Fuel Injection
Posts about fuel injection systems and related topics.
751 topics in this forum
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- 8 replies
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I don't think it's been discussed here, and I don't see any information on it the the FSM, so I think I will simply ask. It's probably the only thing I don't know about the car. If you needed to replace one of the green E.F.I. fuse links (mounted near the battery on the relay box) how do they come out? I don't think they have the usual female blade connector, like the other fuse links that are on the shock tower. I think they are inserted into the connector, like any of the other blade connections? that means you can't just pull the fusible link out and replace it, like other other ones. You'll have to carefully extract it from the connector. thxZ
Last reply by FastWoman, -
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- 4 followers
- 33 replies
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I've found -6 size aluminium fuel rail stock on e-bay for $10 a foot, 2 feet + shipping $35, and can get the 5/16" x 1/4" male barbs for about $2.50 then the 1/2" size for the 2 ends, couldn't be more than $4 each. Can borrow taps and bits from Pop. $70 dollars or round about and Pallnet guy on Hybridz wants $155 for a great looking fuel rail I think I could make without the fancy lines machined into it. Anybody ever done it? Is it harder than I think? I know I'd have to use that clear sealer instead of teflon tape.
Last reply by FastWoman, -
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Got my battery changed out so that I could track down my wiper, blower motor and radio gremlin when I noticed over half of my injector blocks were cracked. I have a new set on order but wanted to know if it was safe to drive the car until the new set comes in.
Last reply by ZCurves, -
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SO here is my problem, I had one black fouled plug in my 77' datsun 280z and it seemed as though i had a dead cylinder so i checked spark on all plugs and compression tested all cylinders and got 120 across all of them a couple were about 125. so i assumed it was my fuel injector just dumping fuel and fouling the plug sop i got 6 rebuilt injectors from BAP and installed them this morning, when i started her up she ran even worse. Now i have centralized the problem to the 3rd & 4th fuel injectors. When i take out the spark plugs on these two there is no difference and i checked the spark for both and when i take the fuel injector connector off there is also no differen…
Last reply by FastWoman, -
Hi Folks, Love the site. Great info! Did a lot of searching so not to waste anyones time...but. No luck yet. My Name's JR. I am actually working on this 1976 280Z for a customer of mine. I own a shop that does mechanical resto work on classic cars here in upstate NY. I do love the Z cars and this guy has been to 3 other shops with no help, so I volunteered..How hard could it be right? On to the problem. He had a no start, no spark condition when I got it. Figured I needed spark first. Found a bad distributor, Great! Got a new one from Z car source. Now I have great spark, Still no fuel pump. Jumpered pump, (Newer replacement) works fine. Downloaded FSM, started trouble…
Last reply by JRSGTS, -
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- 8 replies
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Last weekend I had trouble with water in my fuel tank, so I started cleaning the fuel system and did some other checks while I was at it. The engine had developed a hesitation and sometimes backfiring. The fuel pressure was ok so did some further checking of the throttle switch and the AFM using the EFI Bible. The throttle switch checked out ok, but the temperature sensor in the AFM was measuring 4ohms. According to the manual is should be reading about 2500ohms at 20degreeC:disappoin As a temporary fix Ive fitted a 2250ohm resistor to simulate 20degrees C. We are having a very mild winter here atm. I don't think the sensor is available anymore, if it ever was available. …
Last reply by superlen, -
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I just got my Datsun back on the road for spring and I notice while in 3rd and 4th around 4100rmp it feels like there is a rev limiter on the car and is doesn't wanna go past 4100-4200 rmps. it doesn't happen in 1st or 2nd and if I ease into it, it sometimes doesn't happen in 3rd. the car is running strong though so I don't really think its anything mechanical. if anyone has any input I'd greatly appreciate it. thanks!!
Last reply by siteunseen, -
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Hi all, The weather we have been having here in Europe has been excellent for driving the Zed. Yesterday we were driving around and the engine develop a hesitation. It lasted about 10 seconds at different rev ranges. On the way back home it started getting worse and a couple of km from home it stop all together. I managed to roll of the road to a sort of safe place and opened the hood to have a look. The engine would start or give any sign of life. My wife cranked the engine and I checked for spark. I did, so the problem was something other than ignition. We were not far from home, so I called a friend to tow us home:bulb:. No point trying to fix it there on the side …
Last reply by jcb, -
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I found a good hose at a junkyard. But do I need it? I put some screening wire around the opening and the clamp to keep the squirrels out. I'm hoping to gain at least 20Hp like all the K&N people claim. :stupid:
Last reply by siteunseen, -
- 19 replies
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i've read a ton of threads on the hot-start issue and the general consensus seems to be it's a lean condition due to heat soak, vaporized fuel, hot injectors, low fuel pressure, etc. this all makes sense, but my experience is of an overly rich condition and it even fouled all my plugs. the background: '78 280z, 3rd owner, PO had it for 30 yrs as garaged DD. when i bought it i thought it ran pretty well (first z car, so i had no idea what it could really do). found leaky heater hose in cabin, flushed system and found much rust. replaced all coolant hoses, big and small throughout including heater hoses. then turned to electrical: moved engine bay relays into cabin and re…
Last reply by Captain Obvious, -
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In chasing down Air Flow Meters to test/calibrate with HellFire I ran across locally a pile of distributors, maybe 20 or so. The problem is that the man who owns them doesn't know Datsuns & these are ostensibly from 280z's, zx's, possibly Datsun Roadster. I was short on time when I was picking up the AFMS so didn't have time to look at them closely, but there were at least a few 77 280s in the pile as I recognized them. Most seemed later with different types of electronic pickups, a few were points. Most I didn't recognize what model, but I've never payed any attention before on they style changes over the different years and models. I would like to buy several of th…
Last reply by superlen, -
Hello All, I thought I'd start a new thread to get some feedback on my ZFuel project. To recap, I began a tuneable LJet ECM replacement long long ago in the early 90s, stalled out due to life/growing business, and then rekindled it last year when my son was driving a 77 280. He went away (along with car) to college, so again I stalled on development. I'm glad to say that I have the car back now, and I'm excited about getting this unit off the drawing board and into the garage. I think at the rate that AFM's and ECMs are aging, it's long overdue. Here is a quick overview: Standard Features -100% drop in replacement for stock (should be a 10min install - pull kickplate, ecm…
Last reply by rossiz,
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