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03-08-2011, 10:47 AM | #1 |
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Join Date: Jan 2009
Location: Rockmart, Ga
Posts: 27
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exhaust manifold removal
I'm about to install headers on my 69 gmc...The manifolds have been on about 20 years. Whats the best solution to get them off? Heat them up some, spray a lot of lube on the bolts, any other suggestions would be appreciated.
Thanks, David |
03-08-2011, 10:55 AM | #2 |
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Join Date: Nov 2010
Location: Las Vegas, Nevada
Posts: 160
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Re: exhaust manifold removal
spray lube days before the removal, for everyday. Sometimes going forward (tight) first, then backing off works. Don't heat up the bolts. Try to apply heat around the head or manifold SPARINGLY!
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T.Y.N Custom Works..... Because "Stock" Sucks! 1971 K 10 GMC Long Bed 1977 Formula T/A Frame off Resto-Mod 1995 FXDL Harley Low Rider 1985 C10 ShortWide 91 Burb front. |
03-08-2011, 11:00 AM | #3 |
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Join Date: Jun 2010
Location: Upland Ca
Posts: 4,144
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Re: exhaust manifold removal
I'd hit it with some WD40 or similar a few times and run through a few heat cycles. Then with the engine warn, slowly turn the bolts a very little bit in each direction until they are free. As the threads are in the heads and far from the bolt head penetrating fluid will not likely help a whole lot but certainly would not hurt.
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1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
03-08-2011, 11:16 AM | #4 |
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Join Date: Jan 2009
Location: Rockmart, Ga
Posts: 27
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Re: exhaust manifold removal
Thanks gentlemen!!
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