Black onxy headgaskets, or OEM? Which is better? - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 20 Old 12-26-2010, 06:42 AM Thread Starter
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Black onxy headgaskets, or OEM? Which is better?

Well, my 04 6.0 decided it wanted to blow a headgasket, even with the ARP studs (I did the studs 2 years ago, but did not change gaskets because there was nothing wrong with the truck at th time, long story short, half assed it trying to be cheap.)

Now I'm doing it right, the truck is getting tore down next week in a buddys garage (ford diesel tech) and we will be doing new headgaskets, NEW set of arp's, since the ones I had in the truck I bought used, full EGR delete, new oil cooler, new clutch fan, sending the heads to the machine shop to be checked and rebuilt, and ceramic coating the exhaust manifolds (suppose to keep temps down, it did on my race car.)

Now, I need to know which headgaskets everyone is using, stock or black onyx, and which is better, I'm not worried about the price difference between them, just need to know which is better.


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Truck- 15 F-250 CC SBPlatinum 4x4 6.7 powerstroke. 2.5" Pro Comp leveling kit, 35" Toyo M/T, No Limit stg2 intake, No Limit EGR delete, FlowPRO 5" full exhaust w/6" tip, SCT x4 w/gearhead tunes, Edge CTS2, No Limit upgraded intercooler piping.

Toy - 15 Robalo 226 Cayman bay boat "Shallow Minded". 200hp Yamaha 4 stroke with command link/fly by wire, atlas jack plate, power pole, minn kota #80 ipilot, simrad nss7 evo2 with structure scan.
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post #2 of 20 Old 12-26-2010, 07:25 AM
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i say go with the Black onyx, most people seem to make the switch when its time to do this. But i do know alot using OEM with no issues
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post #3 of 20 Old 12-26-2010, 08:02 AM
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It's a toss up but since it's your dime I'd go with the Black Onyx. Either will work fine though. There are some pretty high power trucks running OEM gaskets.

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post #4 of 20 Old 12-26-2010, 08:20 AM
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Go with the black onyx

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2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake

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post #5 of 20 Old 12-26-2010, 08:44 AM
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black onyx, its preferred over OEM

06 F-350
4" turbo back silverline exhaust
KMC XD series spy wheels
35" toyo m/ts, 5% window tints
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edge cts insight
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SCT X3 with custom tunes by vivian at QT
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post #6 of 20 Old 12-26-2010, 08:59 AM
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save your money, oems will perform just fine.

Thanks,
Adam

2006 F-250 6.0L CCSB Lariat 4x4, ARP studs, SCT tunes by innovative diesel, Silverline 4" turbo back exhaust no cat no muffler! Upfitter switches w/high idle mod, Edge Insight monitor w/EGT probe, autometer fuel psi gauge, Zoodad mod with billet plate. Ford Updated fuel psi spring and banjos, RCD egr delete, Ford updated oil cooler and stc fitting, dieselsite cac boots and coolant filter.

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post #7 of 20 Old 12-26-2010, 09:38 AM
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Quote:
Originally Posted by hazard View Post
save your money, oems will perform just fine.
Black onyx are cheaper than OEM if you know where to get them

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2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake

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post #8 of 20 Old 12-26-2010, 09:40 AM Thread Starter
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Seems to be about the same feedback I have been hearing locally. about 50/50 say black onyx or oem. I've always used aftermarket headgaskets on my race cars, but that was just because absurd amounts of nitrous went through them.

I guess I will go OEM since my mother in law works for ford, and can get me everything at a discount, even the studs shipped to my door at $445. I mean if there was a huge difference I could see spending the money, but it's almost like you're paying for a name.


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Truck- 15 F-250 CC SBPlatinum 4x4 6.7 powerstroke. 2.5" Pro Comp leveling kit, 35" Toyo M/T, No Limit stg2 intake, No Limit EGR delete, FlowPRO 5" full exhaust w/6" tip, SCT x4 w/gearhead tunes, Edge CTS2, No Limit upgraded intercooler piping.

Toy - 15 Robalo 226 Cayman bay boat "Shallow Minded". 200hp Yamaha 4 stroke with command link/fly by wire, atlas jack plate, power pole, minn kota #80 ipilot, simrad nss7 evo2 with structure scan.
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post #9 of 20 Old 12-26-2010, 09:45 AM
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Can she get you OEMs for less than 52 bucks?

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2011 F150 Ecoboost Crew cab lariat. Custom tunes from KEM and 5Star, and Unleashed
2012 F150 Crew Cab Ecoboost stock for now-Totaled March 12 2015
2006 F250 ECSB Lariat 4x4

Leveling kit, 315/70/17 Kelly TSRs on Method race wheels
ARP studs and OEM gaskets done by Renegade Diesel
ECM and Atlas 40 FICM tuned by Bill at PHP SCT tunes by Truck Source Diesel. Gearhead, Innovative, Wildman and Tyrant diesel
Flowmaster/MBRP Hybrid Exhaust
Edge Insight CTS
Coolant filter
Bulletproof diesel FICM EGR Delete, Oil Cooler and Water Pump, and Light bar.
Dually LED lights from Stealth Automotive/Xpedition Outfitters
No Limit Fab 6.0 Cold Air Intake

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post #10 of 20 Old 12-26-2010, 10:02 AM Thread Starter
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Quote:
Originally Posted by Dave View Post
Can she get you OEMs for less than 52 bucks?
She is getting me prices on everything monday when she goes to work.

My thing is, I want to buy everything at once, from the same place. studs, egr delete, gaskets (headgaskets, intake, and exhaust manifolds, all o-rings, etc.), oil cooler, and all.

Cobbs diesel has a kit shipped to the door for $1350 that has a full sinister egr delete with up pipe, all black onyx gaskets (head, intake, exhaust, all o-rings, etc.), new OE oil cooler, and all. doesn't seem too bad to me since me and a tech I know will be doing this off the books.


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Truck- 15 F-250 CC SBPlatinum 4x4 6.7 powerstroke. 2.5" Pro Comp leveling kit, 35" Toyo M/T, No Limit stg2 intake, No Limit EGR delete, FlowPRO 5" full exhaust w/6" tip, SCT x4 w/gearhead tunes, Edge CTS2, No Limit upgraded intercooler piping.

Toy - 15 Robalo 226 Cayman bay boat "Shallow Minded". 200hp Yamaha 4 stroke with command link/fly by wire, atlas jack plate, power pole, minn kota #80 ipilot, simrad nss7 evo2 with structure scan.
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