Intake gasket
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New User
Joined: Aug 2004
Posts: 14
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From: IL.
Intake gasket
Need a little help, I have a 1978 f-150 with a 400m replaced the intake gasket after tightening the bolts I noticed the front and rear seal shifted out of place it has the valley type gasket, is there any trick to keeping them in place while putting the intake back on, I will have to do it all over again, I guess I'll have to get a new pan gasket for it also?
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Joined: Feb 2002
Posts: 2,404
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From: Cleveland, WI USA
Take a look in the 335 series engine forum for a post titled "79 351m gasket set & valley pan". I just went through this with mine and got several responses. Most of which said to ditch the rubber seals and just use RTV.
Good luck.
Kevin K.
Good luck.
Kevin K.
New User
Joined: Jan 2008
Posts: 0
Likes: 24
Welcome to the site 
Basically this is an ENGINE related question.
FTE has ENGINE related forums fo these type of questions.
Also Note: Specifics
There isn't an M after 400.
The M goes after the 351 as in 351M.
The engine series is 351M/400
Basically this is an ENGINE related question.
FTE has ENGINE related forums fo these type of questions.
Also Note: Specifics
There isn't an M after 400.
The M goes after the 351 as in 351M.
The engine series is 351M/400
