Are Dowels needed when studding? - Ford Powerstroke Diesel Forum
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Old 08-04-2014, 03:17 PM
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Are Dowels needed when studding?

I have a 18mm block and a 20 mm head (I know I have to swap stuff and I am ok with that). My question is do you really need the dowels when the studs keep the gasket in place? Has anyone tried this?
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Old 08-04-2014, 03:19 PM
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my oem gasket set came with a set of dowels that were 18 on one side and 20 on the other, I was confused to this at first but now I see why they did it
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Old 08-04-2014, 03:29 PM
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Funny to me how the step downs are $25+ each but in the Kit. A bit greedy of Ford. Ford must really hate 6.0 owners.
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Old 08-04-2014, 03:53 PM
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damn if I didn't throw them away last week I would have put them in the mail for you, sorry man
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Old 08-04-2014, 04:03 PM
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The studs do NOT keep the gasket located, theres too much wiggle room. Yes you need the dowels. Are you not using oem gaskets?
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Old 08-05-2014, 01:09 PM
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just did my HG and have 2 set of 18/20 mm dowels, you can have them.
i hope you are not in a hurry cause i have to ship them from Amsterdam-NL
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Old 08-05-2014, 05:11 PM
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Thanks for your offer...but I think I want to get my truck up this weekend....maybe the next time I am in town I will stop by.

I am have a set of the black diamond gaskets.

I almost bought another set...until the dealer here in Mandan North Dakota quoted me $100 over list.

Has anyone ever tried this. I can not get the gasket to budge.

I believe these are more for assembly line vs a stud job!
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Old 08-05-2014, 05:27 PM
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Good luck redoing the job if you don't use the centering dowels. The bolts DO NOT center the gasket into the proper location.


Sent from AutoGuide.com Free App
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Old 08-05-2014, 06:14 PM
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Not mention the heads.....this is an area where thousandths of an inch matter.
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Old 08-06-2014, 10:44 AM
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What all of these guys SAID!!!!

There was a guy on here not to long ago that did this and all the valves touched on the passenger side head. I was the only one in that thread saying it was a bad Idea. He came back on and put all the blame on the machine shop for decking the heads too much even after I pointed out that he used 18mm dowels on 20mm heads. USE THE RIGHT DOWELS....or if you don't, then you deserve what you get in the end. They aren't there to help you hold the head in place. They are there to locate EVERYTHING PROPERLY!!!
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