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Advice on a white Datsun 240Z from 12-1971


Makada

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Based on the photos it looks like a fantastic car. While it is hard to predict what you would find under the undercoating, the photos make me think the floors and frame rails would be solid.... with surface rust....maybe some more serious spots. I would be surprised if it requires new floors or rails. 

I do think the undercarriage needs immediate attention. I am pretty sure the car has factory undercoating...which was unfortunately applied over bare metal. I would remove the undercoating, address any rust spots, epoxy prime and paint.  As flakey as the undercoating appears to be, if you drive it and allow it to get wet, moisture will get trapped under the undercoating and serious rust will develop. 

I happen to be currently removing the factory undercoating on my 72 240z. My undercoating is / was in great visual condition. As I remove the undercoating, i am finding bare metal with light amounts of surface rust.....which comes off easily with a combination of wire wheel work and phosohoric acid treatment. Nissan clearly expected these cars to last 5 years or so and then get crushed.

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There are things one could nit pick but overall, without seeing it in person, looks like a nice car. If you can see it / drive it in person, you can find out way more about the car. Look for prior wreck damage / evidence. Look for rust (under master cylinder, under battery, floors from interior, dog legs, hatch deck, etc. How does it do driving straight? Does it stop straight? Does steering wheel shake under any conditions? Does anything come out of exhaust...blue, black, white? Is there an exhaust leak? If seller will let you, how does the car do if you drive it and shift first to second and second to third at 6k rpms? Does transmission shift smoothly and quietly? Does it run hot? Does clutch slip? How do engine oil and coolant look? How well does it start and warm up cold? Do all gauges work? Get it on a lift. Any leaks? How do the bushings look? New or original? Rubber or poly? How do the black suspension pieces look: coat of surface rust most likely if never refinished? How thick is the paint and how does it look in person? Tire age and condition? 

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12 hours ago, jonathanrussell said:

Based on the photos it looks like a fantastic car. While it is hard to predict what you would find under the undercoating, the photos make me think the floors and frame rails would be solid.... with surface rust....maybe some more serious spots. I would be surprised if it requires new floors or rails. 

I do think the undercarriage needs immediate attention. I am pretty sure the car has factory undercoating...which was unfortunately applied over bare metal. I would remove the undercoating, address any rust spots, epoxy prime and paint.  As flakey as the undercoating appears to be, if you drive it and allow it to get wet, moisture will get trapped under the undercoating and serious rust will develop. 

I happen to be currently removing the factory undercoating on my 72 240z. My undercoating is / was in great visual condition. As I remove the undercoating, i am finding bare metal with light amounts of surface rust.....which comes off easily with a combination of wire wheel work and phosohoric acid treatment. Nissan clearly expected these cars to last 5 years or so and then get crushed.

There should be paint beneath the undercoating, not bare metal. Cars didn’t leave the factory bare. If there’s no paint someone removed it.

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Posted (edited)

@bluez....Not true in my experience with my two 240zs. One is a 24k mile car with original paint.

 

To be clear...both of my cars have / had bare metal with some sort of galvanized / sacrificial treatment, then undercoating, then a light dusting coat of paint...same color as exterior....all done in factory. No primer. 

Edited by jonathanrussell
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Maybe paint wore off? Have looked at a lot of early Z’s and never seen bare metal floors, rails, wheel wells, etc. Most had undercoating sprayed on top of paint when imported.
Paint & Undercoating on early Z’s has been previously discussed on this forum.

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I have read the forum messages on the undercoating topic and opinions / observations seem to vary. Some are consistent with what you wrote but others are consistent with what I have observed. Here is an entry posted by Mr Camouflage in 2006 that matches what I have observed.

 

"The underbody of the Z was coated from the factory with a black tar type stuff, straight on the bare metal, no undercoat underneath it, This thick tar rippled look coating (If you dont call it undercoating, i dont know what you would call it) was then oversprayed with the color paint. not painted as such. I doubt you would find paint over the top of the tar coating in places like the transmission tunnel above the gearbox.

My car is a 72, and has this undercoating. It washes off back to bare metal with a rag a bit of petrol."

 

 

 

 

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Looks like a solid 240z, with a lot to like. Its a shame they didnt take an extra 30 minutes to cover the engine bay for overspray. How long does it take to remove the plastic intake vents and the washer bottle??

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Ya' know, I hate to argue with you, jonathanrussell, but the cars did not leave the factory with undercoating.  And any undercoating was not applied to bare metal.  The cars had a complete painted finish.  Granted, the undersides had a thicker textured paint finish but not undercoating.  And not the finish on this example.  

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Posted (edited)
23 minutes ago, 26th-Z said:

Ya' know, I hate to argue with you, jonathanrussell, but the cars did not leave the factory with undercoating.  And any undercoating was not applied to bare metal.  The cars had a complete painted finish.  Granted, the undersides had a thicker textured paint finish but not undercoating.  And not the finish on this example.  

My 72 had a wrinkled undercoat, that was applied without the gas tank installed and I am pretty sure it was bare metal under it. We sandblasted it all off. I would doubt any dealer would have gone through the trouble to remove stuff to apply an undercoat. I think the answer is that undercoating may have varied from year to year as the cars rusted way, or our definitons of undercoating vary 🙂

Edited by emccallum
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On 10/2/2022 at 5:17 AM, Makada said:

Hi all,

 

I would like your opinion on this white Datsun 240Z from 12-1971

The car as a whole and hidden rust on floor panels maybe?

With the kindest regards,

 

Mark

 

https://www.zsportscarz.nl/1972-datsun-240z-coupe-series-2-kilimanjaro-white/

HI Mark - First, where is Middelburg?   Over-all, from the pictures - Looks like the original engine is missing/changed. That would hurt its value somewhat when jthe car appears to be mostly "stock".  The diamond vinyl is aftermarket and not very appealing to most, the door panels and plastic interior panels are heavily dyed..and some look broken.  The engine compartment could use a lot of detailing/cleaning..

All that considered - the Asking Price seems very reasonable to me, given that it has been imported,  the duties/taxes are paid etc. That alone today might be $8,000.00 USD.  If you are in the Netherlands or close by - seems like a good opportunity.  In any case you should expect to put several thousands of Euro's/Dollars into it - once you own, drive and fall in love with the 240Z. 

FWIW,

Carl B.

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1 hour ago, 26th-Z said:

Ya' know, I hate to argue with you, jonathanrussell, but the cars did not leave the factory with undercoating.  And any undercoating was not applied to bare metal.  The cars had a complete painted finish.  Granted, the undersides had a thicker textured paint finish but not undercoating.  And not the finish on this example.  

I think we have to agree to disagree. The thicker textured paint finish....when you remove it....reveals itself as nothing but black tar undercoating with body paint on top. It is not a thicker textured color mixed finish. And, the black tar undercoat is applied directly to bare metal. 

Apologies to the OP for me getting us sidetracked.

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22 hours ago, siteunseen said:

That looks like @jalexquijano car????

Is it?

Maybe he or someone else can provide soms more info on the car if so?

Ive read somewhere that if it is that car, it has a special engine in it...

 

With the kindest regards,

 

Mark

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