Edelbrock Performer RPM Cylinder Head for Gen III HEMI

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

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

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

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http://www.edelbrock.com/automotive/mc/cylinder-heads/chrysler/performer-rpm-hemi.shtml

Might have to buy a set and look for somthing to put them on,,,,,

they look good,

how much?

Flow numbers compared to factory Apache heads?

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

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

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

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.

Taken from the numbers above.

The spring retainer needs to be lower on the stem to clear stock rockers also.

The pics ive seen show a valve tip above the keeper very similar to the Thitek.

Can these be ordered yet?

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?

I will post a few pics evening. The valve length is about the same as Apache heads valves. Within .030"

I would like to see spring seats and bowl areas.

Why did you buy them bare?

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.

Sorry for the quality. Must be shakey today!

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

I don't see why you couldn't tube the pushrod hole like they do with Gen II Hemi heads. Could remove most of the pinch that way.

You can. I tubed my eagle heads i run

Following.

Are the Eddy's worth it vs using an Apache with basic port and bowl work and correct valve springs for application?

Whats the cost of a pair of OEM assembled Apache's?

At what point are the Eddy's worth buying?

This is the lowest price I found today for an Apache heads 845 +$150 Core charge.
now its for the Right side, left is about $100 more.


https://www.moparoem.net/oem-parts/mopar...ASAAEgJok_D_BwE

OK, this is for an assembled head made from the better alloy and having the reinforced deck? Assembled BGE heads?

For N/A, wont the standard issue Apache's work? This is what Triple Threat uses and his setup is awesome.

When is Eddy head better than standard issue Apache for a Triple Threat type engine?

Seems like the standard OEM Eagle and Apache assembled heads are an awesome value for HP per dollar...

For NA, yeah the BGE is hard to beat, There doesn't seem to be a lot of feedback on the Eddy heads yet, and at $1300 for One head I'm surprised they are sold out(according to summit complete assembled head).
as for when is the Eddy a better head, I can't answer that. I don't know anyone personally that has them., the Intake manifold yes, I know 2 and they are split on how they feel, One loves it , the other put it on CL a week after he got it.

Cost difference from car 6.4 heads vs BGE?

For NA, you wouldn't need the BGE pieces right?

https://www.moparpartsoverstock.com/p/Je...68280511AB.html
For NA the SRT8 head would be fine

$640ish +150 Core

Anyone know combustion chamber sizes for eagle and apache?

Wondering what the compression would be for putting an eagle on a 6.4?

Maybe I'll start a new thread for this, what do you think?

Approx new prices for a NEW high comp (12/1 or better?) G3:

3500--OEM 6.4 shortblock,has steel crank
1500--OOTB eagle heads, change springs if needed
0720--ritter intake
1100--Dominator carb
0720--MSD-6 & harness
0700--dragpak type cam, suit to fit combo or use 6.4 cam
0420--lifters
8660--total

Add a few other new parts and maybe pickup other pieces used and have a NEW high comp motor for around 12K or less?

Get a used low mile 6.4 shortblock and it gets even better...

We know the rods and pistons are OEM, but these motors have proven to be strong and take lots of abuse. As much as I don't like the VVT configuration, people are locking this out and making big power reliably.

If you figure a moderate, but realistic 1.5 HP per cube, we get 588 HP for this 392 build. Go with 1.54 HP/cube and get 603 HP.

This seems like a lot of performance for an essentially "bolt-together" motor that wouldn't need a lot of support (if any) from a machine shop. Of course it would be advisable to measure and check/adjust everything as necessary.

Just a thought, as this is what we have readily available and to use with mostly new OEM pieces.

Moparmitch, PM me if you are looking for a new 6.4 short block at a better price. Thanks

What is this BGE head you all seem so high on? Not "high" high, but positive.

The BGE stands for Big Gas Engine. These are the 6.4 engines that come with the heavy duty ram trucks. The heads you mentioned are basically Hellcat type heads with a conventional intake bolt pattern instead of the supercharger intake.

Best description froA2Speed web site

What is a “HEMI Big Gas Head”?
Think of it as a Hellcat head with a 6.4 intake manifold bolt pattern.

This is the head used in the RAM Truck equipped with the 6.4L HEMI, first made available in 2014. The HEMI Big Gas head was extensively redesigned by Dodge SRT engineers with keen focus on durability in a heavy duty environment.

Some key features:
Castings and Material: The casting is derived from the SRT8 Hellcat head, giving the Big Gas Heads substantially improved internal reinforcement and improved water jackets. They are also made of the same 356 T-6 aluminum alloy found in the Hellcat Head. (vs. the T319 modified alloy used in the Apache 6.4L head).

