
Review Date: 7/1/2003 Would you recommend the product? Yes | Price you paid?: $600.00 | Rating: 5 

 
Pros: Lightweight, Rev-happy, Power
Cons: none yet!

I put these on a stock short block w/ Edelbrock Performer intake, 65mm throttle body, 75 mm Maf, and e303 cam. Power feels the same up til about 3-3500 rpm's, where it pulls harder than stock, and keeps pulling all the way to 6-6500 rpms. Definatly great for a mild street motor, or more. Even with these heads/combo, I managed to get 25 mpg with 3 people in the car and luggage.

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Jesse Berger
90 LX, Previous 4 cyl.
408W In the Works
TW FAC's, Jay Allen cam, Super Victor

2001 V6 5 Speed Daily Driver
Windstar Intake, Dual Exhuast, CAI, Headers
Best ET: 15.44@91 mph (on 18's)
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xchpstang
Rookie

Registered: April 2002
Location: Los Angeles CA
Posts: 16
Review Date: 9/11/2003 Would you recommend the product? Yes | Price you paid?: $1,000.00 | Rating: 5 

 
Pros: quality, power, features
Cons: not best flowing head

The heads were of superb quality and provided outstanding power. I've heard that TFS TW and AFR 165's make more power but I am still happy with these. I recommend these if you want trouble free bolt on performance.
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NICK09

Made Member

Registered: August 2006
Location: Fresno
Posts: 378
Review Date: 8/1/2006 Would you recommend the product? Yes | Price you paid?: None indicated | Rating: 10 

 
Pros: NONE YET
Cons:

FROM READING THIS REVIEW...IM ALMOST SURE I WANT THESE HEADS.......YET ..DOES ANYONE HAVE ANY CONS TOWARDS THEM...IF SO HELP!! I DONT WANT TO MAKE A COSTLY MISTAKE.......I HAVE A LOWER 5.0 AND WANT SOME MORE POWER.....IS THIS THE CORRECT CHOICE OF HEADS.....IF NOT , WHAT WOULD ANYONE RECOMEND, AS FAR AS HEADS AND CAM.....?????

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91, 5.0 5spd, AFR 165 heads, e303 cam, Edelbrock upper and lower Intakes, bbk egual Headers, bbk 70mm tB, 70mm spacer, 75mm pro mass/24#inj- 1.7 trick flow RRs, BBK Ford R Crome valve covers, Hurst short throw shifter, Edelbrock true roller chain, BBk off road H-piipe, Flowie cat backs, Frame Connectors, Granitily Rear ajustable lower arms, 3.73 gears, Black magic Electric Fan, Under pullies, Ford Racing alum Rad, Msd ignition, 18" cobras, 12"JL audio subs, Rockford Fosg AMP,
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kbconv
Rookie

Registered: August 2009
Location: Nashville
Review Date: 8/26/2009 Would you recommend the product? Yes | Price you paid?: $1,000.00 | Rating: 8 

 
Pros: Bolt on, Brand name, Lightweight, Woke car up
Cons: Valvesprings started eating into AL (old version)

Part of the first mods to my 95 GT after 3.73 gears.
I put on these heads (6037 1st gen.), Cobra intake, 1.7 rockers and FMS shorty headers.

Car went from a wheezer to a screamer. Well, untill the Kenne Bell that is.

I took them off at 10 or 20,000 miles and checked the pocket under the valvesprings after some internet reports of the springs eating into the pockets and mine were just starting too. I wouldn't really be too happy with an engine full of AL shavings.

But this was just around the time their were some internet reports of valve guide problems on Twisted Wedge heads too, which may have made more power.

Also, some say (internet rumor) that the spring package on the Edelbrocks is weak.
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5.0mustangaod

Apprentice

Registered: July 2008
Location: Vancouver
Posts: 203
Review Date: 8/30/2009 Would you recommend the product? Yes | Price you paid?: None indicated | Rating: 0 

 
Pros:
Cons:

I just bought a set off a friend, just what rockers do you recommend with these heads and a E303 cam. Do you have to change the pushrods?
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