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five&dime

Z31 N/A RB project

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Spoiler is finished. Undercoat is also done. Now just finish buffing and paint/install the trim and rubber door/t top seals and she comes home. I would imagine 7-10 days. He also notched the frame rails and welded in some metal to box it in so that the control arms can have full clearance just in case I ever wanted it to almost lay frame. Not that I ever will but I wouldn't ever want to have to go back in and have it done. 

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The engine bay is being wetsanded and buffed now and it's looking incredible. The rear subframe is cleaned up and installed and the front subframe will go in tomorrow. All that is left is the body to be wetsanded/buffed, the cargo bay will sprayed in the safari gold, the tail panel to be sprayed the trim color and the body panels/door rubber and T top seals to be installed. I am hoping it will be towed to my friends house on Sunday but might be a stretch.

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These photos don't do it justice. He wetsanded and polished the entire bay and it looks better than most cars exteriors. It will be a full roller soon and will be done between Sunday-Wednesday. Yes, I know the camber plates are rotated 90 degrees. He thought the bolt pattern wasn't symetrical. 

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Tail panel painted matte pewter to match all the trim and spoilers. The car and most of the hood is wetsanded and will all be final buffed tomorrow. 

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Ready to begin wiring, engine and trans install at my good friends before it comes back to my house for final assembly. 

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Just incredible.....maybe going to be the most impressive Nissan in the country. This will bring a new interest in the Z31!

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On 3/27/2020 at 8:17 AM, Diseazd said:

Just incredible.....maybe going to be the most impressive Nissan in the country. This will bring a new interest in the Z31!

Yup and Yup! Very, very impressive.  

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Thank you!!

We hit a snag in that when I ordered Japanese 200ZR RB mounts, only the RH side was still available. I found that R31 Skyline mounts appear to be almost idential so I found a used set in Japan but also found a guy in the US who built a 200ZR and just so happened to trace the pattern of his mounts along with dimensions. He sent me those drawings so between the used R31 mounts and his work, we should have no problem creating a RH side mount. In the meantime, the guys working on my naturally aspirated throttle linkage have also been making testing out the composite velocity stacks. They turned inner and outer molds on a lathe and made the first test out of carbon so as not to use up the carbon/kevlar. It broke when removing from the mold but they are researching better ways to release them. Also, while updates to the Z31 are on pause, I figured I would post the link to my Super Street feature on the R30 Skyline along with some photos I took yesterday myself. I got up at 5am yesterday to get out of the house and practice shooting. I have been working hard to hone my photography skills and it has paid off as Super Street wants me to do a feature on my good friend Chris's (the owner of Japanese Classics) Datsun Roadster! I couldn't be more excited about that and feel honored!

 

http://www.superstreetonline.com/features/1984-nissan-skyline-hr30/

 

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Still waiting on the engine mounts from Japan but the engine is getting really close to being complete. Just waiting on the Ross water pulley to arrive along with the LS alternator kit then I just need an alternator and starter and that's about it. I have a tinted acrylic Watanabe oil cap on the way too. The next photos are of a Nissan D21 hardbody speedometer sensor which fits the NOS R34 5 speed transmission since the Skyline uses an electronic speedo and the Z31 uses a cable. I will just need to figure out the correct gear once the car is driveable. Lastly, my R30 parked next to a JDM Supra at my friends house and then a night shot I took of the 30 as well. 

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Posted (edited)

 

 

Engine is going in the Z next weekend! I had all the aluminum parts on the engine vapor blasted and cannot wait to see them back on. 

 

While we wait, here is a cool video of the Skyline along with the dyno run. 

 

 

 

Edited by five&dime

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All my intake parts, vaccum rail, water necks and wiper motor housing have been restored and holy $hit! He also removed the bosses off the top of the vacuum rail that the stock harness case mounted to since everything will be tucked. Then he re-textured. All aluminum was vapor blasted and coated with corrosion inhibitor, all re-plated hardware, OEM sticker and factory paint/QC marks. It's incredible!

First photo is how they looked when I got them. And remember, the ITB's were bored to 48mm and the intake manifold was port matched to the ITB's and head work. 

 

Engine will be in the car Sunday or Monday!

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Got a lot of work done but didn't have enough time to get it in the car today. Swapped out all the front incorrect hardware with the proper fasteners, modified the front heater hose port to go straight back instead of out, swapped the clutch mechanism in the trans from pull type to push type, drilled and tapped for new slave cylinder location, drilled the plug out for the rear sump dipstick tube, installed the pilot bushing, flywheel and clutch along with the transmission. We have decided to put the crossmember on the engine and then put everything in from the bottom. 

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Turns out the NA 300zx crossmember doesn't work ? I thought I checked the part numbers and they were the same with NA 300 and a ZR. I have found a full ZR drivetrain in Japan that I am trying to buy though and then will have my guys there strip all the parts I want off and trash the engine/trans etc. 

We did install all of the accessories and only the starter is left. It looks so good! Coffee table worthy. 

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No, I want to keep the engine bay as clean and minimal as possible. I don't really use A/C in anything but my daily drivers anyway. Always prefer to just put the windows down. 

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The ZR crossmember is in the US from Japan. Just need to get it coated and then the engine can go in the car. I have a complete extra set of OEM parts needed to swap an RB into a Z31 as well so will have those coated and sell the set on ebay for quite a bit since you just cannot find the parts. Took me a year to get them all! 

Finished the wiper motor restoration and very proud of this one! It came out better than OEM!

 

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RB is finally in the Z31! My buddy modified the OEM trans bracket to work and the shifter on the R34 transmission lines up dead center in the Z31 hole! We did run into an issue where the Z31 3 row radiator I bought will not fit so wil have to go full custom from the company that will be making the header and exhaust.

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Need a rag to wipe drool off my mouth... keep the updates coming.

 

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Thanks, Jeff! I am going back over to work on it Sunday. We are trying to get the masters on, wiper motor in, pedal assembly in and the heater core so the dash can go back in. Next month it will go up to MD so that Freed engineering can build the custom one off Titanium Octopus header and full exhaust. It will be work of art and sound similar to a sport bike/F1. Ti has such a unique and exotic sound in addition to looking beautiful and saving weight. 

It's about time to install the Infiniti M30 rear R200 VSLD 3.91 diff along with the new S14 240sx CV axles I ordered some time in the next week. 

Here is the S13 240sx slim brake booster which was powdercoated, the new brake master cylinder, the freshly plated hood hardware and coolant connecting pipe as well as the freshly powdercoated coilover top plates. The green clashed with the look of the car so I had them done gunmetal. 

The place in Sweden has finished 5 of the 6 carbon kevlar velocity stacks so they should be on the way soon too. It's coming into the final stretch now. 

 

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It has got to feel so good to go, budget, what budget!

That and a great vision!

 

 

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Eh, I don't know that I would say it feels good on the budget part ? It's a slippery slope building at this level and then you get to a certain point where you just can't cut corners. I don't intend to ever build a car to this level again to be honest. Too much time, effort and money. I tend to like to build a car I can either break even or make money on. This will have little to no chance of either. 

But I do enjoy the build and part of me is getting bummed out that it's getting close to being done because it has been such an amazing journey. 

Edited by five&dime
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Velocity stacks are made and should be shipping to me this week. 

ITB's are torqued and the nturally aspirated linkage is installed along with the TPS. 

The wheels fit (barely) with the 20mm spacers. You can hardly fit a business card between the back of the spoke and the caliper. These tires are too wide as well so will be able to get pretty low with the 195's. Got the diff and axles in as well. First day in a long time working on the car where everything just went as planned.

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