65 352 exhaust manifolds
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New User
Joined: Sep 2006
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From: Green Cove Springs, FL
65 352 exhaust manifolds
I need to remove the exhaust manifolds to change the gaskets. Im having trouble removing them. I have soaked with pb blaster and also heated up the manifold with no luck. I have broke one already and dont feel like breaking more. any ideas to getting them off. Thanks...
Logistics Pro
Joined: Oct 2005
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From: Mddl A MexCans
Keep breaking them and deal with it. The top ones almost always break as the heat has gotten to them and they stretch when moved at all. Right angle drill might be the only solution to the issue, unless you get lucky and have something to grab with a pipe wrench. I used longer grade 8 bolts when replacing so the end passes the top of the ear. Keeps moister out. If it will help in the long run is yet to be seen.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
The only way that I know is to heat them cherry red and start by rocking them between tight and loosen, gradually moving it more and more, and sometimes they still break.
No good answer.
John
No good answer.
John
Freshman User
Joined: Jan 2006
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From: Greenwich, NY
Let the truck run for a half hour or so, let everything warm up and keep soaking with PB blaster. There is also some penitrating oil called PDQ which works well. Take your time, time spent heating and soaking will be less drilling!!!
Cargo Master
Joined: Jul 2006
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From: Concord, CA
Once you get them off, as mine seemed to easily fall off, don't put them back on with a gasket. Ford FE engines came from the factory without gaskets. Simply make sure the seating area on the exhaust manifolds are planed smooth and level. Some maybe pitted which will mean another manifold. That is what I did with mine then put them on with a little copper silicon sealer. Mine have been fine ever since without any exhaust leaks compared to when gaskets were used.
Logistics Pro
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From: Mddl A MexCans
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Originally Posted by tbm3fan
Once you get them off, as mine seemed to easily fall off, don't put them back on with a gasket. Ford FE engines came from the factory without gaskets.
John
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Logistics Pro
Joined: Oct 2005
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From: Mddl A MexCans
Originally the manifold and head had only graphite grease between them as a sealer (no gasket) this requires fresh machined surfaces on both. Or for the engine to have sat in the garage for 37 years LOL....
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From: Green Cove Springs, FL
Thanks for the help. I might just have to take them out and the ones that break drill out. I plan on replacing all the bolts. There are no gaskets on them know and I thought that was why they were leeking. The out sides are pitted and rusted. I might have to replace the manifolds or by headers. does anyone know of a good header thats not to expensive...
Posting Guru
Joined: Jan 2002
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From: Elizabethtown, PA
When it comes to headers, good and cheap are pretty much mutually exclusive.
Most guys who have tried headers on the FE wind up hating them. When I sold headers (admittedly, long ago) the only brands I could reliably recommend were Hooker and Hedman.
Most guys who have tried headers on the FE wind up hating them. When I sold headers (admittedly, long ago) the only brands I could reliably recommend were Hooker and Hedman.
Cargo Master
Joined: Jul 2006
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From: Concord, CA
Originally Posted by jowilker
Say What??? Was this on 77 and later engines??
John
John
Postmaster
Joined: Mar 2004
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From: seattle
What I did was, like has been mentioned before...heat engine up and soak the heck out of them...PB blaster and nearly every thing else...did that quite a bit over the course of a couple weeks...then I took it to the shop and had them do it...no broken bolts and no broken ears...
My logic in it was if they broke while they were working on it...its their nickel to replace parts...i.e. heads if an ear broke...
No gaskets were used as was said above originally....
CS65
My logic in it was if they broke while they were working on it...its their nickel to replace parts...i.e. heads if an ear broke...
No gaskets were used as was said above originally....
CS65
Elder User
Joined: May 2005
Posts: 581
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From: Montana
another suggestion is if you can reach it with a hammer hit the bolt head a good lick. it breaks the rust bond in the threads. if the engine is in the pickup most of them will not be accesible to do this. learned that from an old mechanic and have done it numorous times and it works abot 80% of the time. also i would recomend using high performance gaskets as they are a little thicker and may save you have to have the manifold shaved. also use a antisieze thread lubricant going back together. makes future work on it much easier.