b1200 Posted February 20, 2012 Report Share Posted February 20, 2012 I put a 1981 200sx engine in my 1200 coupe and it was fuel injected and I need to know if I can put a 1981 720 fuel pump on because I'm making the engine carburated Quote Link to comment
ggzilla Posted February 21, 2012 Report Share Posted February 21, 2012 Yes, the Datsun 720 with Z22 engine fuel pump will fit on the Z20 engine. Why you converting? Didn't you like the fuel injection? Quote Link to comment
datzenmike Posted February 21, 2012 Report Share Posted February 21, 2012 I put a 1981 200sx engine in my 1200 coupe and it was fuel injected and I need to know if I can put a 1981 720 fuel pump on because I'm making the engine carburated Yes you will need the fuel pump eccentric mounted between the cam sprocket and the cam retainer bolt and remove the blockoff plate. Or do you mean the 720 electric fuel pump? Either will work. You will need the intake from a Z20 or Z22 720 or an '80-'81 A10 (HL510) and a carb from any L20B should work. Quote Link to comment
b1200 Posted February 21, 2012 Author Report Share Posted February 21, 2012 Its not the elictric i need to know If I need to get something for the conversion Quote Link to comment
datzenmike Posted February 21, 2012 Report Share Posted February 21, 2012 Yes you will need the fuel pump eccentric mounted between the cam sprocket and the cam retainer bolt and remove the block-off plate. Then any L series or even the Z series mechanical fuel pump will bolt on. Don't forget the Phenolic plastic spacer between the pump and head plus the two gaskets. You will need the intake from a Z20 or Z22 720 or an '80-'81 A10 (HL510) and a carb from any L20B should work. Z 20 carbs will also work, like from the HL510. If you have the Z20E throttle cable, it's long enough to work and is a cable like the 1200. Otherwise get one from a Z engine 720. Quote Link to comment
b1200 Posted February 21, 2012 Author Report Share Posted February 21, 2012 Yea got two carbs from a 720 and a 510 can't fight out to post a pic on my Ipod Quote Link to comment
datzenmike Posted February 21, 2012 Report Share Posted February 21, 2012 Yea got two carbs from a 720 and a 510 can't fight out to post a pic on my Ipod Seeing as you have a 2 liter motor (Z20E) it would be best to get a common and easily found L290B carb. Quote Link to comment
b1200 Posted February 21, 2012 Author Report Share Posted February 21, 2012 My brother who gave me the car said it is a z22 and how do you post a pic Quote Link to comment
ggzilla Posted February 21, 2012 Report Share Posted February 21, 2012 You can't post a pic. You can post a URL to a pic that's somewhere else, like on Photobucket. 1. Post the pic to Photobucket 2. In your reply here on Ratun, past the IMG link into the reply Z22E fuel injection only needs 4 wires from the engine harness to hook up in a 1200. Quote Link to comment
datzenmike Posted February 21, 2012 Report Share Posted February 21, 2012 I put a 1981 200sx engine in my 1200 coupe and it was fuel injected and I need to know if I can put a 1981 720 fuel pump on because I'm making the engine carburated My brother who gave me the car said it is a z22 and how do you post a pic You said '81 and they had a Z20E. Now you say Z22. Not criticizing here, but suggestions are only as good as the info supplied. The carb will need to match the engine size. So now we must verify the engine size..... Take a look under the #2 spark plug on the driver's side. The engine size is stamped there. It's on the square raised boss in the picture below. Quote Link to comment
b1200 Posted February 21, 2012 Author Report Share Posted February 21, 2012 You said '81 and they had a Z20E. Now you say Z22. Not criticizing here, but suggestions are only as good as the info supplied. The carb will need to match the engine size. So now we must verify the engine size..... Take a look under the #2 spark plug on the driver's side. The engine size is stamped there. It's on the square raised boss in the picture below. the spark plugs are on the passenger side Quote Link to comment
datsunaholic Posted February 21, 2012 Report Share Posted February 21, 2012 Well, then look between the exhaust manifold runners. Most NAPS-Z engines have plugs on BOTH sides but 1980 US and even later Canadian ones only had the intake set. Quote Link to comment
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