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The Perfect

*This is a translation done by a machine.

When asked to name the most popular models in the old Japanese car movement, "Toyota 2000GT", "Nissan Skyline GT-R (PGC10 & KPGC10)", "Nissan Skyline GT-R (KPGC110)", "Mazda Cosmo Sport", and this "Nissan Fairlady Z432" will always appear. The author arbitrarily refers to these five cars as the "old car big 5".

Among them, "Toyota 2000GT" and "Nissan Skyline GT-R (KPGC110)" "Fairlady Z432" are both produced in less than 500 units (Approximately 330, 200, and 420 in order), and can be said to be a must-have item for sports car museums in the world, in other words, "old car best 3". No, it may be the top 3 in Japanese car history.

As a result, their value has grown significantly in recent years, with both models actually trading at $300000 ~ 600000 (Depending on the degree and specification). The price alone does not determine the value of a car, but behind the fact that these three cars have maintained an extraordinarily high market price is their unique storyline and high merchantability (design and engineering), as well as the fact that they meet the global requirements of first-class collectors items such as "Production of 500 units or less".

Two of them are Nissan cars, and they are S20 engine models. Based on Prince's racing engine, the S20 engine has already become a collector's item. Not to mention the splendor of engineering, it is popular for its rich storyline, such as the merger with Nissan and the success of Skyline GT-R (PGC10 & KPGC10).

This is an essential sub-story for the creation of the Long Nose & Short Deck Fairlady Z, as seen in the plan of the upper management to install such an engine in the Fair Lady (not the old Prince Skyline,), a sports car that can be said to be a representative of Nissan. It is also said that the existence of the S20 engine helped Fairlady, which had been a 4 cylinder sports car, to implement the Z plan secretly.

However, the S20, which had a sophisticated mechanism and was not at all easy to handle, could not be installed in a mass-market model, so the standard model was fitted with a rugged and easy to handle L-type six-cylinder engine. While the North American version is equipped with the powerful 2.4 liter version (Later, it developed to 2.6 liter and 2.8 liter.) of the L24, the Japanese version is limited to the 2 liter L20 from the tax point of view. Instead, the S20 engine, which is the same 2 liter engine but with higher performance, was used for the highest grade (the 240Z was later added to the Japanese market. It was at this time that the famous "240ZG" was born.)

The highest grade was Z432. The meaning of the number is well known as "4 Valves, 3 Carburetors, 2 Camshafts". In other words, he gave the car a name that declared it had an S20 engine.

When the Fairlady Z was introduced in 1969, the standard model was 840,000 yen, but the Z432 is 1.82 million yen, which is more than double the price tag. Because it is said that half of the vehicle price is the S20 engine price. The starting salary of a university graduate was about 40,000 yen, so it is about 5 million yen for standard and 10 million yen for Z432 in modern sense.

With the Z432 emblem, the Fairlady Z quickly becomes a car lover's admiration, partly because of its motorsport exploits. As with the later 240ZG, modifications to the standard model were very popular at the time. Even today, its popularity has not diminished, and it continues to hold a steadfast position as one of the representative cars in the history of the Fairlady Z.

A very small number of Z432R with special specifications were also produced as base vehicles for motorsports. It is said that there are more than a dozen of these cars in existence, and the value of these cars is rising steadily, and they are now being traded for more than $600,000.

Only 419 units of the Z432 were manufactured until the end of production in 1973, when the oil shocks worsened and emission regulations were tightened.

Q&A with owner A and Jun Nishikawa!

Nishikawa (The following is written as "N"): The owner A's S30 collection key performer is now available. I heard this silver Z432 is very famous among enthusiasts.

Owner A: It seems so. The body number is 88, so it must be a very early PS30 (Z432), probably made in January 1970.

N: Earlier, I was shown a copy of the magazine. It seems to have appeared in many car magazines at that time.

A: When I looked into it, a company in Ginza was the first owner.

N: Is it Ginza? There was Nissan's head office there. Most of them appeared in multiple media like PR cars. If you are S30 mania A, do you think it is natural to meet?

A: Not really. I was fascinated by the S30Z in America and drove a left-hand drive 240Z, so I almost hated being featured only in 240ZG and Z432 in Japanese magazines. I wanted them to stop talking about the S30 without looking at America.

N: Indeed, only the Japanese exclusive model was treated like a famous car. And most of it was exported to North America.

A: I'm not interested in the Japanese model! But at a certain point I began to think that maybe I just didn't know the charm. So, I made up my mind to ask them to put me on the Z432 owned by my senior at the owner's club. It happened to be a silver Z432. Just listening to the rhythmic engine sounds like a completely different car. And the magnesium wheel was very cool.

N: It's true that it feels like something else. How was the ride?

A: I felt it was amazing. I had imagined a high-revolution type engine that was difficult to handle, but it wasn't so bad. Rather, I felt that the car would move forward more often than the North American 240Z when starting or at a low speed. When I stepped on the accelerator, I was instantly knocked out by its smooth engine feel and sound.

N: I also drove Mr. A's Z432 a while ago, and I thought it was different from other Z because of its spartan ride with a heavy clutch and well-fixed underbody.

A: That's right. It's the exact opposite of the North American 240Z, where everything feels soft. The feeling that all three pedals require muscle strength and the direct motion and reaction of the body are all driving sports cars! It makes me feel like that.

N: In particular, Mr. A's car was restored based on the originality principle, so I think it has reproduced the atmosphere of a new car well. How did you get this car?

