Crazy477280Z

Ok, I will drain gas,recheck vacuum system, and make sure injectors are flowing correctly. Any advice on CAS being the culprit, CAS being the crank angle sensor. The reason Ime suspicious of this is the ECCS recievea a signal from crank sensor relting to where piston position is in each cylinder,so ECCS can fire injectors at proper time. I dont think this is happening correctly, which is why I want to know if there is a way to test it without an ocsilloscope.

I recently had a problem getting a 83 turbo Z. It has a Crane Fireball ign. system, and I was thinking no start was related to a faulty component in this system. Turned out to be no power to CAS due to bad connection. As soon as I fixed this she started, and ran, athough not so great. I have installed new plugs, wires, rotor, dist. cap,and air filter along with oil change. Now she starts, and even idles decently except at around 1500 rpm instead of 750 rpm. When I actuate throttle, she backfires and dies when cold. If I let her warm up decently, and then hit throttle, she will still backfire,{ through exhaust} but she will stay running. I should also mention that gas tank had less than an eighth of a tank of stale gas in it. The original owner thought he would do me a favor and put 5 dollars in vehicle, which Iappreciatted. The only problem is that he didnt drain old gas, just added new gas to the stale stuff. I wouldnt think that this would cause a serious problem as Ime having. What do you guys think?Also, do you think this could be related to bad CAS? It has symptoms like a timng chain jumped, or some other timing problem. Is there a way to test CAS without an ocsilloscope or engine analyzer,as I have neither? Thanks to all members and guests for help in past. I love all my Z's, but we all know how tempermental they can be. Thanx again.

Excuse me....6300 model-HI-6S.

I do have the 9300 model so I dont know why magnetic trigger box is there. Ime not familiar with the CPS ignition setup. something went wrong with my laptop so all I have to get online with is my XBOX 360 which does not download. So Ime not able to access FSM from xenon. All I know at this time is that I have 0 voltage to or from CPS with ign. on. I need to know what pin number on ECU is tasked to the CPS.And I do have 84 to 89 ECU from 300zx.{Z-31}

Ijust bought my ZXT last month.I have and have had numerous Zs and ZXs but this is the fist turbo ZX Ive owned as of yet, and youre very right,but it takes time, and knowledgable answers to intelligent questions to learn correctly. Thats why Ijoined this club.And if Ihave good info to help someone else, well, thats just frosting on the cake.

OK...CAS is crank angle sensor according to EFI schematic Zed Head sent me.{thanks Zed} Iwill compare what is installed on car tomorrow,and hopefully I can make sense of whats there.Ime going to do some homework on CAS, because Ime not educated on that ign. setup.I will have more info tomorrow.Have a good night all.

What is CAS? I dont know as of yet. I just figured out ign. system wasnt working right before I knocked off for day.PO added so many aftermarket parts that Ime going to have a difficult time with this not being well versed and uncomfortable with electrical issues. I have figured out brake light-taillight-blower motor and fuel pump elect. and wiring issues, so Ime not a completly lost cause, just mostly.As for where EFI gets input from, I dont know yet. PO went z31 ecu with hybrid T3/T4 turbo-intercooler-turbo boost controller-turbo timer-in cockpit crane retard control-cobra MAF/AFM-420cc injectors-Crane ign. system.He went through Jim Wolf tech. for all this building up to a possible 450hp. I bought her for 3500.00 a moth ago not running, and I would like to hear it run soon. Its going to take me a bit to figure this out, but hopefully,with some advice from others better versed in elect. issues, I will get this figured out,and get this sweet little ZX on the road and out of my garage,so I can work on my other Zs andZXs.Thanks again.

Is any one out there knowledgable about the Crane Fireball ignition system? I have a 83 zx turbo I bought about a month ago.When I first got car, I had to tear dash and heater out and go through all wiring. PO had a dual battery system installed with fuel pump relayed through rear battery Ive got everything back as close to stock wiring as Ime able,not being too electrically adept myself. Ive got fuel pump operating through relay, as Iwasnt able to get power back to fuel pump through stock wiring, even though all relays tested good.Anyway, thats all solved.My problem now is that Ime getting no spark. Ihave a Crane Fireball HI 6S ignition system with universal magnetic trigger.Ialso have stock coil along with a Crane LX91 coil. when I turn ignition over, little red LED light does not come on, even though Ido have power to unit.Also I cant seem to get either coil to spark, but Itook stock coil off 83zx and installed it on my 77 z, and it fired right up. Possibly any ideas out there on how to troubleshoot system. All I can find online is install instructions but not much on troubleshooting systeAny advice would be appreciatted. Thank you.

Has there been a parts interchangeability book or info on the Zs and/or the ZXs covering what parts can be used on different year vehicles?

