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Re: factory crossram intake bolts torque specs
[Re: DoubleD]
#1649721
07/22/14 07:30 PM
07/22/14 07:30 PM
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Joined: May 2004
Posts: 63
Wisconsin
1964maxwedge
OP
member
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OP
member
Joined: May 2004
Posts: 63
Wisconsin
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So how do I know what thickness of intake gaskets to order and are super performance gaskets stackable? I changed the valley bolts to a flat style and there is no interference.
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Last edited by 1964maxwedge; 07/22/14 07:56 PM.
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Re: factory crossram intake bolts torque specs
[Re: 1964maxwedge]
#1649722
07/22/14 09:16 PM
07/22/14 09:16 PM
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Joined: Jan 2003
Posts: 2,296
NE Ohio
DoubleD
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,296
NE Ohio
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I know the Indy gaskets come in .060 and .030 and yes you can stack them - looks like super performance also comes in .031
Last edited by DoubleD; 07/22/14 09:19 PM.
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Re: factory crossram intake bolts torque specs
[Re: 1964maxwedge]
#1649723
07/22/14 10:11 PM
07/22/14 10:11 PM
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Joined: May 2011
Posts: 4,489
northern,Ohio,USA
Clanton
master
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master
Joined: May 2011
Posts: 4,489
northern,Ohio,USA
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Quote:
So how do I know what thickness of intake gaskets to order and are super performance gaskets stackable? I changed the valley bolts to a flat style and there is no interference.
.
I use feeler gauges in each corner of the intake. 
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Re: factory crossram intake bolts torque specs
[Re: 1964maxwedge]
#1649724
07/22/14 11:18 PM
07/22/14 11:18 PM
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Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
roadhazard
master
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master
Joined: Apr 2006
Posts: 3,675
Akron, Ohio U.S.A.
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Quote:
So how do I know what thickness of intake gaskets to order and are super performance gaskets stackable? I changed the valley bolts to a flat style and there is no interference.
.
Thickness will depend on how the intake ports line up top and bottom. If you have some gasket material there you can measure it with some dial calipers to confirm thickness's and use it as a shim to check port alignment. Common thicknesses are .015", .031" and .062"
Or as stated if you have lots of feeler gauges you can put those in all four corners.
If you should happen to require more than .062" thick gaskets, yes, you can bond multiple gaskets together for your requirements.
Bonding gaskets together, we recommend 3M Super 90 spray adhesive. Follow directions on the can but in short spray one side of each gasket to be bonded, let set for about 3 minutes. Then carefully start at one end making sure they are lined up and work your way across the gasket pressing them together. You may want to use some sort of dowel to keep the gaskets separated until your ready to work that area, then remove dowels one at a time.
Be careful and work slow as this stuff bonds ON CONTACT and once stuck there is no turning back!
Once gaskets are together use some pipe (rolling pin) and roll over the gasket to complete the bond.
Published torque figures for the big block wedge is 40 lb ft.
Any other questions just ask or give us a call 
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