A: After I was shocked by the Z432, which I took a test drive for the first time, all I thought about was the Z432, whether I slept or woke up. It was around 2007 at the time, so it was before the price spike, but even if it wasn't, it was still very expensive compared to the 240Z. So I came up with a plan. I thought that if I had that engine, I would get the same feeling, so I thought of replacing the blue 240Z engine with the S20. However, the S20 for the Z itself was not sold at all. It was only for GT-R. It was difficult to procure Z parts such as oil pan, strainer, exhaust manifold and engine mount. At that time, the shop owner, who was talking with me about the S20 engine, told me, "You'd better force yourself to get the real thing.".

N: Since you are so authentically oriented, you've hit on an important point.

A: Shortly thereafter, the shop contacted me to tell me that they had a Z432 just before they took it all apart and put it back together. When I rushed in, it was a valuable early model Z432, almost all of which were original parts. Just imagining "I can't believe this car is in someone else's hands ...." was enough to break my heart. I thought that if I missed this, I would regret it for the rest of my life. I desperately collected money and managed to buy it.

N: I know how you feel. Strangely enough, it works.

A: I think it was because of my ability to take action. After the Z432 was completed, we took it to ZCON in 2014. As a result, I received a class win in recognition of the high level of restoration of this car.

N: Once again, please tell us more about your Z432.

A: First, let me tell you the characteristics of Z432. Because there are many people who think that only the engine is different Z. Actually, it is not too much to say that there are almost differences except for the body and interior design.

・Stainless steel exhaust manifold with independent branches
・Dual Pipe Muffler (dual pipe from the exhaust manifold contact to the end)
・Transistor ignition system
・Light weight aluminum radiator
・specially designed air cleaner box
・FSC5C71A 5-speed transmission (gear ratio is the same as other grades, but with a reinforced mission case for the S20. The speedometer removal kit also features a 90-degree adapter for greater durability.)
・Gear ratio: 4.444  R192 differential gear with integrated LSD
・4-wheel coil spring with increased spring rate
・Stabilizer on rear
・Gasoline tanks without return pipes (The feed pipe has a larger diameter than usual.)
・An electromagnetic fuel pump is installed at the side of the gasoline tank instead of in the engine room (to avoid heat damage and increase discharge power)
・Magnesium wheel, dedicated straight nut
・The Z of the horn pad on the steering wheel is red
・10,000 rpm tachometer

N: What a difference!

A: Right? Also, this 88 was produced in January 1970, so there are some specifications close to the very early model of 1969.

・All metal emblem
・Tail gate with air outlet
・Holeless C-Pillar Emblem
・Choke lever and hand throttle levers on the center console
・Plastic tool cover behind seat back
・Holeless steering wheel spoke
・Flat map light cover without Sunshade
・Center air vent with simple 3 louver
・fasten one's seat belt hook to one's seatback
・Stylish round chrome coat hanger
・Interior mirror stay with beautiful leg length design
・Dual eight-track speakers
・Spark plug wrench (Only the Z432 is mounted as an in-vehicle tool)

N: This is great, quite different.

A: And this car also had the following genuine options.

・Oil cooler (standard equipment for the Z432R)
・Rear spoiler (Unique early model with two vertical ribs)
・A very rare fog lamp
・Fog lamp switch
・FM Pack (device that plugs into an eight-track deck instead of tape and receives FM signals)
・Headlight cover (I keep it without wearing it. The screw position is the initial model.)

N: These collector's items are now appreciated for the uniqueness of the genuine option. And we are in excellent condition that we won the ZCON class.

A: Needless to say, the exterior is clean. The side stickers are homemade. Dashboards are very clean as they were at the time. Some of the sheets were in very good condition, but I have preserved them carefully. The sheet I am using now was restored separately. This is not fake either, and I asked a craftsman in Tokyo who miraculously had the original fabric of that time to make it as firm as a new one. The seat of S 30 has different thickness of backrest between the early model until the middle of 1970 and the one after that. The initial model has a puffy shape. Few people realize this difference.

N: The S20 engine was in excellent condition.

A: The engine also has fond memories. In Imari City, Saga Prefecture, there was the famous "Racing Service Watanabe" in the world of S20. I had been wanting for a long time for people to see my Z432, and it was six months before Mr.Watanabe passed away (2018) when my wish came true and I drove it from Nara to Imari in one go. He was very kind and gave me some easy to understand tuning tips and checked the carburetor, ignition timing, undercarriage, etc. I still have a video of that time well preserved. Surprisingly, within a few seconds of Mr.Watanabe starting to check, the S20 engine clearly got better. I'm sure the car was relieved too. They carefully adjusted the details from there. The idling speed is 1300 rpm, which is rather high, but according to Mr.Watanabe, "This is just the right amount for this engine. The maintenance manual says 950 - 1050 rpm, but it makes it easier to drive in town and uses more fuel.". It's true that it's easier to start the car than before, and there's no need to worry about the water temperature at traffic lights on summer days. The fact that the plug gets wet with fuel while waiting for a traffic light is also irrelevant to this car. I wanted Mr.Watanabe to tell me more about S20 ....

N: The Z432 is full of memories. Including the other collections (240Z and 240ZG of North American specifications), I think this is a superb car with all original conditions. It is no exaggeration to say that it is part of history. And even though it is a good collection with a high degree of originality, Mr. A has enjoyed driving it around, rather than displaying it. That's where it's great. These are the gem of the S30Z that the past owners have cherished. I am hoping that someone will come along and take over with those thoughts.

Vehicle Specifications

Model Year1970
Year of Purchase1970
Engine Capacity1,998cc
Steering WheelRight
Chassis No.PS30-00088
Engine No.S20-000884
InspectionOctober 2020
AreaNara, Japan
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