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351W manifold job, any pointers?

 
  #1  
Old 02-28-2011, 05:02 PM
fordboy5894
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351W manifold job, any pointers?

hi i have a 94 F350 with the 351W, and i have to do the left side manifold. i know these are a pain in the *** to do, and i was wondering if anyone had any tips on what to do so i dont break anything.

please get back to me thanks!
 
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Old 02-28-2011, 05:03 PM
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soak them in pb blaster and try taking them out when its hot like after a long drive..
 
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Old 02-28-2011, 05:06 PM
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would using a torch be a good idea?
 
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Old 02-28-2011, 05:12 PM
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you can heat them up if u have enough room. i wouldnt just cause it is so tight in there, but thats on my f150.. not sure how much room the 1 tons have
 
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Old 02-28-2011, 05:24 PM
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Lots of PB blaster. Sprayed mine twice a day in between drives for 2 weeks. I only had one break.
 
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Old 02-28-2011, 06:13 PM
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now when you do, do you spray betwwn the block and the manifold, or the head of the bolt?
 
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Old 03-01-2011, 06:22 PM
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While PB Blaster is good stuff, Kroil is 25X better, especially on this kind of job. Spray it on a week before you start, every day, drive it and on the last day, they'll come out without any fear of breakage. If they DO break, they can be a royal PIA to extract. Don't merely soak them the night before-you WILL end up breaking some/all of them. Trust me, do the soaking every day, over a week and you'll be fine. BTW, this stuff works wonders on stuck spark plugs, which can be even worse than manifold bolts!
Roger
 
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Old 03-01-2011, 07:58 PM
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Originally Posted by Roger T. Pipe View Post
While PB Blaster is good stuff, Kroil is 25X better, especially on this kind of job. Spray it on a week before you start, every day, drive it and on the last day, they'll come out without any fear of breakage. If they DO break, they can be a royal PIA to extract. Don't merely soak them the night before-you WILL end up breaking some/all of them. Trust me, do the soaking every day, over a week and you'll be fine. BTW, this stuff works wonders on stuck spark plugs, which can be even worse than manifold bolts!
Roger

where can i buy this stuff?
 
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Old 03-01-2011, 08:34 PM
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Remove the tire and inner fender to get good access. Use an air chisel with a blunt end and hit them straight on. I got 13 of them out by hand after doing so the other three snapped I drilled and tapped one and left one snapped off and left my tap snapped off in the second (this was last fall) no leaks. i had to make this wrench to get to the bolts near the firewall after I put my headers on

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Old 03-02-2011, 09:33 AM
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I sprayed PB Blaster for about a week before and went and did a few errands on the day I did the job so everything was good and hot. It kinda sucks to work on a motor when its hot but I don't have a torch and I didn't break any of the bolts. Just take your time, and clean up the threads with a tap before you reinstall the manifolds.
 
  #11  
Old 03-02-2011, 10:07 AM
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Originally Posted by fordboy5894 View Post
where can i buy this stuff?
Amazon has it...aerosol works best.
Roger
 

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