Intake woes!!!
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Joined: May 2011
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Intake woes!!!
Recently, I rebuilt my 390 fe. All went well until fire it up time came. Fired right up, but it smoked like crazy. I went through it again. Long story short, I'm 99% sure it's because after I had the machine work done, I did'nt take in to account the difference of angles between the new surfaces and the intake manifold. I also did'nt remove the splash pan in the valley of the block. So....am I on track here? I'm using an Edelbrock aluminum intake...Will I have to get a different one? Appreciate the input...
Fleet Mechanic
Joined: Feb 2010
Posts: 1,742
Likes: 5
From: Near St. Joseph,MO
Does it keep smoking? Maybe you just had some oil in the cylinders or intake that needed to burn off after the rebuild. I wouldn't think the small amount taken off would make the intake gaskets fit any different, they should be thick enough to take up that space.
Hotshot
Joined: Apr 2009
Posts: 14,333
Likes: 247
From: Stanley, VA
I had a similar problem years ago on a 428 I rebuilt. It had the wrong intake manifold gaskets. The gasket ports were short. They sealed around the top and sides of the port but along the bottom of the port there was a small gap between the gasket and port, this allowed it to suck oil in from the valley area.
Post Fiend
Joined: Apr 2008
Posts: 8,261
Likes: 15
From: Big Sky Country
Are all the plugs oily or just a few?
Use the drain tins under the rocker stands?
Have a functioning PCV system?
Any chance it is over filled with oil?
Install restrictors in the heads?
Retorqued the intake bolts?
What intake gaskets did you use?
Use the drain tins under the rocker stands?
Have a functioning PCV system?
Any chance it is over filled with oil?
Install restrictors in the heads?
Retorqued the intake bolts?
What intake gaskets did you use?
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boggerted
1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks
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Aug 6, 2008 10:53 PM
