Idle Air Control experiment
11:49
7 сағат бұрын
300zx/280zx turbo harness pt3
7:36
28 күн бұрын
300zx/280zx turbo harness pt2
7:20
28 күн бұрын
300zx/280zx turbo harness pt1
3:22
28 күн бұрын
turbo engine stand update
8:34
fuel rail for l28et
8:30
2 ай бұрын
Datsun 280z turbo talk
8:12
3 ай бұрын
Nissan fitment of L28et part 2
2:54
Jeff's L28 ET engine
5:18
4 ай бұрын
more on the 300zx wire harness
8:27
Пікірлер
@JSMZeez
@JSMZeez 11 сағат бұрын
Haha. Seems a little better. Put the other back on. So much simpler. That huge tree is down. Been cleaning up past 2 days.
@maplesyrupish
@maplesyrupish 2 күн бұрын
I just started having issues with my CAS, and was watching your video about pushing on the plug. Mine would randomly shut off when hot, and sometimes missfire. Did some data logging with megasquirt and it ended up not showing crank signal at all. I took apart the plastic on the CAS itself and the Ground pin had a crack in the solder joint to the board. I bet ya yours is same! I got a different CAS but reflowed the solder joint and had no issues, maybe save it for emergency measures!
@davewm9589
@davewm9589 Күн бұрын
IIRC mine was all encased in a potting epoxy. will take another look. Glad you got yours going!
@TerryHarpe-m9q
@TerryHarpe-m9q 7 күн бұрын
Can I connect this to my arv for a lost key to the ignition
@JSMZeez
@JSMZeez 28 күн бұрын
Nice. Just double check my tags! They could be wrong!
@davewm9589
@davewm9589 27 күн бұрын
on it!
@JSMZeez
@JSMZeez Ай бұрын
Nice!
@stpaulisland
@stpaulisland Ай бұрын
Dave, would you happen to know what the ohm value is on a stock fuel injector for a 1976 280z? Thanks for the great videos, Pat
@davewm9589
@davewm9589 Ай бұрын
its pretty low like 2 ohms IIRC, will check and get back to you when I know for sure.
@davewm9589
@davewm9589 Ай бұрын
2.4 check two different batches both 2.4 ohms.
@stpaulisland
@stpaulisland Ай бұрын
@@davewm9589 thanks Dave appreciate it
@JSMZeez
@JSMZeez Ай бұрын
I got a bunch of hoses. I thought you were out of pocket this weekend ?
@JSMZeez
@JSMZeez Ай бұрын
Looking good Dave!
@pibbles-a-plenty1105
@pibbles-a-plenty1105 Ай бұрын
If you really know anything about the Fisher 400 you would know that sweep aligning the IF is a MUST. Also tweaking the discriminator transformer requires a harmonic distortion analyzer. I've restored many DIYer messed up Fishers.
@stpaulisland
@stpaulisland Ай бұрын
Hi Dave, Got a question about one of your older videos on the ignition switch. When you put your key into the ignition switch, should you be able to turn the key counterclockwise to enable the electrical accessories only? When I look at my ignition switch the words "On" seem to be at the 12:00 position, the ACC at 11:00 and start at 1:00 position, lock at 6:00 and off at 9:00. Is this correct? Thank you for the great tutorials. Pat
@davewm9589
@davewm9589 Ай бұрын
yes you have it right. only things that stay live all the time is the headlight, emergency flashers and maybe the horn. they are always live iirc the ACC should be things like the fan/radio, no efi or ign. lock will make the door buzzer operate unless you pull the key out (and lock the steering if you turn the wheel)
@stpaulisland
@stpaulisland Ай бұрын
@@davewm9589 Thanks Dave appreciate it.
@JSMZeez
@JSMZeez Ай бұрын
Nice! Man you were up late!
@davewm9589
@davewm9589 Ай бұрын
coming along. Got some gasket material to play with on the IAC, got the fuel pump connector all done, and tubing to finish off the return circuit. Will try it with the harness to see if it idles with the stock setup, hook up the IAC electrically but leave it unattached to see if it PWM's. Going to use a 20ohm resistor to limit current since I think the ford IAC was designed for a 5v signal (being safe anyway). This will go to the un used pin but will add it to your harness if it works. I am going to dig in your stash and see if I can find the OE IAC and get a ohm reading on the coil to be sure. Can try hooking it up and seeing what current it pulls as well for a verification.
