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Next step, EZ heads #835176
10/21/10 08:54 AM
10/21/10 08:54 AM
Joined: Jul 2005
Posts: 512
Illinois
Mopar_Ray Offline OP
mopar
Mopar_Ray  Offline OP
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Illinois
I am looking at Indy EZ heads. Motor is a 440/505 stroker, TTI 2-1/8 step headers, Comp XE295HL Hydraulic, 251/257 duration, 564/564 lift cam. I want to stick with my current cam for now. So I'm wondering which EZ's to go with, standard port or max-wedge port?

Re: Next step, EZ heads [Re: Mopar_Ray] #835177
10/21/10 09:04 AM
10/21/10 09:04 AM
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Milwaukee
ToddP Offline
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Milwaukee
You may have issues fitting the tti step headers as they are for a raised exhaust port head?

Re: Next step, EZ heads [Re: ToddP] #835178
10/21/10 09:11 AM
10/21/10 09:11 AM
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Eighty Four, PA
B G Racing Offline
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EZs use all standard Mopar parts.The port will depend on how much power and at what RPM.

Re: Next step, EZ heads [Re: ToddP] #835179
10/21/10 09:12 AM
10/21/10 09:12 AM
Joined: Jul 2005
Posts: 512
Illinois
Mopar_Ray Offline OP
mopar
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Illinois
Quote:

You may have issues fitting the tti step headers as they are for a raised exhaust port head?




They are custom low deck headers, modified by TTI to work on a 440 with standard exhaust port location. Fit fine on stock heads, but are meant to work with heads with angled plugs. They don't play nice with straight plugs.

Re: Next step, EZ heads [Re: Mopar_Ray] #835180
10/21/10 09:23 AM
10/21/10 09:23 AM
Joined: Jun 2003
Posts: 9,225
Charleston
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sixpackgut Offline
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Charleston
Quote:

I am looking at Indy EZ heads. Motor is a 440/505 stroker, TTI 2-1/8 step headers, Comp XE295HL Hydraulic, 251/257 duration, 564/564 lift cam. I want to stick with my current cam for now. So I'm wondering which EZ's to go with, standard port or max-wedge port?




I kindof use both. i bought the bottom of the line EZs from Porter who touched up the guides, angles and a backcut on the valves. i ported the heads out to MW but i use a standard port intake that has been welded up at the flange to make it fit MW. i ported the intake alot to make the runners as large as possible though


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Re: Next step, EZ heads [Re: B G Racing] #835181
10/21/10 09:24 AM
10/21/10 09:24 AM
Joined: Jul 2005
Posts: 512
Illinois
Mopar_Ray Offline OP
mopar
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Illinois
Quote:

EZs use all standard Mopar parts.The port will depend on how much power and at what RPM.




I'm looking for about 750 hp eventually. I don't think I'm gonna get there with this cam. Trying to figure out which will work best with my current cam?

Re: Next step, EZ heads [Re: Mopar_Ray] #835182
10/21/10 09:37 AM
10/21/10 09:37 AM
Joined: Mar 2006
Posts: 9,910
Eighty Four, PA
B G Racing Offline
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Quote:

Quote:

EZs use all standard Mopar parts.The port will depend on how much power and at what RPM.




I'm looking for about 750 hp eventually. I don't think I'm gonna get there with this cam. Trying to figure out which will work best with my current cam?





Max wedge ports ,more compression and big cam. You can always start with the standard port then upgrade later.

Re: Next step, EZ heads [Re: B G Racing] #835183
10/21/10 09:51 AM
10/21/10 09:51 AM
Joined: Jun 2005
Posts: 1,209
Fredericktown, PA 15333
maundmotorworks Offline
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If you stay with EZ heads, it would be best to start out with the EZ-1 kit. The EZ-1 heads have the Max Wedge ports to start with and are only a couple hundred dollars more. I'm sure it would cost at least that to open a set of standard EZ heads up to MW port size anyway. Exhaust ports are still the same, so no special headers are required with the EZ-1.


Maund Motorworks--supplier of high performance Mopar engines--specializing in B, RB, and Hemi. www.maundmotorworks.com
Re: Next step, EZ heads [Re: maundmotorworks] #835184
10/21/10 09:57 AM
10/21/10 09:57 AM
Joined: Mar 2006
Posts: 9,910
Eighty Four, PA
B G Racing Offline
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Quote:

If you stay with EZ heads, it would be best to start out with the EZ-1 kit. The EZ-1 heads have the Max Wedge ports to start with and are only a couple hundred dollars more. I'm sure it would cost at least that to open a set of standard EZ heads up to MW port size anyway. Exhaust ports are still the same, so no special headers are required with the EZ-1.




Matt has done a lot of EZ builds.

