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scheerluck
Posts: 4
Joined: 05 Sep 2016 08:27
Location: Maryland - Baltimore/DC/Annapolis

Hello

Postby scheerluck » 05 Sep 2016 09:49

I picked up '72 510 4-door a few months ago. I have been looking at 510s for a few years now, and got the go-ahead from my wife when there was one for sale nearby (baltimore/DC/Annapolis).
It needs a lot of work, but my sons are starting to get to the age where they can help out. It will be a great project car to work on with them over the next few (many?) years.

I've done lots of little mechanical things before, but nothing too intense (engine rebuild/swap, etc.), and am looking forward to getting a little more hands-on.

I've had some fun cars in the past (Beetle, MR2 turbo, etc.) that helped me gain a love for cars.

My plans: Keep the L16 in it and running while I do body work, electrical, suspension, brakes, etc. before an engine swap. I'd like to have it running so I can have some fun with it during whole rebuild process, as I'm sure this will take many years. Then I'd like to go a little bigger with something with some more power, maybe not anything too crazy. I've been pondering my engine options, I'd love to do an ecotec (or similar) but that will likely not happen. I will likely go with a supercharged ka24de (or turbo). Considering the sr20det, but haven't fully fleshed out the sr vs ka pros/cons.

What I've done: Replaced rear brake shoes/pistons. New clutch slave cylinder. Rebuilt carb (dch340), still not running right, will likely do the weber convert, but am having trouble spending $300 on that when I could probably pick up a used ka24de for not much more. Replaced fuel line/filter from filter to carb. Replaced vacuum hoses all connecting to carb. Adjusted valves, ignition gap.

The car started up after I did the above. I've driven it around the block, but that's about it. Doesn't want to start really easy, and will hesitate when I give it a bit more gas to accelerate.

Thanks for any help you guys/gals give in advance, as I'm sure I'll have questions.

Derek

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okayfine
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Posts: 14082
Joined: 12 Nov 2007 23:02
Location: Newbury Park, CA

Re: Hello

Postby okayfine » 06 Sep 2016 06:15

Hello Derek and welcome to The Realm. If you could put your location in your profile, that'll help us know where you are once you move beyond this thread.

If you've been lurking for a while, you may be aware of the tons of 510 information stored here and linked from here (like The 510 Archives). I'd suggest stocking up on various stock-based information like wiring diagrams and the "How To Keep Your Datsun Alive" book which will help with lots of stock troubleshooting and repair.

But The Realm can also help out as well.

On the future engine choice, most KAs at this point will benefit from a rebuild before use...the days of finding a minty engine an SX guy is tossing because he's upgrading to SR are pretty much over, and even the newest KA was made in '97. It just adds to the cost, is all. Not seen any S/C KAs, though there are a couple S/C builds in perpetual build status here on The Realm.

Feel free to post up some pictures.
Because when you spend a silly amount of money on a silly, trivial thing that will help you not one jot, you are demonstrating that you have a soul and a heart and that you are the sort of person who has no time for Which? magazine. – Jeremy Clarkson

scheerluck
Posts: 4
Joined: 05 Sep 2016 08:27
Location: Maryland - Baltimore/DC/Annapolis

Re: Hello

Postby scheerluck » 20 Feb 2017 19:45

I've been slowly working on various aspects, mostly trying to get it running and safe-enough to drive on the road.

This is how I got her.
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I could never get that DCH340 tuned right, so I ended up putting a new Weber 32/36 on it. To be honest, I'm not sure about capping off a couple of those vacuum tubes. I may ask for some advice, as there were two I capped without really knowing what they were.
Image

I gutted the carpet trying to clean up the interior some.

I picked up some 280zx struts/brakes. Spent a good amount of time trying to get calipers/brackets sourced. I haven't put them on yet, as I believe I'll need new rims that clear the calipers, but I'm not quite to that point yet. Plus, there's a bunch I need to do before that (replace strut oil, etc.)

I've done a bunch of other random stuff. I found out the hard way that the hood latch was not functioning at 100% capacity. Bent up the hood pretty good, and smashed up my wiper arms too. I'm just glad it didn't crack the windshield.

Tried hard to get the grill bent back in shape. It was bend up from some previous fender bender. I decided to do some slight fabrication. I was going for something similar to the Bluebird look. I like the aggressive look, without the $1000 price tag. It's still not perfectly striaght. After some paint, not the best, but it's growing on me.
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Anyway, it's slow going. But I'm making progress. With the gas leak, hood latch, brakes, and carb fixed, I took her out to the store today. It felt good :)

qwik510
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Posts: 3116
Joined: 29 Oct 2006 18:51
Location: Maryland - East Coast USA

Re: Hello

Postby qwik510 » 21 Feb 2017 04:30

Hello and welcome Derek,

Nice to see another 510 owner in Maryland. I remember this car from Craigslist. I believe it was in VA near Leesburg. I went and saw it. From what I remember, it looks like a good project.

