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86 GXL work

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murz:
Alright, well I'll be home in Michigan in 2 weeks now. That means I'll have plenty of time to work on the seven. Anyways, I have a stainless steel header, I'm wondering how easy/difficult it would be to replace the current stock manifold? In a driveway haha.
Also, I plan on taking apart the throttle body to clean it and what not and hopefully find this troublesome vacuum leak I have. Any recommendations as to what I should do while I have it apart? Besides clean and check for vacuum leaks?

~Groll69~:
depends on the issues your having with it.  The engine mount on passenger side may need to be loosened to remove the stock header.  Then the engine tilted up about an inch.  I beleive i ran into that issue with mine many years ago.  Though somewhere along the line i did lose the aftermarket header i had for it.  I know that is going to be mildly painful to deal with.  The intake isnt much of an issue.  May want to give the engine bay a quick clean.

murz:
Well, I'm pretty sure the 2k idle I have is due to a vacuum leak, most likely the EGR. I'm beggining to suspect I might even need a rebuild now. I have a tiny oil leak coming from one of the OMP lines as well. But yes, I definitely want to clean it all up while I'm at it. Is rebuilding the 13b something that I'd be able to do? I'm definitely not a mechanic, how-ever since owning this car I have a good grasp on things and I'm able to do things my self.

toplessFC3Sman:
Generally if it's an NA, it's starting pretty easily and you aren't losing a lot of coolant, you don't need a rebuild.  A compression test will tell for sure.

2k idle is most likely a vacuum leak - I'd recommend taking off the entire upper intake manifold and going through to replace all of the rubber lines you see (one at a time so you can make sure you're connecting everything correctly!), since if you haven't done it already, they're probably all baked & ready to split.  Fuel line & pulsation dampener are good things to replace at the same time, and maybe rebuild the OMP lines too (only $20-30 worth of stuff from mcmaster.com - there's a thread on RX-7 club about rebuilding them using the original fittings - get new copper o-rings from mcmaster too!)

murz:
Reason why I mentioned a rebuild is because I'm afraid it might need one. Terrible power loss right now, when it was idling normal, it was pretty rough. Either way, when I'm in Michigan in 2 weeks I'll give it a compression test.
Oh thanks for the advice, I'll definitely rebuild the omp lines then, seems easy enough. Where can I find replacement vacuum lines? I'd rather just replace them all so I don't have to worry about future leaks. Thanks for the advice!

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