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Hi Kats, Yes, I recall seeing you post the photo of your antenna with the Hitachi mark on the metal piece, but I had never seen one on a North American market 240Z. The S30-S I posted the photo of is the only other one I have seen with the mark, so it makes sense it would be from the S model manual antenna. -Mike

Hi Kats, This is a picture of the manual antenna showing the emblem on the round metal piece and another photo of the original Nissan key. -Mike

Sorry I may be posting off topic, I show you a manual extension antenna which would be an alternative choice for someone who doesn’t try to repair his auto antenna. This is for Fairlady Z (std) and export 240Zs which do not have an auto antenna. I may mixed up associated parts which are used for an auto antenna . It may not have a rubber ball , it might come with a die cast scallop ? piece. Kats

Fantastic , Jerry . I hope people in HARADA see this thread and feel our passion for these parts to enjoy our Zs. Kats

Hi, I wrote a message to HARADA Ltd customers relationship, about a request of the antenna mast replacement. I do not know they will reply , I am waiting hearing from them. Kats

Interesting. I got an early electric 240Z antenna a couple years ago and it has the Hitachi Mark. Sent from my [device_name] using http://Classic Zcar Club mobile

No. The brake lines are all female flare fittings. No clue why Amazon claims these work. Get them from Raymond at Apexbrakes.com. Can't beat the price and the quality is great. Also a Canadian supplier

Mike B, what a great news you have a rare one and a super rarer Nissan key !! I too have a Hitachi mark on the metal piece, I think it should go with manual extension antenna as I see your original antenna. I found the black plastic ring which is in between the Hitachi piece and the top rock nut is smaller than the one on the auto antenna. Kats

I thought a few before and after pictures of this latest antenna restoration might be nice. I media blasted the aluminium case with walnut shells polished the used mast, blasted wire brushed and plated the yellow zinc parts. I put together all of the best bits and pieces and put it all back together. A chrome cap for the ball and restore a retainer nut and cap, this project will be finished and on it's way back to the owner.

Update.. I have sent a sample set to Zup for his review and opinion.

Just plain sexy.

I worked my magic and have these ready to reproduce. One is plastic and the other is rubber plus the small finisher nut rubber seal. Should be about a week before I get some samples ready. I will update once I get them finished.

Jesus, When you check the earth wiring, check at the battery as well. The photo I posted is from a 5/77 model. Somewhere in 76 they changed from earthing the body to the battery to the style in the photo. Not sure which month they did it. Yours might be ok, just located at the battery. If that is the case, check the negative battery post for three cables, the large heavy duty cable for the starter, another cable with a connector (ECU ground) going over the firewall towards the brake booster and one going to the body just behind the battery. I made a couple of screenshots to show the difference. Chers

I risked my life in the snow storm we had going out to the car barn to get these photos, so I hope they benefit. The first photo shows the forward supports reversed. The second shows the left panel in place with the cutout for the tire The third photo shows how the sheet metal screw that holds the panel in place, and the screws used to attach the luggage straps. the fourth photo us what you see when you lift the deck. FWIW, there aren't any "secret" or "hidden" compartments in an S30, unless you take out the side panel where the radio antenna is, which takes about 15 minutes to do, so it's worthless, and the antenna is there anyway.