Does anyone know if heater box and control assembly from a 79 zx non turbo with air cond. will fit into a 83zx turbo with air cond.? They look pretty much the same but I know looks can be decieving sometimes. The 79 is in great shape with everything moving freely...The 83 not so much. I could recondition the 83 but it would be a lot less work if 79 will interchange.

Does anyone know if heater box and control assembly from a 79 zx non turbo with air cond. will fit into a 83zx turbo with air cond.? They look pretty much the same but I know looks can be decieving sometimes. The 79 is in great shape with everything moving freely...The 83 not so much. I could recondition the 83 but it would be a lot less work if 79 will interchange.

Thanks guys. I found fpcm right above ecu. No one really had info relating to it. I would think more people would know about it as it controls ground side of fuel pump. Anyway thanks again.

Does anybody happen to know where the fuel pump control modulator is located at on a 1983 zx turbo car?

I called prev. owner about NAPS intake... not being mech. enabled he wasnt even sure about intake location. I can see that emission junk has been removed...EGR valve air pump etc from car. He was told by a local Nissan mech that the NAPS intake would work fine but wasnt told about emission aspects. Ime going to get her right now and see just what I jumped into. Post more later.

Pt. 2...Upgrades cont...Grant mahagony steering wheel - Cold air intake - Seat brackets and new belts - Rollbar - New tie rods ball joints and alignment - New weatherstripping - EVERY bushing was replaced at same time throughout car - Nose bra - New coil springs - Halogen headlights - Tinted headlight covers - New rear shocks - Aluminum driveshaft - slotted rotors - New u-joints on driveshaft and axles - Rebuilt Motorcraft 5 speed tranny - New wiper arms and wipers - Widows were tinted - New BF Goodrich radial T/As raised white letter - New 15 inch Centerline wheels. This is everything I have reciepts for and it totals up to 17327.00.He suppossedly threw away over 8000.00 in reciepts because they were for parts only not labor charges. He also has 23 full size totes full of various years of 280zx parts that he has collected from wrecking yards car shows etc. I did end up buying it this afternoon.What can I do? i dont know if a deal like this will ever come my way again.Well...What do ya think now that you know what was done. Idid verify parts with own eyes. This guy ewenscrubbed underside of car then primed and painted. It still looks brand new on the underside. Let me know what you think.

Whoops I forgot you Zed.Sorry! These are the upgrades I have reciepts for. Now maybe you can see why all the shop time and not much driving time. Here goes in no particular order : Hurst shifter-adj. thermostat -New tranny mount - New tensioner - Rear diff. R-200 rebuilt - adj.fuel press reg. - High volume Holly fuel pump - New injectors - New exhaust headers and Monza tips - New interior carpet seats dash and padded armrest on center console - HP NAPS intake - electric fan shroud sensor - adj.Tokiko struts - All new Auto Meter white face guages including boost and fuel/air mixture guage - Crane ignition - New heater core heater control assembly and new cables - Paint job in 2009 - New computer that had soething else done to it that costs 467.59 - Hyper voltage system 400.00 ? - Hyper grounding system 400.00? - 900.00 worth of soundproofing - All new brakes from lines mstr cyl rotors calipers - New clutch master and slave cyl. - New oil cooler - High vol. oil pump - Heat shield kit - New T/4 Turbo - New intercooler - All new piping and fittings - Header wrap - New air regulator - New Crane cam - 8mm plug wires plat.plugs Accell cap rotor - water pump - end pt. 1

To answer all who commented/questioned my find the other day.... The 83 has 87047 miles on odot. so call it 187047. The motor was rebuilt in Feb. of 2008 at approx. 18000 according to owner. I have reciepts verifying date but not mileage of time of rebuild. As for the 72 240z... It was restored in Calif. but Ihave no idea what was paid for resto. I do know this person wanted a vette in Seattle and it was a time sensitive deal and he needed 5000 to finalize. He approached me with the offer and Ihad just bought a 79 zx 2 days before and I just didnt have money so I turned the owner of this 83 onto it and he bought it. Now since I turned him onto such a good deal (Hell-unbelievable deal) he says he would like to do same for me. Ive done close to 1500.00 worth of work on his 240 and worked on his various other vehichles. Hope that answers all.

Today I found a 1983 280zx that I MUST have! The owner is not mechanically inclined so all work performed on vehicle was done at various shops. Owner has over 24000.00{ yep that was twenty four thousand dollars} in reciepts for all NEW parts and upgrades. I had recently turned him on to someone who had a 1972 240 Z that had been totally restored for 5000.00. He was so impressed and felt he owed me something so he offered me the 1983 for 3500.00.Almost everything on this car is new or rebuilt and even though hes owned car for 14 years... hes actually only driven car fo 6 months because it was in shop alot having new parts installed or upgraded. Anyway I wanted to share the deal with people that would appreciatte what Ive found here. Thanks for listening.

