05 Rocker carriers on 2007 heads?? - Ford Powerstroke Diesel Forum
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Old 08-28-2013, 11:39 AM
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05 Rocker carriers on 2007 heads??

2005 6.0, long story short im putting together a new short block assembly and I ended up having to get two new reman heads from Ford.. Went to install the rocker carriers and theres no mounting holes for them on the heads i got. only two holes line up but they are bigger and the lower 4 bolts on the rocker carrier has nothing to bolt to.. ive done some research and found late 06 they changed the heads.. my question is can i adapt the carriers i have to work on these heads or do we need to get new carriers?

it looks like all i need to do is adapt the dowels and get bigger bolts for the two mounting holes? I can see why they no longer need all 8 bolts simply because the head studs provide all the clamping force needed.. but i was hoping to find someone who has come across this before! thanks
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Old 08-28-2013, 01:42 PM
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Yea you just use the 2 upper bolts for the rocker carrier. The studs will clamp the rest of it down. Ran into that here at the dealership bout 2 weeks ago.
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Old 08-29-2013, 09:22 AM
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did a bunch of re-search and found the new heads we got were "commonized" off an 06 or later build date. they also changed the clearances for the rockers and moved the injector hold down holes in the head itself and it requires new injector hold downs with a new torque spec. i tried to install the holddowns and they rubbed the valve springs just slightly.

as far as just adapting the old style rocker carriers over the two holes in the head are m13s and an m13 bolt wont fit through the carrier itself.. on top of that there are dowels that keep the carrier aligned with the head and there is no way to use these if modifying the carrier. After brand new everything im not about to cobble somthing up to make it work so were are swapping out the heads with the correct ones and calling it good.

Thanks
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Old 08-29-2013, 05:53 PM
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you don't need any bolts holding the rocker carrier to the cylinder head. The head bolts will be enough.
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Old 09-20-2013, 06:07 PM
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We ended up swapping out the heads with ford for the correct ones but even they didnt have all 8 mounting holes in the head, but did use the upper outside mounting points with the correct dowels, I was ok with this as the dowels insured the carriers was aligned properly and it used two of the existing 8 bolts to secure it.

The commonized heads would NOT work correctly IMO.the injector hold downs rubbed the valve springs and drilling the carriers to fit is insane!
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