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Patriot vortec heads (Pics Inside)

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Old Apr 20, 2011 | 10:02 PM
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Patriot vortec heads (Pics Inside)

Just got my patriot 2151 vortec heads in. I did a fair amount of research and after talking with people who have actually owned the heads I decided to putt the trigger on jegs they were 700 shipped here are the specs.

Technical Specs
Combustion Chamber: 64cc
Intake Runner: 185cc
Exhaust Runner: 60cc
Intake Valve: 2.02"
Exhaust Valve: 1.60"
Max. Valve Spring Lift: 0.575"
Spring Pressure Closed: 115 lbs. @ 1.800"
Spring Pressure Open: 310 lbs. @ 1.225"
Retainer Material: Steel
Valve Seal Material: Viton
Valve Job: 5-angle
Material: Cast Iron

Flow at 500 lift intake 241 exhaust 183

Yes they are cast no c&c the intake and exhaust ports are very smooth to the touch and I cannot immediately see anything wrong with them. I will hopefully have them installed in a month or so.

Anyway here are a few Pics I will try to get more later in the light,

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Old Apr 20, 2011 | 10:03 PM
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Re: Patriot vortec heads (Pics Inside)

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Old Apr 20, 2011 | 10:52 PM
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Re: Patriot vortec heads (Pics Inside)

Nice I'm thinking of going vortec one day... Doesn't GMPP offer vortex for less. What's the difference.
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Old Apr 21, 2011 | 06:18 AM
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Re: Patriot vortec heads (Pics Inside)

700 with the valves installed? good deal either way...i wanna do heads on my tpi 305 let me know how these work out for ya !!
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Old Apr 21, 2011 | 08:35 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by TNT_Z28
Nice I'm thinking of going vortec one day... Doesn't GMPP offer vortex for less. What's the difference.
185cc runner vs 170
2.02 , 1.60 valves vs 1.94, 1.50
Handles vortec and non vortec manifolds and valve covers vs only center bolt and vortec.
Guide plates vs self aligning rockers
screw in studs vs press in studs

Originally Posted by james.gould150
700 with the valves installed? good deal either way...i wanna do heads on my tpi 305 let me know how these work out for ya !!
Yea 700 shipped with everything installed. I got them from jegs with an install kit with 850 shipped total. I read some mixed reviews about patriot in general but then I found some people who actually have these heads and they said they worked just fine and gave nice performance over double humps. I think they look good no casting defects I can find. The castings are ultra heavy about 55 lbs loaded each. They should perform great. I wanted to go aluminum but also wanted peace of mind they heads would be strong so I got these iron heads.

So I am gonna do is a little clean up just remove any burs on the bowls then bolt them in about a month from now.

http://www.jegs.com/i/Patriot-Perfor...151K1/10002/-1
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Old Apr 21, 2011 | 08:50 AM
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Re: Patriot vortec heads (Pics Inside)

How are they compatible to both vortec and non-vortec manifolds? I understand how they can drill and tap for the other bolts, but how do they expect the runners to fit? Or do they require port matching?
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Old Apr 21, 2011 | 08:57 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 3rdgenmaro
How are they compatible to both vortec and non-vortec manifolds? I understand how they can drill and tap for the other bolts, but how do they expect the runners to fit? Or do they require port matching?
From what I understand non vortec manifolds have shorter ports but can work with the right gasket. It also helps to use an after market manifold with bigger ports like an edelbrock. I got a vortec manifold used cheap but what I wanted was the side bolt valve covers that make it easier to fit full roller rockers and I already have tall side bolt edelbrock valve covers.

I know the ports on the heads are slightly smaller than my edelbrock RPM vortec manifold. I will check my regular RPM manifold when I take it off as I would rather use that.
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Old Apr 21, 2011 | 09:14 AM
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Re: Patriot vortec heads (Pics Inside)

Those look good. I have been doing some research on these heads also. I'm thinking on buying them along with a hot cam. Keep us posted how well they work out. I may just buy a set after all. great price if they are good quality.
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Old Apr 21, 2011 | 09:15 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 3rdgenmaro
How are they compatible to both vortec and non-vortec manifolds? I understand how they can drill and tap for the other bolts, but how do they expect the runners to fit? Or do they require port matching?
I honestly cant see that as anything more than a marketting gimmick. There's no way regular port intakes can work as well on a vortec pattern head as intakes designed for it. The intake ports are narrower and taller.
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Old Apr 21, 2011 | 09:20 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by InfernalVortex
I honestly cant see that as anything more than a marketting gimmick. There's no way regular port intakes can work as well on a vortec pattern head as intakes designed for it. The intake ports are narrower and taller.
Not sure most of the forums I have read say a tall port regular manifolds work great but then again I am no expert. Personally I am going to use a vortec manifold but I got one cheap. If my regular manifold works well I will use that because it is polished.

