Just call me Harada - My 1984 50th Anniversary Edition Z31 300zx build

300zx Goals for this week:

BODY
- Attempt to finish all the rust repair and rustproofing before motor comes
- Clean and paint engine bay in order to be Clean/pretty/ready for transplant
- Bondo and sand; primer spots left from rust removal

ENGINE BAY
- Repair 302 engine mounts, go back to stock VG mounts
- put brakes booster / lines back together
- repair cut EFI/Engine harness wiring
- Clean up wiring; paint bay
- Exedy Clutch/Flywheel

INTERIOR
- get seats in and working (or say screw it and use stock seats for now to get the car running)
- Respray rearview mirror black to match interior
- Remove more panels/dash to clean/rustproof

CLSD should be in by friday - Want to try and install it before the motor/trans go back in
VG30ET should be in on saturday along with a Kouki (87-89) front end conversion (Bumper, hood, headlights)

Crossing my fingers, hoping that everything goes smoothly.
 
Spent a good 5 hours last night doing rust removal and trying to cut out the 302 mounts that were put in - they were sloppy but think metal so my cutting wheel wasn't doing much. May just have them cut out when I bring it in to get factory mounts put in. (donovan)

I have maybe 5 more rust spots that need some attention then I want to clean up the engine bay so that after the mounts are in place I can spray it.

Also figured out the part of the harness cut is the EFI so I only need a new EFI harness, not the entire harness. (sort of good news) going to see if a local yard has it before spending $150ish on a new old stock one.

Was trying to make these sport seats work but they are a bit wider than stock and it seems the way to make them work may be structurally unsafe because it involves welding an additional bracket to the OEM seat rails for them to bolt to the rails. I want to be able to adjust the seating position still, so trying to avoid straight weld-in.

Tomorrow I'm going to try and get to the rest of the rust spots that are bad then purchase rustproofing paint. I forget the name but apparently you can spray on rust that is already there and it will stop it from spreading. this seems fine for some of the more simple spots but there are some spots that need some metal patching (the A pillars where they meet the hood, and the rear driver fender under the antennae where the bad leaking was.

Other things that need immediate attention are the EFI harness and a few other things to get the car running. would rather have the engine bay sprayed then drop the motor in to get it running before trying to get the body to 100%...
 
POR 15 is great for rust

Tapa on Note III

thats what I was talking about!

---------- Post added 03-26-2014 at 12:27 AM ---------- Previous post was 03-25-2014 at 04:02 PM ----------

The master SOON did a photoshop for me:

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This is a 50th Anniversary Edition (like mine) with the updated Kouki front bumper. I'm glad that I am going this route. It looks killer.
 

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Was pretty busy Monday and today. The rust problems are 80% sorted out.
As shown in the pics below, I attacked all the spots with rust down to the bare metal, then
used a Rust spray (the purple/black looking stuff in the pics below) that forms a chemical bond to the rust in order to keep it form spreading. You can then sand it down and paint over it. For most of the spots, this is OK. For a few, however, there needs to be some filler/bondo added over this to get the body line straight, or in the case of the rear bottom 1/4, sheet metal welded in because the rust ate all the way through.

Since the motor is now coming next weekend instead of this weekend, I will try and have the entire car at least primed or maybe even painted (weather permitting) before dropping the motor in.
Before priming, I want to get the entire rear interior hatch area bedlined after repairing the interior rust, which I have also sprayed with the Rust spray but is much harder to work on down to the metal due to its location in the rear area.

I also want to get the seats figured out so when the motor does come in and we finally get it running, there's somewhere to sit ;)

As far as getting her running - Still need to get an EFI, but now I have another week and a half. Motor should now be coming on the 5th.

Enjoy some pictures of the carnage/progress:

spots needing filling:
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dent in this section that will need bondo
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I'm planning on deleting the antennae (that hole was the cause of most of the rust issues back here, anyway.)
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Also, The existence of a Kouki Z done up in 50th AE style was brought to my attention:
The front of the car is essentially how mine will look (minus the 200ZR vent, I'll be re-using the 50th AE vent in the zenki location over the turbo...just pretend it's over to the right)

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the rear, however, is Kouki of course....


So, I did a photoshop to see how the rear should look on my Zenki w/ Kouki bumpers:
50th AE, Kouki rear bumper, low on bronze watanabes.
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After seeing this mocked up I may stick to a recess in the bumper for a plate - not kouki rear.(those damn humps ruin it for me) This way I can still utilize the MSA XENON rear valence I have for the zenki rear bumper. (I'll have to cut into both pieces for a bumper recess :eek:)
However, it is pretty cool to see how my car may look when completed :D

I'm excited to get back in the shop Friday (warm weather ahead) to finish up the body prep.
Stay tuned.....
 

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Looked into megaquirt for efi? Ccw, wats, rkr wheels look great on these cars.