I like what you did with the grill. Very unique.

I am right down the road in Silver Spring. I am the organizer for the East Coast Datsun 510 meet. We hold it every spring at Summit Point Raceway. This year will be the 21st Annual.

You should try to come. May 19-21

If you need anything, let me know. I have lots of parts here.

301-651-7788

David
Enjoy The Ride!
David
ImageImage

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okayfine
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Posts: 14082
Joined: 12 Nov 2007 23:02
Location: Newbury Park, CA

Re: Hello

Postby okayfine » 21 Feb 2017 06:45

Nice work with the grill. Point out the vac hoses you're not sure about and we'll try to help you out.
Because when you spend a silly amount of money on a silly, trivial thing that will help you not one jot, you are demonstrating that you have a soul and a heart and that you are the sort of person who has no time for Which? magazine. – Jeremy Clarkson

scheerluck
Posts: 4
Joined: 05 Sep 2016 08:27
Location: Maryland - Baltimore/DC/Annapolis

Re: Hello

Postby scheerluck » 21 Feb 2017 20:02

I'll definitely try to make the East Coast Datsun 510 meet. I may be slated for a work trip, I'll get out of it if I can.
It's nice to know you have some parts, I appreciate it and will likely be asking around if there is something I can't find.

Yeah, there is pretty slim pickin's on the East Coast. I saw this one in Leesburg, and it turned out to be in reasonable-enough shape. I've been on the fence for a while, waiting for something to show up that was close enough to see, and within my budget. Once I got the "OK" from the boss, I pulled the trigger.

The blue and red vacuum caps in the picture below, are the ones that I wasn't really sure about. Or the black tube that is hooked up, for that matter.
Image

I do have the vacuum advance and the valve cover tube hooked up.
To be honest, I haven't searched too hard for what those vacuum tubes are, since it started running great after I bolted it on and tuned it, it kind of fell on the back burner.

Thanks for any help,

datzenmike
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Posts: 5154
Joined: 24 May 2006 12:40
Location: Van. Isle.

Re: Hello

Postby datzenmike » 22 Feb 2017 06:32

The Blue capped line would go to the air filter snorkel and temp sensor to regulate inlet air temperature by mixing heated air from the hot exhaust manifold with outside air. It prevents carb icing on cold damp days and keeps the engine in a controlled ait temperature environment. It's like driving around in 80 degree weather even when it's 30 out. If not used it must be capped.

The red cap simply goes to the air filter to filter the air going into it so don't plug it as this is the source of the make up air going into the gas tank as it empties. The third pipe goes back to the gas tank and allows fumes out or air in as the tank empties. If you seal it the tank might collapse or the fuel pump will struggle to suck more gas out.

The long small black hose goes to the engine crank case vent tube and must be connected. This is where the gas tank fumes go to be drawn into the PCV valve and burned.
"Nissan 'shit the bed' when they made these, plain and simple." McShagger510 on flattop SUs

scheerluck
Posts: 4
Joined: 05 Sep 2016 08:27
Location: Maryland - Baltimore/DC/Annapolis

Re: Hello

Postby scheerluck » 22 Feb 2017 19:32

Thanks datzenmike for the help with the vacuum tubes. I'll get that gas tank tube hooked up as soon as I can.

Do you see any problem with removing the "throttle switch"? From what I found, it was used to reduce emissions and just switched the distributor points to retard timing at a certain throttle position.

I found this thread on the ratsun forums where you discuss it on a 521, but it doesn't quite look the same.

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Byron510
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Joined: 01 Jul 2003 23:06
Location: Maple Ridge, BC

Re: Hello

Postby Byron510 » 22 Feb 2017 23:12

I'll put in two cents worth on the plugging off of the fuel vent lines back to the tank. If all are blocked or plugged, make sure you have a vented cap on the tank. Failure to have a vent somewhere in the system will likely cost you a fuel tank! I know from personal experience. I completely imploded a fuel tank on a wagon when I inadvertently replaced replaced a vented fuel cap with a nicely custom machined by me non vented cap when I had all the emissions lines blocked off. It took all of a 25 minute Hwy commute and a stock Nissan EFI fuel pump. When it was over in the driveway, leaking all over the place, the tank looked like it had been driven over by a large truck. Hard way to learn, so I'm passing on my experience - keep that tank vented in some way :-)

Byron
Love people and use things,
because the opposite never works.


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