Yes please Captain ! I would like to see it .

Thank you for the joining, like the last time you showed wonderful experiments of racing wheel nut , I am interested in this time too .

Kats

HI Kats,

I think the cap ending in -16300 is more for the SP311, which has a expansion type tank (where the coolant can be sucked back into the coolant system)...for me, Nissan part numbers ending in -16300 are more than likely CSP311 specific, which is true for trim/unique parts. Whether this carries over to "generic" mechanical parts, I am not sure 100%.

 

Cheers

Ian

Thank you Ian , I did not know about 16300 has such a designation, like you said it is used so many cars , and still you can buy 21430-16300 from local Nissan today . Somebody said the cap 16300 is used for trucks as well .

 

Hi ,

I found this cap in my father’s tool box , looks like it can be used for the Z432 , little bit different from an original NICHIRA cap  though. My father never owned Z432 nor Cedric/ Gloria , so this cap used for some track or some vehicles used in a  rice field .

I will run my Z432 with this plain cap on the radiator, while pressure relief type cap on the reservoir bottle.

Kats

Hi Kats,

Does the plastic reservoir bottle accept the same kind of cap? I saw pictures with a white plastic cap, but I didn't see anything with a metal pressure relief cap installed on the plastic bottle.

And also, have you confirmed that the plastic reservoir bottle was designed to contain the pressure involved?

Hi Captain!

I will try it within a few days , not on my blue 240Z because the 240Z does not have a pressure proof type tube for the bottle. The bottle itself is designed for a pressure acceptable, and it is designed for both plastic cap and metal neck , you  just need to twist the cap / metal neck for attaching or removing.

My Z432 has a pressure proof type tube , so I can load the certain pressure in the bottle , when I do it , I put the plain metal cap on the radiator , while pressure relief type cap on the bottle just like a description on the service manuals and the parts catalogs.

Let’s see how it goes , I hope I don’t break anything because they are so rare !

Kats

Edited September 14, 20186 yr by kats

Hi , today I picked up my Z432 at a local Nissan dealer , my Z had a periodic inspection ( two year ) which is required by the Japanese regulation.

This You  tube shows my Z432 scored good numbers to pass the smog test , my Z does not need a wide - band allowance which is for a Solex carb car and other specific cars .

Z432 , Skyline GTR And Toyota 2000 etc have a blue oval sticker which is “ アイドル HC 特殊 / Idling HC special “ on the right corner of the front bumper means this car’s engine can not be tuned within a STD smog limits ( CO below 4.5 / HC below 1200 ppm ) . 

So these cars limits like this , CO below 4.5

(same ) but HC below 3300 ppm .

My Z432 had CO 3.8- 4.2 / HC 830-950 , 

 nice . This proves properly tuned engine even like a S20 , no need to worry. We have heard so many times that you can not pass the test without cheating ( have to change mixture and timing from what you think the best to pass the test ) then after the test , all the things are back to the way you want . But it is not true always, I love the original, and the car is fantastic, no need to add something or change something.

Kats

PS , the inspection includes

Smog test

side slip test

head light and all the other lighting system 

horn , torch 

Speed meter at 40km/h 

braking test 

wiper test, washer test , 

underneath inspection ( leaks , rubber boots condition etc)

 

 

 

 

Kats, Great inspection results. I've always believed that if an engine is tuned and running properly, the emissions numbers should look pretty good even without todays emissions controls. Of course, it won't be as good as running through a modern catalytic convertor, but you should be able to do OK like you did.

I have a question... What's the "side slip test"?

Side Slip Test:

 

http://www.240260280.com/History/Testing/Testing Japan/RollOver11Mb.mp4

Thank you Captain ! I agree with you and a good question . This time I let this Nissan dealer to do the inspection , but sometimes before I brought my car to the official vehicle inspection facility in my local area to do the test by myself . Doing this in Nissan needs a money but I am so happy because they do a lot of things for the car and generally the price is very good and not expensive.

Hi Blue , thanks but that is not  my case ha ha !

Let me show "side slip test " .    

Kats

 

 

Hi Kats,

Thank you for the information on the side slip test. It looks like a fast "drive over" alignment test to check the toe settings.

I've never seen that before. Thanks!

2 hours ago, Captain Obvious said:

Hi Kats,

Thank you for the information on the side slip test. It looks like a fast "drive over" alignment test to check the toe settings.

I've never seen that before. Thanks!

I know you must have smog test there, is there anything that your car has to be inspected ? 

In Japan the inspection is a little bit tough for the modified cars , usually those cars have to replace some parts back to original before the inspection. Wheels, exhaust systems , seat belts etc . Also the car must be the correct height and width/ length written in the specifications except having an approval from the district of bureau.

I have to pay 300 USD for “ weight TAX” 

Every this inspection, and pay 500 USD every year for the car TAX . Old car has to pay 25 % more for that !!

Looks like there is no one who enjoys old car in the government. 

Kats