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Dodge Competition and Performance General Dodge Competition and Performance Discussion |
12-28-2017, 07:39 PM
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#1
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Name: Begle1
Title: Too Much Time
Status: Not Here
Join Date: Nov 2007
Location: Kihei, Maui
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Posts: 4,143
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Pictures of 12 valve milled rocker pedestals for stud clearance
Does anybody have pictures of milled rocker pedestals?
I was under the impression that the amount of material that may need to be removed measured in the thousandths... But here I am trying to get 250 thousandths milled off and wondering if I'm doing something wrong.
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1990 D-250 Regular Cab: Automatic transmission, turkey air horn, wires.
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12-28-2017, 07:46 PM
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#2
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Name: DDually
Title: Still spooling..
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Join Date: Nov 2009
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I'm confused. Are you wondering if you need to remove .250" or if the tolerance requires you to measure it in thousandths?
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1995 Cummins with almost no matching paint, 2 dents
2001 VW TDI South bend, tune, nozzys, custom stuff that's rusting, one custom thing that's not rusting
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12-28-2017, 08:12 PM
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#3
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Name: Begle1
Title: Too Much Time
Status: Not Here
Join Date: Nov 2007
Location: Kihei, Maui
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Posts: 4,143
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I spent a lot of time looking at it today, and to install my head with my A1 studs, using the washers, with a standard-thickness head gasket and without clearancing my valve covers, I need to mill about .24 of an inch from under the head nut. And it's the nut that is hitting the covers, not the stud.
Yet somehow I see all these references of people milling .020" off. Like is that an inside joke, or are they just doing that in addition to clearancing the valve covers or what? Because for these things to fit I'm trying to get over ten times that much milled off.
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1990 D-250 Regular Cab: Automatic transmission, turkey air horn, wires.
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12-29-2017, 07:50 AM
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#4
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Name: jlbayes
Title: Too Much Time
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Join Date: Mar 2011
Location: michigan
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Posts: 2,399
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The arp 2000s require .200". Arp instructions in the link, is a blue link pdf on the page.
The Official ARP Web Site | Kits
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Jacob, 97 rclb
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12-29-2017, 08:01 AM
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#5
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Name: 4x4dually
Title: Moderator
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Join Date: Jan 2007
Location: Stillwater, OK
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Posts: 31,812
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Quote:
Originally Posted by jlbayes
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Image.
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Jory 2009 4x4 3500 MCLB
"There are people far less intelligent than you making a living doing this stuff." - Jeff Mumau
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12-29-2017, 08:19 AM
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#6
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Name: 95cummins5.9
Title: Old man ***** gossiper
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Join Date: Jun 2012
Location: U.S.A
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Posts: 4,720
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You can also pludge cut them for the washer o.d. .200 deep..
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12-29-2017, 10:21 AM
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#7
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Name: 97rada
Title: Too Much Time
Status: Not Here
Join Date: Feb 2008
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Posts: 5,410
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Pictures of 12 valve milled rocker pedestals for stud clearance
Quote:
Originally Posted by Begle1
I spent a lot of time looking at it today, and to install my head with my A1 studs, using the washers, with a standard-thickness head gasket and without clearancing my valve covers, I need to mill about .24 of an inch from under the head nut. And it's the nut that is hitting the covers, not the stud.
Yet somehow I see all these references of people milling .020" off. Like is that an inside joke, or are they just doing that in addition to clearancing the valve covers or what? Because for these things to fit I'm trying to get over ten times that much milled off.
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The stud even when bottom tapped will hit the valve cover. Regardless of nut. The valve covers have to be clearanced. I have never seen a set of A1 studs that don't do exactly this
__________________
Austin
tow truck- 14-3500 with tuning
toy truck -94 rclb auto- 5.2x with a lot left. Shooting for 4s
Any intelligent fool can make things bigger and more complex...it takes a touch of genius- and alot of courage to move in the opposite direction.
Last edited by 97rada; 12-29-2017 at 10:23 AM.
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