intake manifold
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Junior User
Joined: Nov 2005
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intake manifold
I have a 1979 F250.Iput a new rebuilt engine from jasper in it 1.5 yrs ago.
My intake has blowen the intake gasket for the 3rd time.Its the rubber gaskets at the ends.just on one end and one side.I kind of think the guys that helped didn't get things quite right.
Anyway is there any tricks to making sure these gaskets seal?
My intake has blowen the intake gasket for the 3rd time.Its the rubber gaskets at the ends.just on one end and one side.I kind of think the guys that helped didn't get things quite right.
Anyway is there any tricks to making sure these gaskets seal?
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Basic engine build question
There are Engine forums for questions like this.
I6 for the 300
V-90* for 302
335 -351M/400
385-460
Engine Re-building forum.
JSYK,
Mis-posted threads get moved anyway. so they are best made in the proper forum from the start.
There are Engine forums for questions like this.
I6 for the 300
V-90* for 302
335 -351M/400
385-460
Engine Re-building forum.
JSYK,
Mis-posted threads get moved anyway. so they are best made in the proper forum from the start.
Posting Guru
Joined: Nov 2005
Posts: 1,302
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From: Madison, SD
On the rare occasions that I use the end gaskets, silicone works sooooo good, I hold them in place with some Permatex Hi Tack. Wipe the block surface down with lacquer thinner, spread a thin coat of it on, and press the gaskets into place and let them dry. I still use a small bead of silicone in all 4 corners before putting the intake in place. On Windsor engines, with their straight up bolts it's easy to keep the gaskets from shifting, just put studs in the 4 corner holes and set the intake in place. If it goes down on the studs, no way you can slide the gasket out of place. If you do use just silicone on the ends, don't make it such a huge glob that eventually a piece of it can get down and plug an oil return hole in the lifter galley.....
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Junior User
Joined: Nov 2005
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intake manifold
I was told this is where I should put this topic.
I have a 1979 F250.I put a new rebuilt 400 engine in 1.5 yrs ago.
This is the 3rd time my rubber gasket has blowen out on the intake.
Its the rubber gasket at the end.just one end and one side.
I've got oil laying in the valley where the oil sendinding unit is.And its not the sending unit.I can see the one gasket hanging half way out.
Any tricks I should know to keep these in place?
Getting frustrated.Truck was running great now runs like crap
I have a 1979 F250.I put a new rebuilt 400 engine in 1.5 yrs ago.
This is the 3rd time my rubber gasket has blowen out on the intake.
Its the rubber gasket at the end.just one end and one side.
I've got oil laying in the valley where the oil sendinding unit is.And its not the sending unit.I can see the one gasket hanging half way out.
Any tricks I should know to keep these in place?
Getting frustrated.Truck was running great now runs like crap
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Threads merged.
From the Read First: FAQ thread in the 73-9 forum:
--------------------------
Please post all of the information about your truck!
We assume the make is Ford
-Year
-Model
-2wd/4wd
-Engine
-Transmission
-At least the basics please!
And any other information you think might help, -we are not mind readers.
From the Read First: FAQ thread in the 73-9 forum:
--------------------------
Please post all of the information about your truck!
We assume the make is Ford
-Year
-Model
-2wd/4wd
-Engine
-Transmission
-At least the basics please!
And any other information you think might help, -we are not mind readers.
Posting Guru
Joined: Dec 2002
Posts: 2,003
Likes: 2
From: chicago burbs
Originally Posted by cooky
Anyway is there any tricks to making sure these gaskets seal?
as mentioned earlier, just use silicone. everything needs to be oil free for the sillycone to stick, i would count on trying to fill the gap with the intake still on to work well. i've never had a leak since the cat took over the rubber gaskets, he likes the cork ones too.
Elder User
Joined: Aug 2003
Posts: 621
Likes: 0
From: near pittsburgh pa
With the engine running bad, Make sure the PVC system is working and your not building lots of pressure in the engine. With engine running, pull the oil cap off an see,feel if there is a lot of blow-by. May want to take a compression check and check your spark plugs.
Good luck, if all checks out,,what they said on sealing intake ends works well! Keep us posted.
Good luck, if all checks out,,what they said on sealing intake ends works well! Keep us posted.
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