ford modified head studs - Ford Powerstroke Diesel Forum

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post #1 of 10 Old 11-12-2008, 05:51 PM Thread Starter
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ford modified head studs

Previous owner of my rig said that the headbolts were done by ford under warranty. And were replaced by the modified longer head bolts (by ford). Not the APR studs. And that they haven't had any issues with the new style bolts. Anyone here about these before?

2005 F350 HARLEY DAVIDSON, twin 4 inch pipes, Afe intake, bullydog powerpup with outlook, 2 JL 10 inch subs, pioneer touchscrene
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post #2 of 10 Old 11-12-2008, 05:53 PM
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They always still use the same headbolts, they just have a new torque rating that they torque em to

08 ECSB 6.4
MPD, GOGO, No Limit, Rudys, ARP, PMF, Innovative, AFE, Recon, Fuel, Nitto, Bilstein
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post #3 of 10 Old 11-12-2008, 06:02 PM Thread Starter
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Do they have a different head gasket he alsos said that they used a thicker head gasket. Do I have to really worry about driving it with the bullydog without having the apr studs.

2005 F350 HARLEY DAVIDSON, twin 4 inch pipes, Afe intake, bullydog powerpup with outlook, 2 JL 10 inch subs, pioneer touchscrene
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post #4 of 10 Old 11-12-2008, 06:04 PM
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Still got warranty left, right? Let it eat!

2004 F-250, ZF-6, 03 turbo 4" mbrp exh. PHP reprogrammed FICM, sct X3, egr delete, auto meter ultra lite boost & pyro, arp head studs, firestone destination m/t's. ccv mod, mag hytec diff covers, 35% tint, dieselsite coolant filter, cat elc, B&W gooseneck hitch.
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post #5 of 10 Old 11-12-2008, 06:06 PM Thread Starter
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Hahah yeah still got warranty. The last owner said that he got all the work done under warranty even with the chip and what not. So if it happens again I'll just take it to that same dealer

2005 F350 HARLEY DAVIDSON, twin 4 inch pipes, Afe intake, bullydog powerpup with outlook, 2 JL 10 inch subs, pioneer touchscrene
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post #6 of 10 Old 11-12-2008, 06:16 PM
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Did the last guy blow the head gaskets or did he have a connection with the dealer tech? Been scheming on a way to get mine studded.

2004 F-250, ZF-6, 03 turbo 4" mbrp exh. PHP reprogrammed FICM, sct X3, egr delete, auto meter ultra lite boost & pyro, arp head studs, firestone destination m/t's. ccv mod, mag hytec diff covers, 35% tint, dieselsite coolant filter, cat elc, B&W gooseneck hitch.
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post #7 of 10 Old 11-12-2008, 06:24 PM
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You can look at the head on the driver side by the valve cover. You can see the bolts on the bottom side. If it has a 6 point head it is just tty bolts. The studs are a bolt with a 12 point nut.

Also Ford hasn't upgraded the bolts. They changed the torque sequence.

Have you thought about selling the Bully dog and going with a SCT?

Robert
09 F350 6.4 srw cc lwb 4x4
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post #8 of 10 Old 11-12-2008, 06:25 PM
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What exactly are head studs? There's alot of posts on here about them...something important I'm guessing?
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post #9 of 10 Old 11-12-2008, 06:42 PM
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Arp head studs replae the factory torque to yeild bolts. The factory bolts are designed to streach while installing. If your turbo overboosts it can streach the bolts. The studs are alot stronger. They use a stud screwed into the block with nuts to hold the heads down. Most people that install studs do not ever have another problem. I bought mine off of eby for $397 shipped.

If you have a dealer that will install them under warranty you will be a lot better off. some dealers will only install the factory bolts.

Robert
09 F350 6.4 srw cc lwb 4x4
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post #10 of 10 Old 11-12-2008, 07:26 PM Thread Starter
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ya going from bullydog to sct as soon as possible

2005 F350 HARLEY DAVIDSON, twin 4 inch pipes, Afe intake, bullydog powerpup with outlook, 2 JL 10 inch subs, pioneer touchscrene
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