LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

tightening exhaust manifold bolts

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Old 10-20-2002, 02:40 PM
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tightening exhaust manifold bolts

I was wondering. I'm pretty sure that I have an exhaust leak and was wondering what risk I run trying to just tighten the bolts. I really don't want to snap the bolts off in the block. Do you guys think that this may happen? Or should I just change the gasket? Thanks
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Old 10-20-2002, 02:46 PM
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check to make sure the back bolts are even there. Most of the time they are loose, or the head has totally broken off. This does cause a minor leak, most of the time at colder temps when you first start the car. After everything heats up, it goes away. atleast thats what it did on mine
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Old 10-20-2002, 02:56 PM
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how hard is it to change out the gaskets? I'm on my knees praying that I don't have to do that.
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Old 04-06-2003, 03:44 AM
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guys this is an old post that Ironically has come back to haunt me, the question still is, how do I change out the gaskets without breaking the bolts?
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Old 04-06-2003, 03:59 AM
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What makes you think that you're going to snap a bolt? I just removed my stock manifolds and replaced them with headers about 7 months ago. I had no problems removing the bolts. If you're still concerned then spray the bolts down with some Break-Away or something similar the night before and let them soak. I'm pretty sure that you'll have no problems though.
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Old 04-06-2003, 04:07 AM
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thanks a lot for the encouragement. I just hear so many horror stories about people breaking off the bolts. Sounds like a major PITA, I do my work in a military base auto hobby shop that charges by the hour, whne something goes wrong for me it goes good for them. $Cha-Ching$
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