@JSMZeez
@JSMZeez Ай бұрын
Was that the only pump in the boxes? I have some other ones I can bring you.
@davewm9589
@davewm9589 Ай бұрын
yep only one, its ok but a bit janky on how i had to get it in he jug. If you have any 12v auto bats with post i could use that too. working on the switch harness now. just adding some ring terminals to make hook up easier to post clamps.
@davewm9589
@davewm9589 Ай бұрын
pretty janky I know....
@JSMZeez
@JSMZeez 2 ай бұрын
So do you still like it after all that! :) 82 NA 280zx was 140HP, stock turbo was 180HP.
@davewm9589
@davewm9589 2 ай бұрын
was pretty easy with the plastic spacers. Will look thru the stash for the pump iirc there was one. should be fun with the vari FPR, could even disconnect the O2, defaults to open loop, then use the wide band sensor to adj fuel pressure.
@davewm9589
@davewm9589 2 ай бұрын
was looking at water to air intercoolers, easier to deal with size wise...
@Fmjm610
@Fmjm610 2 ай бұрын
On the l28et ecu pin#5 (trigger) what kind of signal should one see when your cranking the engine over also is it positive or negative?
@davewm9589
@davewm9589 2 ай бұрын
I do not recall scope setup, but it looked like it was a positive going square wave on the video. Main thing I was looking for was a signal of any kind that was intermittent.
@Fmjm610
@Fmjm610 2 ай бұрын
@@davewm9589 ok I’ll check it out thanks for all the help
@chaseincats
@chaseincats 2 ай бұрын
you really should just get remanufactured bosch injectors, they work great and are oem
@JSMZeez
@JSMZeez 2 ай бұрын
They are remaned bosch injectors. They are for mid 90s GM super charged cars 307cc high impedance injectors. The plan is to use the 300zx turbo harness and ECU. The stock 300zx injectors are 260cc, but have a return causing other issues to use on the L6. Others have used these injectors on this type of setup.
@chaseincats
@chaseincats 2 ай бұрын
@@JSMZeez got it, very cool
@stpaulisland
@stpaulisland 2 ай бұрын
Hey Dave, great videos! you ever repair 280z for other folks? I’m in Florida and have a 1976 that isn’t running. Thanks!
@davewm9589
@davewm9589 2 ай бұрын
not really, best thing would be for you to make a video of the issue.
@bleachgarage
@bleachgarage 2 ай бұрын
You always have such great test bench setups. Thanks for the demo.
@JSMZeez
@JSMZeez 2 ай бұрын
Cool! Pallnet Fuel rail. Those injectors have 4 little holes in each tip. The pintle cap hole is big enough for all 4 holes as they are super close together.
@davewm9589
@davewm9589 2 ай бұрын
ah so that is why I see the 4 pattern. Going to install now, and will get the new harness on the table ready to remove the covering. I am planning on leaving the PR intact so it can up the fuel pressure on a hot restart, not really needed, but easy to add so you have the option of using it.
@davewm9589
@davewm9589 2 ай бұрын
having some leak issues around the injectors (air leaks) where they plug into the head. VERY critical on exactly how the stab in, I tiny deviation in angle (due to the rail mounts) results in air leaks. I think the best approach would be to use the reg injector mounts to either hold the rail (like a large u shaped piece maybe 3 across).
@davewm9589
@davewm9589 2 ай бұрын
or just mount to the head with the reg holders. Have you read anywhere else about vacuum leaks using the rail?
@WaltsMUSTANGPEELINGPAINTDIYREP
@WaltsMUSTANGPEELINGPAINTDIYREP 2 ай бұрын
wow just see that this was 7 years ago well hope it help some one else
@WaltsMUSTANGPEELINGPAINTDIYREP
@WaltsMUSTANGPEELINGPAINTDIYREP 2 ай бұрын
yoy not getting any fuel to the rail and its will not start until you slowly let off the swich and then it will start
@WaltsMUSTANGPEELINGPAINTDIYREP
@WaltsMUSTANGPEELINGPAINTDIYREP 2 ай бұрын
it the ignition swich my z is and was doing the same here is a part number 48750-e7705 you have dead spots in the swich
@frank1371
@frank1371 2 ай бұрын
I just got one of these! Haven’t done any diagnosing yet, just got it into my house, planning on servicing this set so it can play again. This video will be very helpful in that process thank you.
