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post #1 of (permalink) Old 11-07-1999, 04:57 PM
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Help needed removing intake manifold bolts


I started removing my old intake today to put on a new one, but some of my intake bolts are stripping. One is stripped kinda bad, and the other 3 or 4 I think I have to remove the carb for and try w/ a 6pt socket after (insert solution here )... The engine I have a 1978 304. Is it safe enough to try and take a torch to the bolts? Can I drill through them.... Do the bolt holes have a solid bottom, or is there a hole down there that goes through to something else that shaving can get into? Any other ideas on how to get them off? Thanx a lot.


Soon to be 1985 CJ-7, 304, T-18A, D300
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post #2 of (permalink) Old 11-07-1999, 09:10 PM
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Re: Help needed removing intake manifold bolts

[img]/wwwthreads_images/icons/tongue.gif[/img] I would try heating the blot with low heat for a LONG time till the bolt itself is cherry red, then come back the next day and try it. The heat will expand the bolt shank and crush the rust. Then, the bolt shank will shrink back farther than it was. You can also weld a nut on top if the heads are not holding, the heat will expand the bolt, so come back later....much later...when the bolt has shrunk back farther than it was. Forget drilling....too much work, and too hard to get it right. Get an ACE welder in there and a good, small-tip torch and go to work. I have done this a zillion times. [img]/wwwthreads_images/icons/crazy.gif[/img]

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post #3 of (permalink) Old 11-08-1999, 01:09 PM
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Re: Help needed removing intake manifold bolts

Hey there,

The same thing just happened to a buddy of mine with a 304. The second to last bolt in the back was really bad. We actually used a really small "wizzer" wheel and made a couple of cuts on the head of the bolt. We than used a hammer and a chizel to cut the pieces off the head. It took a while but we were able to get the Intake off and used vise-grips to get the stud out.

hope this helps.

Brian "A4x4jeeper"
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post #4 of (permalink) Old 11-10-1999, 01:10 AM
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Re: Help needed removing intake manifold bolts

I finally got the bolts off.... I ended up trying to pound a metric socket on them, and it turns out that a 14mm one fits a lot more snug than the 9/16 that it is supposed to be. Thanx for your help.... I'm glad I had other options if nothiong else worked. ( and also that I didn't have to get someone to weld )


Soon to be 1985 CJ-7, 304, T-18A, D300
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