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By 56 ford custom - 14 Years Ago
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Well the valley pan was a pain in my *** Now im installing the intake. Im using felpro gaskets. Do I need to use any sealer or anything besides the gasket? Also what are the lengths on the intake bolts?
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By easyissy - 14 Years Ago
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I used RTV sealant around where the coolant flows. I also used a product called Aviation Sealant around the intake ports. Gas eats up RTV so don't use it around the intake ports.
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By 56 ford custom - 14 Years Ago
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Oh ok cool. Where did you get the aviation sealent?
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By GREENBIRD56 - 14 Years Ago
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Watch out for those intake bolts - if too long, they will get into the pushrods if you don't pay attention - on the back two especially.
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By 56 ford custom - 14 Years Ago
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Does anyone know the size,length,type of bolt or even what grade I need?
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By easyissy - 14 Years Ago
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You can get the Aviation Sealant at any Auto Zone, Kragen, etc. Here's what it looks like: 
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By 56 ford custom - 14 Years Ago
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Ok cool I will have to grab some of that stuff. Now all I am waiting on is the bolt info
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By PWH42 - 14 Years Ago
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I can't tell you the length of the bolts without taking some out and measuring them,but they are all 3/8 coarse thread.The 4 studs for the exhaust crossover are coarse thread into the head and fine thread on top.
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By 56 ford custom - 14 Years Ago
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PWH42 (10/4/2011)
I can't tell you the length of the bolts without taking some out and measuring them,but they are all 3/8 coarse thread.The 4 studs for the exhaust crossover are coarse thread into the head and fine thread on top.
So the middle 4 studs cant be bolts?
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By aussiebill - 14 Years Ago
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56 ford custom (10/4/2011)
PWH42 (10/4/2011)
I can't tell you the length of the bolts without taking some out and measuring them,but they are all 3/8 coarse thread.The 4 studs for the exhaust crossover are coarse thread into the head and fine thread on top.So the middle 4 studs cant be bolts? Why not?
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By PWH42 - 14 Years Ago
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There's no reason they can't be bolts.I guess I've just never seen it done that way.
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By PWH42 - 14 Years Ago
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There's no reason they can't be bolts.I guess I've just never seen it done that way.
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By Hoosier Hurricane - 14 Years Ago
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Ive been using bolts for years. The studs may have been used to align the gaskets so the factory could install the intakes faster.
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By 46yblock - 14 Years Ago
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I have been using a light coat of white grease on both sides of the gasket. It works well with no vacuum or coolant leaks. Gaskets can be reused if intake is removed, and no old sealant is present to be cleaned.
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By 56 ford custom - 14 Years Ago
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I think I will try to reuse some old studs I have
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By Talkwrench - 14 Years Ago
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Before you put the intake on , just check you havent twisted the valley pan getting it on, You said it was a PITA to get on. If thats the case you can twist it and with only the two bolts holding it down..well you get the picture.. Get a straight edge and go over everything, valley pan flat, manifold edges straight etc.. You can use the Permatex all the way along the manifold but not the heat bypass area , use the red RTV stuff. Thats what I do, but can be hard to remove later... Use a bit of RTV on the valley pan gasket if you want, dont tighten it too much.
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By 56 ford custom - 14 Years Ago
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Ok well I was told not to use anything on the intake gaskets. I dont know.....I also bought some intake gaskets. The ones with the metal flange were the ones that were recomended to me but the diameter of the hole look pretty small? Sorry for the huge pi 
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By Talkwrench - 14 Years Ago
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Yep those ones would be from "Best gaskets" if you are not in a cold climate use those. If you are sure the surfaces are flat and clean you dont have to use anything , its only a further insurance.
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By 56 ford custom - 14 Years Ago
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But look at the ports
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