@davewm9589
@davewm9589 2 ай бұрын
hope it goes well for you.
@kkteutsch6416
@kkteutsch6416 2 ай бұрын
Roundies weren't produced here in Brasil since color tranmissions started in 1972, already adopting the Telefunken Pal system with M standard !
@rv2rdln
@rv2rdln 3 ай бұрын
I did it one handed. That’s all I have 😃
@blue6gun
@blue6gun 3 ай бұрын
L28>VG30
@JSMZeez
@JSMZeez 3 ай бұрын
You cut your car! 😊
@davewm9589
@davewm9589 3 ай бұрын
ouch! it said...
@nissanMan_Z33
@nissanMan_Z33 3 ай бұрын
Just gotta 260z cranks but won't start I almost had it yesterday
@davewm9589
@davewm9589 3 ай бұрын
I assume its a carburetor style vs EFI. If so you need to make sure you have spark (see if it runs on starter fluid) if so prob just junk in the fuel clogging up the carbs.
@batterymakermarkii2654
@batterymakermarkii2654 4 ай бұрын
How much hp do you think you might squeeze out of it?
@davewm9589
@davewm9589 4 ай бұрын
base hp is rated at about 150, with a .5 bar charge, I would hope for about 50-60 more putting it a bit over 200 hp. Should be able to at least stay close to a modern mini van then when drag racing to the super market :)
@alfredobarrera1525
@alfredobarrera1525 4 ай бұрын
Hermoso modelo de la pantalla, solo les conocí aquí por youtube los encuentro muy elegantes los receptores de televisión en ese modelo, que lástima que ya no están..! .
@davewm9589
@davewm9589 4 ай бұрын
note the ECU was set to MODE 1 which is ONLY the green light. I should have had it set to MODE 2 which would have shown the red light flashing with the green showing closed loop function.
@leviscott8519
@leviscott8519 4 ай бұрын
Nice find and outstanding work Dave!
@davewm9589
@davewm9589 4 ай бұрын
Thanks, its really looking nice, I removed the plastic poly loom and recovered with some high temp cloth tape. Added a strain relief made from a clamp of some kind for the factory location clamp. tidied up the rest of the wires that go to the injectors and sensors. going to do some monitor data on the O2 sensor for a later video.
@TheSaturnV
@TheSaturnV 4 ай бұрын
Watching now, but I have to ask if you've ever been a DeeJay or done voiceover work? You've got the voice lol.
@davewm9589
@davewm9589 4 ай бұрын
Maybe my next career!
@JSMZeez
@JSMZeez 4 ай бұрын
Looking good!
@JSMZeez
@JSMZeez 4 ай бұрын
Easier than making from scratch?
@davewm9589
@davewm9589 4 ай бұрын
Much easier, really just removing pins, cleaning/shortening leads and terminations, just finished the pump relay. Only thing left is to fix a couple more leads (CHTS/AAR/knock sensor) and add the 6 /4 pin under dash connector (the wires are all set, just need to terminate them). Got all the injectors done,TPS done. I even tested the FP relay (ECU out, power to ign on and neg to pin 108 (think that is the one), to make sure the relay clicked (added diode to prevent reverse EMF). I wanted to make sure I did the diode in the correct polarity across the relay coil. Used a test light to limit current, all good. Thats pretty much the only thing I can see that could be messed up since all the rest of the wiring is stock, but for the added resister pack. I made sure the resistor load was always split between the two banks of 3, so on the 2 resistor pack I have inj 1 and 6, on the 4 pack I have the 2,3,4,5. That way during any injector event both resistor pack have current flowing thru them.
@hottew_twat3963
@hottew_twat3963 4 ай бұрын
thx you
@JSMZeez
@JSMZeez 4 ай бұрын
That is correct on the batch and sequential. I think 3500 rpm is the cutoff.
@davewm9589
@davewm9589 4 ай бұрын
I think i will get some noid lights (think that is what they are called) and watch that happen real time.
