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10 years after hybernation - '75 280z
tamo3 posted a topic in S30 Series - 240z, 260z, 280zI just picked up 1975 280z. Body condition was amazingly good and minimum rust. Only small dent on the passenger's side of the door and fender. The goal for this project is phased project. 1. To run the engine 2. Fix minor rust 3. 240z bumper and tail light conversion 4. Fuel injection to Triple weber swap. 5. Paint the car Let's see how much progress I can make monthly...
Gas tank and fuel system restore
406-LS1-280Z posted a topic in 6 Cylinder Z ForumsGreetings from Montana. This is my first post so let me know if it's helpful. So my '75 Z has been sitting in a garage since 2013 on account of the clutch pedal lost its pressure and the fuel system was all gunked up with rust. I went off to school so I had no time to work on it. I came home this summer and have been working on it for a month or so now when I can afford it and have the time and finally this weekend it should drive once again! I came to the conclusion that the priority would be the gas tank and fuel system. So I dove right into draining the gas and stripping the tank from the car. What I had found next was a nightmare. Layers upon layers of rust in the gas tank! First thing I did was sloshed around quite a few nuts and bolts with some old gas and banged on it very carefully with a hammer to break some of those rust chips up. I drained what I could of the broken rust pieces and began my search for a cheap alternative for a rust removing chemical. Come to find out, white vinegar works wonders if you submerge and soak rusted metal for a couple days. I got 17 gallons of the stuff for 2$ a gallon at costco because you will want to fill the entire tank to prevent flash rusting on exposed metal. I filled the tank and sealed it all off with duct tape except for the small tube at the very top of the tank so it could breathe the fumes. I let it soak for 3 days like this and I would suggest placing whatever you are going to drain the vinegar into underneath the drain plug BEFORE you fill it because you won't be able to lift it yourself after it is full of 17 gallons, unless you are Hulk Hogan. Once you are satisfied with the amount of time it has soaked(anywhere from 24 hours for minor rust to 3-4 days for caked on rust), unscrew the drain plug and commence draining. After all but about a gallon or so has drained, grab hold of the tank and start rocking it back and forth and 360 degrees, slowly to get all the flakes to drain. You could bang on it with a rubber mallet or hammer again as well. Once it's all drained, take your phone camera and put it on video with the flash on and poke it inside the sending unit hole. You will be amazed looking around at how well the vinegar works. You will see mostly bare metal. Unplug all the holes and allow it to dry for a day or so. I taped an air compressor blower to one of the holes to give it a blow dry for about an hour right after I drained the vinegar. There will be flash rusting and there is nothing you can do to avoid that unless you wipe it clean with a rag right after it has drained, which is impossible with a gas tank. But don't worry the next step will cover that. Now go to your local car parts store and ask for a liquid gas tank liner, any brand will do. Make sure you read the directions and get enough, especially if you want to do 2 coats. They usually come in 1 quart cans that will usually only cover about 12 gallons. The brand I got was this way. For my '75 280z the gas tank is 17.2 gallons so I had to get 2 quarts. Once you are satisfied that your tank has dried completely, it is time to put your first coat on. Look inside your tank and you will see that it has a divider to the skinny part of the tank. For this reason, I plug all the holes except for the sending unit hole on the tall part of the tank and the gas outlet hole on the narrow part of the tank. This allows you to fill both halves without worry of missing a spot with the coat. You need a good funnel for this stuff. Fill the narrow half with one quart first because it takes longer. Then fill the sending unit half with the remaining quart. Plug the remaining holes. Very slowly roll the gas tank around in your arms 360 degrees on all planes for about 15 minutes or until you think every spot has been touched by the good stuff. It's kinda like the consistency of molasses and it dries like a rubber glove so be thorough. After rocking it around on all planes I would let it sit on it's bottom for 5 minutes then on it's side for 5 minutes then on it's top for 5 minutes then on the other side for 5 minutes and back again on the bottom. I did this for an hour or so while I was changing the oil. I wanted to make sure that bare metal would not show. Once you are satisfied, place it on top of some saw horses or an old cooler or something and place one of the liner cans under the drain plug and unscrew it. Remove all plugs so it can dry evenly. On all the small openings, I took my air blower and blew a small amount of air through to make sure the liner didn't plug them. I would highly recommend this. Let it dry for a day. Come back and check to see if it dried evenly. If there are bare spots, do a second coat, if you have enough left over liner. I did anyway. Let it dry for a day and a half just to be safe. This next step isn't necessary but I recommend doing it since you already have the hunk of junk out. Get a can of rust proof spray enamel from your hardware or car parts store. You could get any color you want. I just got black cause I don't know what the paint job will be on the car yet. Tape all the holes, Air blow it free of debris and sand the rusty spots, air blow again, then commence spraying the enamel. Let it dry. Now that the gas tank is complete, check all your filters. My Z had a small filter between the outlet and the fuel pump. When I took it out, it was pack full of rust to the brim. I have looked all over the market and can not find a part to replace this filter. I tapped all of it out and submerged it in vinegar as well. There is a strainer between the fuel pump and the fuel line to the block. I removed that and soaked it in vinegar. I installed a new fuel pump while I had the gas tank out. And there is another larger fuel filter by the engine block under the hood. I just got a new one of those for 20$ and installed it. Once your tank is completely dry, put it all back together. I suppose you could seafoam the system and bleed it if you want to go a step farther. I probably won't since I know the gas tank is good and that is the source of bad gas. I figure any bad stuff that remains will get washed out and burned off in a day of driving. Thanks for reading my first post! Hope it helped!