Valves: By our measurements the Big Gas intake valves are 54.3 mm (2.138”); exhaust valves are 42 mm (1.654”); the same size as the Apache’s. The Big Gas valve guides are stainless steel and seats are a modified steel alloy. Both the Big Gas and Apache valves have hollow stems to reduce inertial mass allowing for higher RPMs. Exhaust valves are sodium filled; when the exhaust valve gets hot, the sodium liquefies which in turn transfers heat from the valve head to the valve guides via a “cocktail shaker” effect induced by valve’s motion. This style of exhaust valve helps prevent hot spots in the combustion chamber & valve head which reduces the possibility of pre-ignition. Visually it’s apparent that the Big Gas valves are a different material or have a different coating then the Apache’s; but as of this writing I haven’t been able to get a spec for this.

Intake Ports: On both the 6.4L Apache and Big Gas HEMI heads no clean-up machining is necessary on the intake ports. When the heads are cast, a fine sand (AFS 90) is used around the intake port cores. This provides the intake ports with a smooth surface finish and exceptional flow characteristics. Intake valve angle on both heads is 18°.

Exhaust Ports: Experience has shown that the greatest gains in Gen III HEMI heads are found in the exhaust ports. The Big Gas exhaust ports have improved long turns, guide support and ceiling. Un-like the Apache, the Big Gas HEMI head has fine sand cast exhaust ports, the resulting smooth surface finish improves flow characteristics dramatically. Exhaust valve angle on both heads is 16.5°.

Combustion Chamber: The Apache and Big Gas heads have similar quench-free combustion chambers. The Apache chamber is 73.4 cc’s, we will be pouring both chambers next week, will report results in a new thread.

Valve Springs: The Big Gas and Apache heads come with the same valve springs; meaning that replacement is required for aftermarket cams.

In summary: In summary, the Big Gas head is an outstanding yet affordable option for boosted applications where cylinder pressure and thermal stresses are anticipated. It’s a great option for a naturally aspirated motor as well, particularly if it's bottle-fed.

Thanks for posting pics of my new heads. I think Ray just received them, hopefully he can do a mild clean up on them. Probably going on an aluminum 6.1 block...

Thanks gents! I now know all I need to know about BGE heads. It seems like they are the pick of the litter in factory Gen 3 heads. 356-T6 is a huge improvement.

It's pretty impressive that a gas powered NA production truck has hollow stem intakes and sodium filled exhaust valves. One would have to think that the valves are a stainless alloy. My guess would be a 21-4N, which would assist in the "durability in a heavy duty environment" parameter. If this paragraph proves to be in error, I'll eat a hat..my own.

I just searched and found pictures of the assembled BGE heads. The valves are definitely coated with at least a different color, but I will assume that the coatings too, are part of that "durability in a heavy duty environment" bit.

Thanks again to you both. School was painless today.

With indy gasket

Nice short turn

Datsa real nice!

Two thumbs up

The Edel heads got shipped today. Im really happy to announce they are going to Craig Tibeau for VJ and fitted for valves. Craig's bench compares very well to mine. Also looking forward to any insights he might fill me in on.

When does the van get G3'ed?

The reason the new hemi has been on the back burner is the van got AC and 5.9 magnum with slightly ported heads. It didnt go as planned and wasted a bunch of time and money on the swap

Not to divert...but has anyone heard any news on an Edelbrock high rise intake manifold, similar to the Ritter intake? I feel like Edelbrock is missing the boat here by not having an intake aside from FI or the dual 4 setup they currently have. Good heads don't seem to be hard to find for G3s...intakes on the other hand...

I spoke to the edelbrock guys at Carlisle they didn't seem to interested in a drag pack/Ritter intake. The feeling was their current offering was what "everyone" wanted?

I got a similar answer, I was told that there was some discussion and exploratory into a RPM style single 4 BBL intake but the cost vs return on investment didn't get past bean counters.

Hold tight. There is something coming, but not from Edelbrock. I know of at least two new offerings coming in Q1 of 2018. More info as this develops.

Craig Thibeau just sent me numbers from the edel heads I ported

It's q2 of 2018 now, did these happen?

All the need to do is redo the ends on the P7 intake manifold and it will be almost ready to bolt on!!!
Matt

Man you guys didn't even call me....I have to find it posted on the interweb!

Did you stick with the 2.165 Int. valve?

^^^^^^^^^^^^^^^^
Done and tested, better Hp#'s than Arrow(Prefix) not as good as Drag Pak. Hold tight, by June Photos.

Your 6.4's flow better correct?

Care to share photos?

He used 2.16 valve

Last set I did for a member here, he had me do a VJ and they were the best set I have done yet. They went 320 at 4 and 363 at 6

My Eagles are about exactly 10 cfm less

Lol, had a busy day yesterday

What are you guys seeing for Eagle head pricing lately...?

243R
345L
Bare head. No valves partially machined

Are you getting them from a dealer? If so, would you have the part #'s for the bare heads? I only have part #'s for complete heads...thank you!
Brian

if you don't need the EGR , buy 2 Rights, just need to drill oil drain back and exhaust manifold holes.

Moparpartsoverstock.com

53021608DF and 609

Matt

The EGR is on the right side head but most eagles (I actually don't think I have seen any as the VCT eliminates the need for it) don't have it anyhow.

09/10 aspen/durangos had an egr.

Thank you!