Difference between 18mm and 20mm headgasket??? - Ford Powerstroke Diesel Forum
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  #1  
Old 11-16-2010, 06:05 PM
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Difference between 18mm and 20mm headgasket???

Guys.. looking into buying the "6.0 solution kit" but can someone help me decide the difference between the 18mm and the 20mm head gasket? i don't know anything about the size things... help is appreciated! can someone explain the pro/cons to each? if able..

Current mods are:
4inch downpipe-kitty killed-5 inch back
S&B CAI
getting SCT tuner with egr delete.. holding off till get the 6.0 solution
dieselsite coolant filter
amsoil oil bypass filter


Ambitions are eventually bigger injectors and powermax/aurora 4000?
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Old 11-16-2010, 06:18 PM
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2003-2005 trucks use 18mm dowels

2006 Job1 (trucks built on or before 01/11/2006) use 18mm dowels

2006 Job2 ( trucks built after January 12th) use 20mm dowels

2007 trucks use 20mm dowels
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Old 11-16-2010, 06:25 PM
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Not sure if I would follow that honestly had one that was a Job 2 and it turned out to be 18mm. We have noticed that ones that have a solid Turbo Feed turbo tend to have 20mm dowels, The turbo feeds that have the mesh have all been 18mm.
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Old 11-16-2010, 06:30 PM
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forgot to say..that was off of fcdp website..causeeee i have no idea lol
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Old 11-17-2010, 01:45 AM
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Rescue, was that the case with my truck??
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Old 11-17-2010, 07:25 PM
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When I orded my MKM Customs complete kit, they had me look at the engine build date not the truck build....my June 06 build has 20mm.
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Old 01-02-2011, 06:28 AM
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Where can I find the engine build date?
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Old 01-02-2011, 06:46 AM
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Quote:
Originally Posted by Hivolts View Post
Where can I find the engine build date?
I forget exactly, but it's on the firewall somewhere on a white sticker. Maybe drivers side...

What is the build date of your truck?
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Old 01-02-2011, 07:08 AM
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it should be between the driver door and passenger door near the bottom of the door on that pillar thing (where the 2 doors meet) it should say the month and year it was built. Mine was built 06/06 i think but its an 07, so yours could be the same case, or not.
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  #10  
Old 01-02-2011, 08:06 AM
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the injector hold down bolts won't lie to you. if they are T40 you have 18mm dowels, T45 has 20mm
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