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Edelbrock Performer RPM Cylinder Head for Gen III HEMI #2343800
07/26/17 06:18 PM
07/26/17 06:18 PM
Joined: Jan 2003
Posts: 15,500
Norwich CT USA
moparts Offline OP
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Available Now...
Edelbrock Performer RPM Cylinder Head for Gen III HEMI Engines

Torrance, CA - {July 26, 2017}
Edelbrock is excited to announce the release of its much-anticipated Performer RPM cylinder head for 2003-Present Gen III HEMI® engines.

The Edelbrock Performer RPM is a bolt-on performance upgrade for 2003-Present Gen III HEMI® 5.7L, 6.1L, 6.2L and 6.4L engines. It's designed with the Eagle intake and exhaust port location and can be used with the 5.7L Eagle and later stock intake manifold, exhaust manifolds, valve covers, rockers, spark plugs and accessories, as well as Hellcat components. These cylinder heads have been machined to be used on either the driver or passenger side of the block.

This cylinder head features fully CNC machined combustion chambers along with CNC profiled bowls and port entries/exits for improved air flow. It also features more material in the deck and reinforced combustion chambers for increased cylinder pressures. The rocker bosses have been reinforced for improved stability and strength. Extra material has been added around the intake and exhaust ports to allow for porting in racing applications. The intake and exhaust valves have been tipped away from the bore wall to accommodate the larger valves, while maintaining compatibility with OEM valvetrain components. The seat diameters have also been increased for improved heat transfer and durability.

http://edelbrock.com/advertising/Edelbro...119_chamber.jpg

http://edelbrock.com/advertising/Edelbro.../61119_deck.jpg

http://edelbrock.com/advertising/Edelbro...119_exhaust.jpg

http://edelbrock.com/advertising/Edelbro...1119_intake.jpg

http://edelbrock.com/advertising/Edelbro...angled_left.jpg

http://edelbrock.com/advertising/Edelbro...ngled_right.jpg

Edelbrock1.jpgEdelbrock2.jpg
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2343802
07/26/17 06:19 PM
07/26/17 06:19 PM
Joined: Jan 2003
Posts: 15,500
Norwich CT USA
moparts Offline OP
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Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2343945
07/26/17 10:13 PM
07/26/17 10:13 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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Might have to buy a set and look for somthing to put them on,,,,,


'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2344099
07/27/17 08:40 AM
07/27/17 08:40 AM
Joined: Jan 2006
Posts: 1,400
Trumbauersville PA
ric3xrt Offline
pro stock
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they look good,


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Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2364445
09/03/17 10:58 AM
09/03/17 10:58 AM
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Posts: 4,152
SO. CAL.
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70blackfish Offline
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how much?

Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2364733
09/03/17 05:21 PM
09/03/17 05:21 PM
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Home
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SRT6776 Offline
I hate internal combustion engines!
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Flow numbers compared to factory Apache heads?

Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: 70blackfish] #2364766
09/03/17 06:15 PM
09/03/17 06:15 PM
Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda Offline
5.7L Hemi, 6spd
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5.7L Hemi, 6spd

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Originally Posted By 70blackfish
how much?


$1300/assembled head. They have an intake as well.

They're genIII Hemi parts were announced last November at SEMA.


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: GoodysGotaCuda] #2365010
09/04/17 05:10 AM
09/04/17 05:10 AM
Joined: Jun 2003
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Charleston
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sixpackgut Offline
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They one thing I would like to know is can they fit a dual valve spring. A 2.165 stainless valve would be very heavy for a behive


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2365048
09/04/17 10:12 AM
09/04/17 10:12 AM
Joined: Jan 2006
Posts: 1,400
Trumbauersville PA
ric3xrt Offline
pro stock
ric3xrt  Offline
pro stock

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Posts: 1,400
Trumbauersville PA
Valve Lift Stock 5.7L Early Stock 6.1L Stock 6.4L Edelbrock
.100" 71 80 86 82
.200" 134 161 168 165
.300" 192 227 239 251
.400" 233 270 292 308
.500" 256 289 315 335
.600" 258 294 323 345
.700" 261 296 324 348
Their Flow Numbers .

As for a Dual spring, looks like the spring seat area is 1.55 as delivered. FWIW.


Truth has no agenda, but those with an agenda make their own truth.
Some of us are so open minded they only see their View



Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2365112
09/04/17 12:37 PM
09/04/17 12:37 PM
Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda Offline
5.7L Hemi, 6spd
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5.7L Hemi, 6spd

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Texas
Taken from the numbers above.

Screen Shot 2017-09-04 at 9.37.23 AM.png

1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
[img]https://i.imgur.com/v9yezP9.jpg[/img]
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2365241
09/04/17 03:33 PM
09/04/17 03:33 PM
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Posts: 9,225
Charleston
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sixpackgut Offline
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The spring retainer needs to be lower on the stem to clear stock rockers also.


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2365277
09/04/17 04:15 PM
09/04/17 04:15 PM
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Nebraska
72Swinger Offline
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The pics ive seen show a valve tip above the keeper very similar to the Thitek.


Mopar to the bone!!!
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: 72Swinger] #2387806
10/15/17 06:14 PM
10/15/17 06:14 PM
Joined: May 2004
Posts: 12,379
Taxes & Virus's R-US, NY
Dragula Offline
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Can these be ordered yet?


'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: Dragula] #2387862
10/15/17 09:03 PM
10/15/17 09:03 PM
Joined: Nov 2003
Posts: 1,825
NW Indiana
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fbs63 Offline
top fuel
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NW Indiana
Yes. I have a bare set in the garage.

Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: fbs63] #2389383
10/18/17 04:30 PM
10/18/17 04:30 PM
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Charleston
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sixpackgut Offline
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Originally Posted By fbs63
Yes. I have a bare set in the garage.


Can you post some pics? Do they give you info on what the valve length might be?


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: sixpackgut] #2389394
10/18/17 04:45 PM
10/18/17 04:45 PM
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NW Indiana
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fbs63 Offline
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I will post a few pics evening. The valve length is about the same as Apache heads valves. Within .030"

Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: fbs63] #2389491
10/18/17 08:30 PM
10/18/17 08:30 PM
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Charleston
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sixpackgut Offline
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I would like to see spring seats and bowl areas.

Why did you buy them bare?


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: sixpackgut] #2389591
10/18/17 11:08 PM
10/18/17 11:08 PM
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NW Indiana
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fbs63 Offline
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NW Indiana
Here are some pics of the heads. I bought them bare so we could try a few things with them. One nice thing is they come with no valve job so you have material to work with.

20171018_191356_resized.jpg20171018_191408_resized.jpg20171018_191427_resized.jpg20171018_191441_resized.jpg
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: fbs63] #2389593
10/18/17 11:10 PM
10/18/17 11:10 PM
Joined: Nov 2003
Posts: 1,825
NW Indiana
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fbs63 Offline
top fuel
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Sorry for the quality. Must be shakey today!

20171018_191508_resized.jpg20171018_191537_resized.jpg20171018_191559_resized.jpg
Re: Edelbrock Performer RPM Cylinder Head for Gen III HEMI [Re: moparts] #2389696
10/19/17 03:30 AM
10/19/17 03:30 AM
Joined: Jun 2003
Posts: 9,225
Charleston
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sixpackgut Offline
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So i wonder if a dual spring fits over that big step on the spring seat. Port looks either wide or pushrod pinch has more material. The bowl looks nice


Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram

performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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