Thing to consider. The civic 4spd is the STD model. It has an 8 valve head. Honda has made some 8 valve heads over the years the crx hf, civic STD and the civic cx. Some of these 8 valve blocks have pistons with only 8 valve reliefs. Some have the same pistons as the 16 valve dx heads. It realy just depends on the year. If you have a block with only 8 valve reliefs then you can't swap a 16 valve head on because the valves will smack the pistons. Just something you may want to look into.
Also I'm not personally a believer in the mini me swap so I'd either save up for a b16a or get a complete d16z6/y8 motor and wire the car up to obd1 so you can run the right ecu (P2
and distributor.
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Gracie Barra Clearwater
Gyms in Clearwater, St. Pete and Port Richey
pm me if you are interested in trying a free class at any of the gyms.