I6 CJ7 Hedman headers-collector clearance issues - JeepForum.com

 
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post #1 of 4 Old 01-26-2010, 03:00 AM Thread Starter
I6CJ7
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1984 CJ7 
 
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I6 CJ7 Hedman headers-collector clearance issues

I had these headers on my other CJ and have now put them on my new one. The problem is where the 3 collector bolts go in to connect it to the exhaust. The very top hole has pretty much ZERO room to get a bolt in there. I did finally get one in after hitting the crap out of it, but it's a much shorter bolt than the other ones and therefore I cant double nut it to keep it from coming loose like collector bolts do. I have to hold the bolt head with my finger and tighten the nut with a ratchet because there is a bellhousing rib in the way. The only thing I can think to do is grind the the rib and some of the bellhousing off to fit the right length bolt in there and have proper room to tighten it with a wrench. Oh and the collector gasket is leaking because of it. I don't know what the deal is, my other CJ had no problem with this, it was tight also, but I had working room. Also my other CJ had a 4 inch lift as opposed to this one having 2-1/2'' lift. Which thinking about it now may have given me more clearance?



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post #2 of 4 Old 01-26-2010, 03:57 AM
gmakra
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Try this for the collector gasket they work great. Percy's High Performance - Online Store
Then would a 12 point header exhaust bolt with a peened nut work?
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post #3 of 4 Old 01-27-2010, 06:52 PM Thread Starter
I6CJ7
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Join Date: Aug 2009
Location: Virginia
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what does the 12 point header bolt look like? The main problem is I have to hold the bolt head with my finger because it's to small of a space to get a wrench or socket on the bolt head. And the peened nut seems like the way to go, or a nyloc nut, but would the nyloc hold up to the heat?

thanks,
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post #4 of 4 Old 01-27-2010, 07:18 PM
gmakra
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Go with the peened nut since the nyloc will melt. This link will give you reference to what a 12 point header bolt looks like. Mr. Gasket Chrome Header Bolts - JEGS
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