Re: Next step, EZ heads [Re: Mopar_Ray] #835185
10/21/10 11:50 AM
10/21/10 11:50 AM
Joined: Jan 2003
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Oregon
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AndyF Offline
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Oregon
I've spent a lot of time with a EZ headed 505 on the dyno. A lot of what I've learned is in the tech archives.

Re: Next step, EZ heads [Re: Mopar_Ray] #835186
10/21/10 11:56 AM
10/21/10 11:56 AM
Joined: Feb 2003
Posts: 4,953
Houston, Texas
TheOtherDodge Offline
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"I'm looking for about 750 hp eventually"

You may be better off to go with the "traditional" -1's.

I ran them with a 498, 12:1 compression, .640, 259 @ .050 solid roller. I never did dyno it but it did run 9.87 @ 137 in a 3500 lb street car set up for nitrous (4.30 gear/30" tire, tight 4000 converter, footbrake). Based on that, I am guessing I made 720ish hp.

Re: Next step, EZ heads [Re: TheOtherDodge] #835187
10/21/10 12:26 PM
10/21/10 12:26 PM
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Glendale Az
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Darryls-Demon Offline
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Quote:

"I'm looking for about 750 hp eventually"

You may be better off to go with the "traditional" -1's.

I ran them with a 498, 12:1 compression, .640, 259 @ .050 solid roller. I never did dyno it but it did run 9.87 @ 137 in a 3500 lb street car set up for nitrous (4.30 gear/30" tire, tight 4000 converter, footbrake). Based on that, I am guessing I made 720ish hp.





Or a set of Big Easys

Re: Next step, EZ heads [Re: maundmotorworks] #835188
10/21/10 02:12 PM
10/21/10 02:12 PM
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SO. CAL.
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70blackfish Offline
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Quote:

If you stay with EZ heads, it would be best to start out with the EZ-1 kit. The EZ-1 heads have the Max Wedge ports to start with and are only a couple hundred dollars more. I'm sure it would cost at least that to open a set of standard EZ heads up to MW port size anyway. Exhaust ports are still the same, so no special headers are required with the EZ-1.




I agree X2

Re: Next step, EZ heads [Re: 70blackfish] #835189
10/21/10 02:15 PM
10/21/10 02:15 PM
Joined: Jan 2003
Posts: 4,152
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70blackfish Offline
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and I would p/u Andys book...you will be glad you did.

Re: Next step, EZ heads [Re: 70blackfish] #835190
10/21/10 02:34 PM
10/21/10 02:34 PM
Joined: Jan 2003
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Oregon
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AndyF Offline
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Oregon
I did include a fair amount of EZ related stuff in the book including the Jesel conversion. I don't think anyone else has ever published that info. I think the Jesel setup is great for the EZ heads but Indy doesn't sell the kit and neither does Jesel.

The 514 I have on the dyno right now uses my old EZ heads and it is making something north of 800 hp. We broke the dyno load cell during testing so I'm not sure exactly how much power it is making but I can tell it is healthy.

Re: Next step, EZ heads [Re: Mopar_Ray] #835191
10/21/10 06:20 PM
10/21/10 06:20 PM
Joined: Oct 2004
Posts: 1,379
Airdrie, AB
Mills Offline
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Quote:

I am looking at Indy EZ heads. Motor is a 440/505 stroker, TTI 2-1/8 step headers, Comp XE295HL Hydraulic, 251/257 duration, 564/564 lift cam. I want to stick with my current cam for now. So I'm wondering which EZ's to go with, standard port or max-wedge port?




With EZ-1's and a nice Indy SP intake - you'll be around 650 HP / 650 lb-ft.

While Std. Port Heads would be fine (especially with that cam) with a future goal of 750 HP will be extremely tough w/o a MW head.

My stroker w/ same cam made #'s in my sig...nice hydraulic cam for us lazy guys that don't feel like lashing valves


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Re: Next step, EZ heads [Re: Mills] #835192
10/21/10 09:11 PM
10/21/10 09:11 PM
Joined: Dec 2004
Posts: 10,551
Rittman Ohio
fourgearsavoy Offline
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Rittman Ohio
I have the standard base EZ's with just some bowl work and std.RB ports and it runs great
I am only running a small flat solid cam,Comp 588 XTQ series and it seems perfect with the smaller ports.
There is plenty of potential in the base EZ's with a stock size port
Gus


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493 Indy EZ's by Nick at Compu-Flow
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Re: Next step, EZ heads [Re: fourgearsavoy] #835193
10/21/10 10:05 PM
10/21/10 10:05 PM
Joined: Nov 2003
Posts: 6,293
Rock Springs
Bob_Coomer Offline
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Rock Springs
If your after 750hp, go ahead and CNC port the heads now. Im going to say a cam swap will be in order later too. Best to have the heads done right now, than pull the heads later, box them up and ship them out and wait 2 months.
But realistically your current engine will run fine with the OOTB and nicely prep'd EZ heads.
They are much better OOTB than the traditional -1's


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