Datsun-240z Vs Fairlady-z432

[HS30-H]

10 hours ago, kats said:

Today I show you a new old stock 5speed gear box “ FS5C71B” which is used for Z432 , Fairlady 240Z series and Skyline GTR . ( this one is specifically derived to Skyline GTR , as a part number 32010-R5530)

After Jan 1972, (for example  HS30-10635 And after )

FS5C71B was applied, but gear ratio was different from other model. Those three types of cars has very nice ratio.

1st  2.906  (3.321 std)

2nd 1.902 (2.077 std)

3rd 1.308  (same std)

4th 1.000  (same std)

5th 0.864  (same std)

Rev 3.382  (same std)

I have a question about export Zs which have 5 speed , are they have this special gear box ? 

Alan , please let us know.

Hi Kats,

Yes, after January 1972 (according to UK market factory documentation) UK market HS30s (and RS30s and GRS30s) received the FS5C71B transmission with the following ratios:

2.906
1.902
1.308
1.000
0.864
REV: 3.820

So, they were the same as yours quoted above, but they had the sliding spline type rear joint instead of the flange type seen on the Japanese market models.

Personally speaking, I love the FS5C71A when it is in good condition and well set up. However, the design seems to have a very short ideal operating window and wears relatively quickly, and then it's horrible! The FS5C71B seems to stay nice longer. 

I think a lot of people only have experience of these transmissions when they are in bad shape, and that's why so many people (especially over here) are changing to later C type transmissions... 

 

[kats]

Thanks Alan ,  UK market is the same as the Australian market , I also checked the parts catalog for HLS30 except USA and Canada . The book says yes, the FS5C71B has the same part numbers for the gears starting from 2.906 .

In Japan, the gear ratio was discontinued after September 1973. Never applied to S30 models again.

I would say the ratio is not rare, it is rare only in Japan, after seeing Gavin and Alan posted above.

I am also huge fan of FS5C71A , first of all,

It has a look , things of beauty.  I can spend hours just looking at the gear box.

Japanese people tend to give up rebuilding the FS5C71A because they think no parts available , they do not know there are some nice parts vender in the US.

However, Mr.Kawashima who did wonderful work for my two FS5C71A now became famous among not only S30 community, also GTR and SP/SR . 

Mr. Kawashima recently started to service for R192 diff , he managed sourcing some NLA shims and bearings from manufacturers in Japan. He even also made special tools for disassemble and assemble.

https://www.vintagecraft-e-za.com/s30zのページ/日産旧車の駆動系レストア/ｒ１９２デフ-その２/

Kats

Edited April 24, 2018 by kats

[Gav240z]

3 minutes ago, kats said:

I am also huge fan of FS5C71A , first of all,

It has a look , things of beauty.  I can spend hours just looking at the gear box.

Japanese people tend to give up rebuilding the FS5C71A because they think no parts available , they do not know there are some nice parts vender in the US.

However, Mr.Kawashima who did wonderful work for my two FS5C71A now became famous among not only S30 community, also GTR and SP/SR . 

I agree I love the look of the 71a box and I love the straight gearstick and how it sits in early S30Z's. Alan actually convinced me to go back to the 71A box in HS30 00150 and I just think it's nice to go back to the original feel and form of the car.

There is Lou Mondello here in Australia (Melbourne) who specialises in the Fairlady Roadsters and as you know they had the same 71A box but different bellhousing. He can apparently rebuild them also and has access to parts.

[kats]

Gavin , you may also want your HS30 10552 to resume FS5C71A more , as you are getting to realize it is rare more. 

There are only 634 or less  “ HS30s with the FS5C71A “  with the NEW center console around the world ! 

And how many automatic transmission HS30s were there between HS30-10001 and 10634 ? As I see the Fairlady Z catalog , Nissan seemed to emphasize the automatic transmission. They wanted to make Zcar not only sports car but also easygoing car. 

Kats

 

[kats]

The catalog above was issued Jan 1972 , just after L24 engined “Fairlady-240Z series “ was released. 

I think it has been the same, everyone wants manual gear box for a sports car always. So I do not think the automatic transmission made a big demand .

Did I introduce this car before ?

This was on sale a several years ago, unbelievably stock , untouched condition with full of optional items such as a rare vinyl top , a factory air conditioning system, and the automatic transmission!! Also the red 110

is very rare, most of ZGs were chosen as maroon.

Please note the color of the over fenders , the rear bumper, and the front bumper. They are all exactly new condition. And they are not completely same color. The rear bumper is  a little bit darker, and a little bit glossy, that is correct. (Hub caps is strange in some pictures though) .

Kats

Edited April 24, 2018 by kats

[kats]

And this car is one of the rare  “ FS5C71A with a  NEW center console RHD L24 engind S30”

HS30-10430 , with a factory installed air conditioning system. 

Katashiki Shitei 02662

Ruibetsu Kubun 070

those important codes are on the register certificate, this is a Genuine 240ZG. 

Kats

[kats]

I think this case is also rare, 

  “ FS5C71A with a  NEW center console LHD L24 engind S30” , they are from Oct 1971 to Jan 1972.