Tapa on Note III
 
Spent a few hours today sanding the entire exterior of the car - trying to get it as smooth as possible. Got any un-poppable dents down to bare metal in order to apply bondo. Next week a friend of mine is plastidipping the entire car for free (I know, I know, it's plastidip. I'm holding off on a real paint job for now. plus its free) so I want to have the car primed and ready to receive a fresh coat.

Sanding
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made a bit more work for myself since the p/o had painted the door handles, I used paint remover. A bit too much, since it screwed with the paint surrounding it. Nothing some serious sanding couldn't fix.
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these areas are still a big concern. was thinking of just filling the gaps in and sanding/priming for now. (like this on both sides)
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after sanding everything (including trim) I masked off and plastidipped the window trim/moldings and the side mirror
(ran out of 'good' tape when I got to other side - long story short it was too cold for cheaper painter's tape to work right and the 1 roll of 3m was the only one that would stick - heated the can of plastidip before using for the most even coat possible from a can - when my buddy sprays the car he'll use it from a gun with some thinner for an even coat)
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Dry after about 4 coats. there were a few spots that were pulled because I waited too long to remove the tape. Will simply redo them later.
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Then, I mixed some bondo and filled in the more serious dents around the car nice and thick to ensure even lines.
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letting it cure overnight/for a day before touching it to make sure it's solid and ready for sanding.

I removed the front bumper in order to pull the radiator and look for any hiding rust while I was sanding the car... can't wait for my motor to come in!
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I got a 240 rear bumper from one of the guys I share the shop space with - the license plate recess should work perfectly for my plans to graft it into the oem bumper.
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Yes, the bumper does not fit - I'm not using the entire bumper, however. Just the part where the license plate goes. Going to cut a hole in the oem bumper for it to fit in, and set up license plate lights for a nice OEM look. No license plates screwed into the bumper here. I want my Z clean.

Should be back at the shop in the next few days or so to finish up the body work and lay down some filler primer, sand, and prime again.

Also, my CLSD came in today. I will probably not install it right away - my motor comes in next weekend and there are a few other things that need to get done in order for the install to go smoothly. I still need my EFI harness, which is pretty important for the motor ;)

I also need to get these seat brackets done so I have somewhere to sit in the car that is actually attached to the floor....

PLus, still need to get those pesky 302 mounts out, install factory mounts, and cut out the super-rusty rear passenger quarter panel piece and weld in some sheet metal in order to have a nice solid body back there (as well as some other repairs)

Stay tuned....
 

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Good process. A lot of work there.

Thanks!



Here's a new, more accurate "final product" render:
MSA Xenon rear lip on 50th AE zenki rear bumper, with license plate recess I plan on creating from 240sx rear bumper (I got one) - Just need to cut rectangular hole in bumper, put recess in, and graft/bond them together. Not sure on exact height/location of plate recess compared to where the MSA lip attachs (I'll try to keep it clean!) but for the render let's hope for a clean straight line...
The hatch is black because the hatch on my car happens to be black. I like it because it sort of flows well with the spoiler into the taillights without the break of body color silver.....
I think it's going to look great.
Now I just need to play with wheel ideas.....

50thAE_REAR_photoshop_1_zps7a103f83.jpg


I've figured out that I want to run some Epsilon/Southern Way mesh deep dish wheels. I've found a set "local" to me (45 min from home, but right now I'm 6 hours from home at school) These wheels were built in the same era as the car, so would be a "period-correct" set of wheels to run. they are also pretty rare.
If you scroll up, they're actually the same wheels on the 50th AE (black mesh w/ lips) that Soon did the kouki front photoshop of.

here are the wheels:
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Last edited:
Dam nice choice in wheels bro, those are dope
 
yeah photo bucket is saying I reached my bandwidth and want me to pay to host everything now. fml thats what you get for being a picture whore.

---------- Post added at 11:14 PM ---------- Previous post was at 11:10 PM ----------

fixed... $2.99 a month -____-
 
HARNESS CAME IN!
MOTOR CAME IN!

Now I just need to do some wrenching to replace ~20 gaskets, some studs, do some maintenance, spark plugs, oil, etc. And I should be good to drop the motor into the car.
This is the first time I’ve gotten this “deep” into working on a car.
First time doing the bodywork, first time stripping a car clean,
First time working on a motor to this extent… it’s a steep learning curve.

MOTOR!
A 1986 VG30ET with 92k original miles. No problems other than a leaky valve cover. With these motors, the problem areas are the exhaust manifold gaskets and the valve cover gaskets. On this motor, both needed to be replaced due to small leaks, however I would want to replace these anyway because I would like to clean up the valve covers (shine up that red color!) and have the exhaust manifolds “easy” to remove when needed.

The cool thing about this motor is that it’s from an AUTO zx, so it come with a clutch cooler and an oil cooler, both which didn’t come with the Manual cars. So, I’ll have the benefit of extra cooling parts without needing to go aftermarket. I just need to ditch the auto flywheel for a proper m/t one, and change the bushing/bearing.