Ime trying to get parts to do alternator upgrade on my 77 280z, but the auto parts stores around here are telling me that the only 70 amp alternator they can get is from an 84 300zx. They also tell me that all alternators made for 280z and 280zx are all only 60 amp. even the turbo cars. Arent the turbo cars suppossed to be equipped with 70 amp alternators. I would like to upgrade to get away from the voltage regulator, and I would also like to find 70 amp alternator, as I have a 2000 watt dual amps pushing 2 15 inch subs, and 2 1500 watt 6 x 9 kenwood 4 ways,and 2 piezo tweeteers, so Ime thinking I should run something a little heavier than the stock set up. I do have a 1200 watt digital power capacitor to help with power fluctuations due to deep or prolonged bass notes,but I listen to classic rock and not rap so that helps. So any ideas on alternator issue? Thanks muchly.

Well,the problem came back, but I fixed it for sure this time. I was out of state for a bit,and had to go in someone elses car. I got back last week and it drove fine first day.The next day. I felt it hiccup,but it kept runnihg. I pulled into 7/11,shut it off,and went in.When I came out it wouldnt start. I popped hood and saw a fine stream of fuel shooting from a rubber hose connecting fuel rail together.[3 or 4 piece 280z fuel rail] I taped split hose,and she started and made it into driveway,then it died. It would start, run for ten to fifteen seconds, then die. 5 minutes later it would start,run for 10 to 15 seconds,then die again. The last thing I had messed with was AFM TO GET IT RUNNING LAST TIME, BUT NO LUCK THIS TIME. iTHEN REPLACED FUEL RAIL WITH 1PIECE 280ZX fuel rail.I went back through this thread, and since I was still not getting power to pump or AAR,IT MADE ME THINK OF FUSIBLE LINK ON FENDER WALL. In fact, this was ZedHeads next best guess as to problem. Well, I had everything to perform 280z fusible link upgrade to an AGU fuse system. Once I completed that,it started right up,and I drove it for 2 hours steady with no problems. I also used ZedHeads tip on connecting condensor to negative side of coil to make tach operate correctly,and that also solved my tach problem I had been experiencing since switching to GM ignition module. So I think that the advice ZedHead gave me was responsible for the solution to my problem,but thanks again to everybody that replied and offered thier help.

I have quite a few of the style you need... If you dont get them elsewhere,just PM me,and you can have them for postage.

Yep, I think that has alot to do with it also.Ive got a friend that owns a Z wrecking yard of a sorts in Beavercreek, Ore. and he made a fuel rail out of long, rectangular piece of aluminum stock he had laying around because of same issue,and he hasnt had a problem since, even running stock exhaust manifold..

My 77 has stock intake and fuel rail but I do run headers. I go through this heat soak also. Ime not sure what kind\size injectors Ime running. It doesnt affect it to the pointof a no start situation though. I can shut it off while hot,and if I start it again within 30 or so minutes, it runs rough,but it will clear up if I run it about 3000 RPM for no less than 30 seconds, and no longer than a minute. It was worse until I installed the headers,but I havent got rid of problem completely yet. sounds like I may have to do an injector swap to get it to entirely vanish,depending on where all this info leads. Just thought Ide throw my 2 cents in if it helps add to whole picture.

I used to be a member ar zcar,but there were too many bad attitudes between alot of the people that posted. Now the only reason I even go to site is to look at tech tips if I cant find it here. I dont have alot of history with Hybridz,,because alot of the members there have modified thier Zs to run V8s or changed them from the stock vehicles we all love so much. Luckily. my wife understands that my Zs are the only mistresses I will ever have.and shes OK with that,which is good because Ive got 21 years invested in this one, and its a little late in my life to go find another woman who could put up with me and my love for these cars. Hey, I heard a rumour that nissan was kicking over idea about bringing back into production the original Z car,with up to date engine and drivetrain,and Ime not talking about the 350 or 370 Z either. Does anybody know if there might be a shred of truth to this?

Yeah,Murphy and I go back aways. I drove car for over half hour and it ran great with only issue being tach not reading under 1000 RPM. I havent been able to find tach resistor yet, I did not have a fusible link at battery,so P\O must have removed it, so I hooked one back in.When problem pops up again, I will let you know. Thanks for advice and help everyone. Its good theres people out there that are willing to share thier knowledge with some of us that are still learning about thier Zs,and care enough to take the time to help school us through some of these problems. I bet half of our cars wouldnt even be on road if it wasnt for sites like these. this is definitly the freindliest Z site.and I think,also the most informative as well. THANKS AGAIN. Ime not going to dissappear like my car issue did. Ive got 2 280zxs that Ime sure something will go wrong sometime or other. If I can help someone else.I will allways pay forward also, so I will be around.