iscnetwork Posted October 3, 2020 Author Share #85 Posted October 3, 2020 Since I have no way of knowing if my set car's setup is normal or not. I only have 1 inline fuel filter and it is under the hood. It seems strange not to have one at the fuel tank before the pump. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607128 Share on other sites More sharing options...
Zed Head Posted October 3, 2020 Share #86 Posted October 3, 2020 1 hour ago, iscnetwork said: Since I have no way of knowing if my set car's setup is normal or not. I only have 1 inline fuel filter and it is under the hood. It seems strange not to have one at the fuel tank before the pump. Normal. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607138 Share on other sites More sharing options...
iscnetwork Posted October 3, 2020 Author Share #87 Posted October 3, 2020 Someone at Nissan messed us the transition from 260 to 280 apparently. Thanks, since I have to re-engineer I think I will add one at the tank. I had to go to 3 places to find 1/2 fuel hose [NAPA] for anyone else later in this position who reads this. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607139 Share on other sites More sharing options...
Zed Head Posted October 3, 2020 Share #88 Posted October 3, 2020 The 260Z was carbs, the 280Z is EFI. The hoses are metric. Make sure you get high pressure EFI hose for anything after the pump. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607143 Share on other sites More sharing options...
Zed Head Posted October 3, 2020 Share #89 Posted October 3, 2020 Did you try tapping on the pump while it had power? Sometimes they get stuck and you can break them free. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607144 Share on other sites More sharing options...
zclocks Posted October 3, 2020 Share #90 Posted October 3, 2020 If you going to replace the pump be advised that the aftermarkets don't seem to last . The last one I bought was $95, lasted 7 months, and was only used for about 20 starts. The first after market pump only lasted one year. The OEM pump may be costly but it lasts. Also, the after markets don't fit like the OEM and you have to make several modifications. Yes, 1/2 inch hose from tank to pump , but make sure you use FI hose out of the pump to the fuel damper like Zed said. 2 Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607152 Share on other sites More sharing options...
S30Driver Posted October 3, 2020 Share #91 Posted October 3, 2020 In addition, FI rated hose clamps on the high pressure side. No cheap parts store gear clamps. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607160 Share on other sites More sharing options...
iscnetwork Posted October 4, 2020 Author Share #92 Posted October 4, 2020 All of that is bad news. What does an OEM pump cost? The one of ebay was $300. I thought I had it made... but now I may have been a victim of the "evil" hose clamp vs. I thought a cracked hose. I got my Z sort of started, but blew gasoline all over the garage. I had to abandon ship. Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607176 Share on other sites More sharing options...
Zed Head Posted October 4, 2020 Share #93 Posted October 4, 2020 Congratulations. If it still has the old braided hoses you should change them all, especially the ones over the engine. They age and crack and split and squirt fuel. It's easy to do,the injector hoses actually just press on. Procedure described in the FSM. I had really good luck with the Airtex E8312 pump. No problems, about 30,000 miles, many years. Bought it at OReilly Auto. https://www.amazon.com/Airtex-E8312-Electric-Fuel-Pump/dp/B000DT7Y7K 1 Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607180 Share on other sites More sharing options...
Dave WM Posted October 4, 2020 Share #94 Posted October 4, 2020 I get my fuel clamps from the JY, seems better quality than the stuff sold at local autozone. Its a good idea to check under the hood a lot. I always check when getting gas. leave it running pop the hood look for leaks. turn off, fill up. leave the hood popped while filling, helps with controlling heat soak on hot days. 1 Link to comment https://www.classiczcars.com/topic/64482-1975-280z-22-will-not-start/?page=8#findComment-607195 Share on other sites More sharing options...
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