@JSMZeez
@JSMZeez 4 ай бұрын
You love this stuff!
@davewm9589
@davewm9589 4 ай бұрын
You know I do!!
@JSMZeez
@JSMZeez 4 ай бұрын
I was going to give that one to you if you wanted it and let you do the 88 harness I have.
@davewm9589
@davewm9589 4 ай бұрын
Great!
@W.Khairi
@W.Khairi 4 ай бұрын
Though i dont unsterstand what the setup is all about, But i Still find it to be very interesting.
@bleachgarage
@bleachgarage 4 ай бұрын
This will be an interesting series to watch. I eventually plan to connect a Z31 turbo ECU, Z31 wiring harness, and use that to run an L28et in my car. Both the ECU and wiring are from 1988.
@davewm9589
@davewm9589 4 ай бұрын
I have been thinking about it and have concluded the switch rate is just too fast for a vacuum operated IAC (idle air control). I am pretty sure its not needed as there is an adjustment screw on the vacuum module on the intake manifold. BUT I may try a IAC from a later model car, I note some volvos have a idle air bypass that is two wire (power on spring close for off) that may work. Its a direct control that is the solenoid is directly controlling the air valve (unlike this which is a vacuum control). So another trip to the JY is coming. If I found out anything I will make another video.
@leviscott8519
@leviscott8519 4 ай бұрын
Will and way! Well done Dave. This kind of thinking can really save you money and make the impossible possible. I Love it. Great direction on your project
@davewm9589
@davewm9589 4 ай бұрын
I am looking to move it to around the FPR, same concept just more surface area.
@douglashoff95
@douglashoff95 4 ай бұрын
My brother was given one of these back in the "70s. I was in my teens and learned to fix color sets by restoring this very same chassis. Rather unusual, it was side mounted.
@davewm9589
@davewm9589 4 ай бұрын
Yep, side mounted makes it kind of awkward when its installed. Nice to work on tube stuff.
@JSMZeez
@JSMZeez 4 ай бұрын
Great idea!
@jeremyavery703
@jeremyavery703 5 ай бұрын
I had done the 300zx whole system swap on my 280zx the only thing that I gained in my opinion was a better way of reading the incoming air with the mass . I had a modified 300zx distributor. And a supercharger on the 280zx motor. It worked great.
@davewm9589
@davewm9589 5 ай бұрын
did you use a Knock sensor?
@sammyd7857
@sammyd7857 4 ай бұрын
If you are going to muck around that much better to just install a crank and cam sensor with an aftermarket ecu
@davewm9589
@davewm9589 4 ай бұрын
@@sammyd7857 Perhaps, but I enjoy the muck around part.
@cammos
@cammos 4 ай бұрын
​@@sammyd7857very true yeah set a ecu up u can have all the data u need on ur laptop and not have to set up like a mad scientist with 50yr old tech
@leviscott8519
@leviscott8519 5 ай бұрын
Nice running L28ET! Whatever blows your hair back! LOL . Looks like your getting closer to plugging the turbo set up in your 280Z YEAH BOY
@leviscott8519
@leviscott8519 5 ай бұрын
I can see the extra horsies by how fast it whips your hair back when you snap the throttle. I'm sure it will be a very different seat feal when the turbo Gs kick in between gears. Yeehaw!🤠🤙
@davewm9589
@davewm9589 5 ай бұрын
@@leviscott8519 yep, its coming along. I plan to check out the EGR and AAC to see if I can make those work on 300 computer. I also have an idea on how to make the auto clean function of the MAF on the 300 work, maybe by using the EGR pulse to trigger it.
@JSMZeez
@JSMZeez 5 ай бұрын
Looking great Dave! Very close.
@davewm9589
@davewm9589 5 ай бұрын
I was playing with it some later, operating the fuel pump relay as well as the EFI relay in both modes. Fun stuff. I am going to lay it out and start checking all the sensor inputs and solinoid/heater continuity next. Still have to assemble the MAF connector.
@steverusso2345
@steverusso2345 6 ай бұрын
WAY TO EXPLAIN THE WIRING HOOK UP.....THIS VIDEO IS LESS THEN 100% USELESS!
@chriscalderin6677
@chriscalderin6677 6 ай бұрын
What is the points that is not actually points ???????