Originally Posted by lunaticinaZ
Those look good. I have been doing some research on these heads also. I'm thinking on buying them along with a hot cam. Keep us posted how well they work out. I may just buy a set after all. great price if they are good quality.
I will let you know but it may be about a month. Like I said before I found a few people who are running them and they seem to love them.
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Old Apr 21, 2011 | 11:20 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by InfernalVortex
I honestly cant see that as anything more than a marketting gimmick. There's no way regular port intakes can work as well on a vortec pattern head as intakes designed for it. The intake ports are narrower and taller.
that is exactly why I asked

Midias, can you post up some pics sometime of a gasket on both the intake and heads to see how the ports will line up?
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Old Apr 21, 2011 | 12:20 PM
  #12  
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 3rdgenmaro
that is exactly why I asked

Midias, can you post up some pics sometime of a gasket on both the intake and heads to see how the ports will line up?
Sure I will when I get home but unfortunately I only have a vortec intake and gasket around the rest I will have to take off my car but that is not part of the plan until after I get the body work done. But what I can do is post a pic with it next to a friends I will try to get pics this weekend.
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Old Apr 22, 2011 | 07:24 AM
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Re: Patriot vortec heads (Pics Inside)

well even with just the vortec we will be able to see the port match/mismatch. I have just always been curious about this. Thanks
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Old Apr 22, 2011 | 07:23 PM
  #14  
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 3rdgenmaro
well even with just the vortec we will be able to see the port match/mismatch. I have just always been curious about this. Thanks
Like I said right now all I have is vortec stuff I will see if a friend can bring over a non vortec gasket tomorrow. But here is my vortec stuff.

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Old Apr 24, 2011 | 12:41 PM
  #15  
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Re: Patriot vortec heads (Pics Inside)

OK here are some pics of a non vortec gasket. What I found is the gaskets that came with the kit will seal either manifold no prob the gasket part number is

http://www.jegs.com/i/JEGS+Performan...10003/10002/-1

So I put a non vortec gasket over my heads note the gap. Please watch the video

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VIDEO

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Old Apr 24, 2011 | 06:58 PM
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Re: Patriot vortec heads (Pics Inside)

thank you very much for doing that.

Sealing is one thing, loss of intake air velocity is something else. Id love for some un-biased person to do a dyno comparison of vortec intake versus regular intake on a set of these heads.

One more question, with a regular vortec gasket, when you put it on the heads, does the gasket cover some of the port in the head?
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Old Apr 24, 2011 | 07:46 PM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 3rdgenmaro
thank you very much for doing that.

Sealing is one thing, loss of intake air velocity is something else. Id love for some un-biased person to do a dyno comparison of vortec intake versus regular intake on a set of these heads.
I would also love such a dyno. Personally I think the vortec manifold would win. But on the plus side I know certain regular manifolds have tall ports and line up well but at least it can be sealed if you want to upgrade the heads and cannot afford a new manifold at the moment.



Originally Posted by 3rdgenmaro

One more question, with a regular vortec gasket, when you put it on the heads, does the gasket cover some of the port in the head?
Yes he gasket is slightly smaller than the ports on the head.
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Old May 4, 2011 | 11:02 AM
  #18  
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Re: Patriot vortec heads (Pics Inside)

Just a small update on the heads. I recently visited a friend who had a fresh set of world products heads and I compared the two. Sorry no pictures but here are some quick notes.

Weight of castings

Both weigh in at about 55lbs assembled seemed similar thickness

Intake ports

World product a little smoother overall but with more areas with casting flash.

Water jackets

World products way smoother and cleaner but I do not think it will change performance much.

Exhaust ports

Similar to intake ports a little smoother but more areas with flash.

Bowls

A little smoother than patriot and the same amount of flash around the deck surface.

Machined surfaces

the world products have a much better valve cover gasket surface but otherwise looks the same.

Overall the WP heads are a little nicer but flow less and cost about the same.
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Old Jul 18, 2011 | 11:31 PM
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Re: Patriot vortec heads (Pics Inside)

I know this topic is a few months old but I have bought the same pair and now the questions just struck me... What type of intake manifold do these so called "vortec" heads work with? Are they truly vortec?
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Old Jul 19, 2011 | 05:34 AM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 10310
I know this topic is a few months old but I have bought the same pair and now the questions just struck me... What type of intake manifold do these so called "vortec" heads work with? Are they truly vortec?
They work with standard SBC manifolds and vortec manifolds. They are truly vortec heads. They have a vortec combustion chamber, intake and exhaust runners. But the are set up to be more early SBC friendly with both bolt patterns for intake and valve covers along with guide plates. Given the choice I have decided to use a vortec manifold because these heads do have vortec ports and a vortec manifold lines up better. I am hoping to install mine in the next week or so.
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Old Oct 9, 2011 | 09:17 PM
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by 10310
I know this topic is a few months old but I have bought the same pair and now the questions just struck me... What type of intake manifold do these so called "vortec" heads work with? Are they truly vortec?
If you look at the pics you'll see how poorly non vortec gaskets fit the intake ports... You can physically bolt a normal intake to it, but I think you'd lose a lot of power. part of the reason Vortecs make so much power an have such great port velocity are the raised intake runners.