300zx 50th Anniversary key uncut
Stevenmaurizzio posted a topic in Miscellaneous TechI have two 50th anniversary keys that are uncut for sale in the oem box from Nissan with plastic wrap still in tact. One is sold. Still have one left. Need these gone asap for bills ):
280z Widebody V8 Project
dashpot posted a topic in S30 Series - 240z, 260z, 280zHey Everyone, After months and months of consideration, my 1976 280z is getting a new life. I've had this car for 2 or 3 years and have had it mostly running, but keeping finding small anomalies that turn into more and more fixes, and more questions about what the POs were trying to do with it. Well, my OCD has had enough and it's time for me to know every square inch of this car and have it the way I want it. I'd like to share this project no matter how it turns out, whether it helps someone else, or any of you all want to throw in your 2 cents - I would appreciate some veteran knowledge. Wants: 300+bhp, decent handling, decent brakes, keep it classy looking with exception to wide-body mostly for grip, mostly stock looking interior with sound deadening and added comfort, a much cleaner wiring layout that's color-blind friendly. To achieve all this, I was initially trying to decide between an S54(M3) or LS swap. After some research I'm definitely leaning towards LS with my skill level and budget. I know there's nothing original about it, but I have enough battles to fight - I'm going to keep this part easy. I'm still debating between the 280yz or Subtlez kit, and may likely do YZ rear and Subtlez front - I'm not sure I really want to be running 10-12" wheels square. Budget? I don't have a solid number, mainly because I will take my time to do this right. IF this were to creep over $20k, I'm doing something wrong basically. I know there will be "while you're in there" costs, like bushing kits etc. At the moment I'm just tearing it all down and organizing everything in a separate room with bags and labels. I have some unknowns at this point to digest until I get to them - how I want to remove the paint (grind, sandblast, etc), sound deadening (dry ice chisel, sandblast?), and any remaining adhesives/insulation (sandblast?, chemical?). I read sandblasting the exterior could cause some warping issues, but I haven't dug that deep on that specific subject yet. Anyway, I'll keep this updated, and hope to learn a lot and help anyone else doing this as well. Thanks
First Z, First turbo/restoration project
Ja1991 posted a topic in S30 Series - 240z, 260z, 280zHey guys my name is Joe Apostol. I'm pretty new to the Datsun scene. I live in Lansing, Michigan and in November of 2012 I purchased my first Datsun. I bought a 260z that came from North Carolina and looked like it had sat in the woods for a few years. I picked it up for $2300 with 80k miles, an l28 and 5 speed swap, rear disc brake conversion and it also came with a new exhaust and all new suspension/bushing throughout. I drove it for the first day I owned it and then put it in the garage and started working on it. Updates will be every couple weeks as I work a lot and am a full time student. So here are the pictures. I look forward to your comments and any advice you may have. Thanks The day it arrived at my house. I bought it and had it shipped to me Gutted it later that week Took out the center console and tried to fix some of the cracks so it wouldn't fall apart. I plan on buying a new one eventually Started installing carpet ripped off the exhaust cut a piece of the floor out and welded in a new patch bought a non webbed non egr manifold. Going to port it for the 60mm tb I bought Cut a hole in the turbo manifold so I can weld in my wg Installed the new cylinger head, been resurfaced, 5 angle valve job, also installed a cometic mls headgaske and arp head studs The worst of the rust, I cut most of it away since the picture and i'm going to fiberglass over it Brand new Greddy td06h 20g 76. trim Wastegate and dump tube. still have to weld it to the manifold I think that's about it for now.
Refresh of a 72 240z
TopGear posted a topic in S30 Series - 240z, 260z, 280zHello everyone, I bought my Z in 2007 in New Mexico for 600 bucks with what appeared to be not much rust ( and it still is a fairly rust free car). It ran when I put a little fuel in the lines and I did a bit of work to drive it back to houston. Got it back to town and funds dried up after I couldn't get it to pass the state safety inspection. Fast forward to now and things and great I got most of the parts on the surface that I thought I would need. Today the brakes were bled, the back were easy but when I got to the front the front brakes wouldn't bleed. The brakes now have pressure, they didn't have pressure till I bled the back brakes and this was one of the reasons why it didn't pass inspection on top of the wind shield wipers not working. Any hints or tips I was thinking of running air through the lines to clear a possible blockage. Tomorrow I am doing a radiator flush, and sunday I am doing the popular windshield wiper motor replacement with a acura integra motor. Mondays plan is to start her up and get her to pass inspection( then it will be body work and interior ) The brakes were also stuck when I tried to move the car, a little work with a rubber hammer soon had them free, pictures will be up as soon as I can find the folder I put them in. Please people enjoy the thread as I refresh my 240z