They might be something below 1000 cars 

I guess, in Europe and somewhere LHD resion , maybe  Africa?

Kats

Edited April 25, 2018 by kats

[Gav240z]

On 4/24/2018 at 11:09 PM, kats said:

The catalog above was issued Jan 1972 , just after L24 engined “Fairlady-240Z series “ was released. 

I think it has been the same, everyone wants manual gear box for a sports car always. So I do not think the automatic transmission made a big demand .

Did I introduce this car before ?

This was on sale a several years ago, unbelievably stock , untouched condition with full of optional items such as a rare vinyl top , a factory air conditioning system, and the automatic transmission!! Also the red 110

is very rare, most of ZGs were chosen as maroon.

Please note the color of the over fenders , the rear bumper, and the front bumper. They are all exactly new condition. And they are not completely same color. The rear bumper is  a little bit darker, and a little bit glossy, that is correct. (Hub caps is strange in some pictures though) .

Kats

Hey Kats,

My 71 240z (HS30 01415) is an automatic (factory) in 904 white with blue interior, I was contemplating going to a 71A manual gearbox. Since I prefer sports cars with manual gearboxes. But at least in the short term plan to keep the automatic. I am not sure what condition the auto box is in however. I have a spare jatco auto box as a spare, just in case. I don't think there was many automatic's in 1971 in Australia.

What a lovely example 240ZG, 110 red is the colour of my first 240z (which was a 73 240z), but it had been repainted a "darker" red colour 110 red looks almost orange. However the engine bay remained 110 red. It's quite a rare colour for HS30's in general. My 73 had a white interior - which is not common these days, many owners have changed to black sadly. It was hard to keep clean I guess.

I have a video from around the year 2000 where I was messing around with the car, I was not able to drive it on my own yet because I was still a "learner driver" hence the yellow L up in the windscreen and I was only 17, about to turn 18 (you can drive on your own once 18). You'll have to forgive my gelled hair and baggy pants (it was of the era I guess). I haven't shared it earlier as I wanted to edit it, but I guess I will live with it and all it's embarrassment as is :).

The vinyl roof is indeed rare, funny I recall my step dad and I went to look at a Datsun 260z 2+2 which was a maroon red colour and had a black vinyl roof. It was a good car, but I was put off by the vinyl roof. Would love to find a car like that now!

PS: Love the S54B Prince Skyline GT-B in the background of those photos.

9 hours ago, kats said:

And this car is one of the rare  “ FS5C71A with a  NEW center console RHD L24 engind S30”

HS30-10430 , with a factory installed air conditioning system. 

Katashiki Shitei 02662

Ruibetsu Kubun 070

those important codes are on the register certificate, this is a Genuine 240ZG. 

Kats

How do you know how many cars were 71A with the new console? I have been collecting data on HS30's, but have never been able to determine exactly when the change over from HS30 01XXXX to HS30 10XXX occurs. 

I'm attaching a screenshot from my sheet of numbers, I can share the sheet with you via PM if you think it would be useful?

As you can see the highest no. I have is HS30 01973 before jumping to HS30 10052 - which was a Fairlady 240Z-L - owned by a member here.

Since I don't know when the exact change over is, it's hard to know exactly how many of each type there is. My data is collected based on cars I've seen for sale, or around the Internet, so basically documenting what's left as accurately as I can. Nissan Australia's records were lost in a big office move many years ago. Sadly..

9 hours ago, kats said:

I think this case is also rare, 

  “ FS5C71A with a  NEW center console LHD L24 engind S30” , they are from Oct 1971 to Jan 1972.

They might be something below 1000 cars 

I guess, in Europe and somewhere LHD resion , maybe  Africa?

Kats

Yes I'd imagine they are LHD examples for Europe. As you probably know the US market (HLS30's) got 4 speeds only.

When we did my gearbox swap on my 72 240z (HS30 10552) my friend told me that the gearbox cross member was really unique - he had never seen 1 like it before. We still have it as a spare as we fabricated a unique mount for the 71B/C hybrid box. Photo here.

[26th-Z]

Hi Kats!

Thanks for the pictures.  I like the red HS30-H but I am not a fan of the vinyl top.

[240260280]

The vinyl roof style may come from their first attempt to save the 1500 from Nader and stricter safety rules in the USA  by adding a Coupe roof.

 

SP310 with Fitted Hard Top, August 1966

[siteunseen]

Here's a vinyl top for $3,000.  Rough as a cob though and UG LEE!!! 

https://indianapolis.craigslist.org/cto/d/1972-datsun-240z-project-car/6557925724.html

Edited April 25, 2018 by siteunseen

[kats]

Thank you everyone, I can say the red ZG is the rarest one of all . There were approximately 2000 units (we guess ) for total  ZGs . With that in mind, this car has an unfavorable automatic transmission (maybe less than 10%? ) and, an admirable air conditioning system but expensive ( maybe less than 10%?) and, a 110 red (maybe less than 10%?) and, with an unfavorable vinyl top (maybe less than 1%? ) .

I think this car would be the only one in this style delivered to a customer.

The first owner would  have payed nearly equal to Z432 for this car.

Kats