They're rael vortecs with a gimmicky dual bolt pattern set up.

What I find strange is why they have GM casting numbers on them. Were these originally GM castings?
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Old Oct 10, 2011 | 07:31 AM
  #22  
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by InfernalVortex
What I find strange is why they have GM casting numbers on them. Were these originally GM castings?
Good question.
I have to spend about 700 bucks on a valve job and guides for my GM Vortecs.
If I can get NEW heads for about the same money then I'd take that route instead.
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Old Oct 10, 2011 | 07:44 AM
  #23  
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by InfernalVortex
If you look at the pics you'll see how poorly non vortec gaskets fit the intake ports... You can physically bolt a normal intake to it, but I think you'd lose a lot of power. part of the reason Vortecs make so much power an have such great port velocity are the raised intake runners.

They're rael vortecs with a gimmicky dual bolt pattern set up.

What I find strange is why they have GM casting numbers on them. Were these originally GM castings?
I am not sure. The castings seem to be quality but I don't know if they are real castings.

Originally Posted by skinny z
Good question.
I have to spend about 700 bucks on a valve job and guides for my GM Vortecs.
If I can get NEW heads for about the same money then I'd take that route instead.
Up to you.

Personally I got the entire install kit for about 850 from jegs. Was free shipping when I ordered..

http://www.jegs.com/i/Patriot-Perfor...151K1/10002/-1

Came with ARP bolts, head gaskets, manifold gaskets and sealant.


I wish I had time to install these but with a lot of unexpected family issues and illness I cannot even afford the push rods and exhaust gaskets right now.

but I did track down a few people who own them. Here is one conversation.

midias

I am going to get new heads I really like the looks of the patriot 185cc vortec preassembled. I am having trouble finding reviews from actual owners. I was wondering if you could tell me how you like yours?

C10 Sleeper

I had the patriot vortec heads on my last 355. I ordered them from jegs and then researched them while they were being shipped. If I would have read about them before I ordered them I probably would have avoided them from what little feedback I could find on them none was good. However the set I got were not like what people were saying about them and I was happy. I liked them enough I would buy another set or maybe even upgrade. My 355 had 11:1 compression ratio,comp cams magnum 292 cam, weiand air strike manifold with a Holley 750 dp and Doug thorley tri y headers. My 78 c10 long bed truck weighing in at about 5000 pounds was a handful. It would smoke the tires at a 55-60 MPH rolling start if I really pushed it. Hands down I don't think they can be beat for the money.
midias


Thanks for the info. I have been looking for good reviews on patriot for a while. Most of what I read was second hand and about some of the aluminum heads. I have found very little about the vortec heads so I have been contacting everybody I can find that actually owns a set.

Sorry just one more question. Did you buy them assembled and were there any problems?
C10 Sleeper

Sorry it took so long to get back to you I have been working 15 hour days. I bought them from jegs ready bolt on and go. No problems really that I can remember. If you call the tech support number they are really help full. I originally was using a vortec manifold and I highly recommend you do. Or atleast use a manifold with large runners or it will be a real pita to get sealed. I switched to a standard old style edelbrock performer intake and there wasn't any room for being off center at all. Also if you use a standard manifold you will need 4 5/16 bolts or set screws to seal the valley where the vortec bolts go. Click on my photo bucket link to see the pictures of my installation I used studs to hold my intake on. Also not that flow numbers are all to be concerned about compare them to other heads in and around the same price range you will see the edelbrock street heads or e street heads cost more are aluminum and still don't flow as well. I think these heads with a 0.500 ish lift cam and 240-250* duration @ 0.050 will make the average person scared for a while.
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Old Oct 10, 2011 | 08:44 AM
  #24  
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Re: Patriot vortec heads (Pics Inside)

few questions for ya, im plannin on one day buying the 383 4-bolt short block from blue print engines from jegs and build my own top end, these heads seem pretty good from what ive read. Are the rocker studs screw in or press in (my jegs mag doesnt specify) and did you use the angle or straight plug one? And last, if you know, would the 185cc work good with the weiand 144 blower?
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Old Nov 11, 2011 | 10:00 AM
  #25  
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Re: Patriot vortec heads (Pics Inside)

Originally Posted by bigreed91
few questions for ya, im plannin on one day buying the 383 4-bolt short block from blue print engines from jegs and build my own top end, these heads seem pretty good from what ive read. Are the rocker studs screw in or press in (my jegs mag doesnt specify) and did you use the angle or straight plug one? And last, if you know, would the 185cc work good with the weiand 144 blower?
screw in with guide plates
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Old Nov 11, 2011 | 10:02 AM
  #26  
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Re: Patriot vortec heads (Pics Inside)

Wow been a while sense I bought these but I am hoping the install will be finished tomorrow

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Old Nov 15, 2011 | 01:09 PM
  #27  
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Re: Patriot vortec heads (Pics Inside)

They are installed

https://www.thirdgen.org/forums/tech...ted-heads.html
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1
Aug 10, 2015 08:27 PM




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