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The hairdryer
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First thing I did was ditch the Air conditioning. I may regret it later with summer coming up, but the lines in the engine bay were cut anyway so that would be more money out of my pocket to get it working rather than just hooking it up again. Removing it makes the motor look cleaner anyway. (and shaves a few pounds…. Power/weight yo!) plus I have T-Tops!

Bolts and Nuts that have been sitting untouched for ~30 years (motor is an ’86, ar is an ’84) really need some “convincing” to be removed…and now I see why it’s sort of a given that you need to replace the studs on the exhaust manifold after you remove it for the “first” time…. All but 3 of them came right out. Luckily none broke, and the only bolts I stripped were ones that are easily replaceable.

Due to my inexperience and the lack of organization of my friends’ tools, it took me ~4 hours to remove a few things from the motor. This included spraying PB blaster + waiting, searching for the right extension, staring and trying to figure out what needs to get removed first in order for the thing behind it to be removed…
However, I’m glad I stripped it all down.

All the gaskets should be in by Friday, and I should have them replaced, new plugs in, new timing belt/tensioner and hopefully all other motor “stuff” finished by this weekend, including the harness wiring. Hopefully I can even attempt to drop the motor into the car by this weekend!



BODY!
As for the car itself: ready for paint/dip
Going with an Aluminum/black two tone with silver metallizer gloss topcoat.
factory look with a little bling. Sort of like the GTR super Silver w/ black on the bottom.

Sprayed some aluminum on the headlight cover/fender to test it out. It should look great with about 4 more layers and some silver metallic flake.
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Plastidip gallons cost a lot more than I thought, but it’s still cheaper than getting the car painted. After all, this is sort going to be a drift car/car to tinker with. However, after masking the car all up and preparing for paint, I found out it would cost me $500 to get it dipped “professionally” so I said “screw it” and I’m going to do it myself. We have a compressor in the shop anyway, I just need a regulator and paint gun with a 1.7-2.0 nozzle. (I know it sounds “easy” but we shall see)

For Dip materials in the color I want, it is still about $300. Maybe I’ll hold off until after the motor is in since there are still things I need to purchase (plugs, fluids, etc)

The parts for the Kouki front in came in, but one of the headlights is cracked and I need to wait for a replacement. The hood also needs some body work. I may hold off on these for now until the car is running since I would rather devote time to that.

I also haven’t even begun to work on the modified rear bumper w/ license plate recess, although I have everything I need to get it done. Again, I’d rather devote my time to getting it running

So, how the car sits while I’ve been wrenching away at the motor:

dat bondo
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cut out the rusty section. There was much less rust through the metal than I cut, but at least the rear valence covers this area :-/
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kouki bumper:
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PERFORMANCE PLANS
As far as plans for the car, popular upgrades are Holset HX35 turbos “relocated” to a top mount location for cooling / awesomeness. However, that’s another ~300 in piping (ss) then the downpipe needs to be altered, another ~$300. For now, I just want to get her running, so it may be best to use the factory turbo in the factory location and turn the boost up a bit with a manual boost controller. I have an intercooler for it (plus the oil cooler!) , so this should be good for ~9-13 safe psi now until I have the money to throw at aftermarket goodies. Plus the stock ECU map doesn’t really handle boosting over 13psi, - the car will run too lean. This should set me at approx. 275hp at the wheels with an open downpipe.

The goal now is to do maintenance, drop the motor in, and get it running. The car needs to be running for the aftermarket goodies to do anything, anyway.

So, this is where the project stands. Tearing down the motor, waiting for parts to arrive, but still trying to hurry this along to get it running very soon.
Unfortunately, this week is a little busy at school so I’ll probably only get 1 day in besides the weekend. This gives all the parts time to arrive, however.
 

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All the gaskets came in, so I took a day off studying for finals to try and get few of them out of the way.
Did the valve cover gaskets and got to the intake manifold gasket (also removed the exhaust manifold and have the gaskets ready)
Painted the valve covers in Gold to match the 50th AE gold trimming around the car, and did those gaskets. I think I may do the spark plugs before putting the intake manifold back on, plus I want to polish it up a bit more.
It seems like somebody has been in here to replace these gaskets before. One of the valve cover gaskets was very new, while one of the heads also seems to be newer than the other (although the EGR is on the 'dark' head so that may be the reasoning for it's color)
A lot of the bolts also seem to be new.
I'm happy about this - seems at least one of the previous owners was taking care of the engine.

Ran into some issues because one of the guys let our neighbor use the engine crane so I couldn't move it up to the engine stand to access the oil pan etc.
(changing those gaskets too)

It's also an issue to find the correct size bolts to mount the transmission to the motor, and the motor to the engine stand. The local places didn't have the right size.

Anyway, here's some pics.
Finals are coming up so I won't have a chance to work on the car until afterwards.

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