I recently did a mini me swap, and put a 93 ex head on my 92 cx block. It runs, however, it idles at 1800 sometimes, and other times it will jump from 1800, down to like 800 rpms. Any suggestions?

 

I just had some headwork done and I replaced the headgasket,intake manifold gasket, and I have a similar problem my car idles at 2000 rpm's and sometimes it might drop to 1500 rpm's when Im rolling with the clutch in it idles up to about 3000 rpm's the only thing I havent replaced is the throttle body gasket and it is on order I hope that I can find out what it is. Maybe you have a vacuum leak like everyone told me I just havent found it yet.

 

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