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240Z restorations, what's right and what's not


SpeedRoo

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Another lovely early 240Z, Jan 1970, has turned up on BAT. Restored by Pierre and Whitehead over the last decade. Loads of photos which really help me, and others, when we are restoring our cars.

1970_datsun_240z_1606-Gold-0010-scaled.j

As an aid to Newby restorers like myself, could the sage experienced members on this site help picking out what's not done correctly on the car. Not trying to be negative but it really helps to document how things should be restored or how they came as original.

I'll start the ball rolling and add photos to show what I'm looking at.

 

There seems to be the wiring cover missing under the dash.

1970_datsun_240z_1606-Gold-0094-scaled.j

 

The radiator support frame seems to have been sprayed completely rather than painted by hand with a brush.

1970_datsun_240z_IMG_2619-Michael-Smith-

 

The radio antenna doesn't look to be the early pointed tip type.

1970_datsun_240z_1606-Gold-0031-scaled.j

 

The id plate on the "B" post seems to be etched rather than stamped. 

1970_datsun_240z_1606-Gold-0217-scaled.j

 

Not sure if the rubber stoppers are fitted under the door levers.

1970_datsun_240z_1606-Gold-0108-scaled.j

 

Were the 1970 cars finished in black underneath or body colour?

1970_datsun_240z_1606-Gold-0173-scaled.j

 

Looks like a later fuel filler cap assembly has been fitted.

1970_datsun_240z_1606-Gold-0073-scaled.j

 

Looks as if the black Velcro patches to hold the spare wheel cover in place are missing. Also the jute underfelt is not fitted.

1970_datsun_240z_1606-Gold-0133-scaled.j

 

I believe the horizontal water hose running front to back should also be braided like all the other hoses. Additionally did the early airboxes have stickers/decals on them?

1970_datsun_240z_1606-Gold-0138-scaled.j

 

I'm sure there are other things I've missed and I may be wrong on some of the items I've listed. Feel free to correct me where needed.

Edited by SpeedRoo
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I see so many "restored" cars that have grossly overdone the zinc plating. I have even seen cars with the hood hinges plated.  It was nice to see a lot of the fasteners painted like they were from the factory.  The fender bolts and rear hatch are a good example. They went through so much effort to get the underneath cleaned up.  I dont understand the black paint either.  You were right about the radiator support. In addition, the brackets that hold the grill should have also been flat black to match.  With the exception of the black underbelly and wheel wells, I thought it was a great car.

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Wow, a very impressive car.  As I said on the other thread, I have not seen many restorations better than this one.  Of special note in regards to detail are the cloth wrap fuel hoses, inspection marks and correct clamps (color and style)  in the engine bay.  That being said, putting my ZCON judge hat on (which sometimes doesn't count for much), the following items do not appear to be correct, but can most easily be fixed.  I will not mention items already noted above.

- Hub caps are from a later series 1 car.  Hole for the valve stem should be under the spoke, not the slot.

- Horn face should be olive drab color, not bare zinc

- Seat texture for the base/seat does not match the back.  The back is the original vinyl, the seat is aftermarket.  (This one probably bothers me the most).  I would have changed the back also, just so the textures match. 

- Plastic trim is missing from seat base, both seats.  On early models only.

- Steering wheel color seems to light.  Could be lighting.  

- choke knob is later model.  should be more trim and rounded.

- Door panels should have two screws near the bottom holding them on.  On early models only

- Hatch attach large flathead screws should be silver zinc

- I dont see rivet divots in the rear hatch panel.

Also, I am not a Just Dashes fan as I think they do a poor job with the three scallops over the center instrument cluster.  Vintage Dashes is more true to the original on this feature.

And, when buying the braided engine hose, get it from jdmcarparts.com.  There are other sellers out there for these items, but they do not match the original NOS very well.

I am sure I may have missed some stuff, but pretty darn nice car.  Will be watching this one.

 

Rich

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First rule of this conversation is don't badmouth the guy's car.  So...this is very nice restoration with very heavy "provenance" on workmanship.  This looks like a Pierre, very 'Vintage Z' vibe.  However, there are too many incorrect inconsistencies to mention.  As i feel about the 'Vintage Z' restorations, I observe about this car; a "parts replacement" restoration.  It is fresh and clean and new looking because the parts have been replaced, in many cases with date incorrect pieces.  And that's just what these sort of restorations are all about.  Extremely nice, almost new condition, perfectly acceptable for show and dance.  In this case, assembled by craftsmen who really did a nice job.

No, the early cars were not underbodied black.  Spare tire well is missing the velcro and the alignment stickers.  Interior tail light panel cover is the later style with the access panels.  I could go on and on.  But how about this?  The 240Z badges would be chrome Zs and the gas door knob would be the vertical version.  I learned about early tail lights recently.  These are later version replacements.

1970_datsun_240z_1606-Gold-0020.jpg

1970_datsun_240z_1606-Gold-0030.jpg

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Thanks @26th-Z there is no intention to badmouth the car at all, just use it to learn how to do things correctly. There were so many changes to the 240Z over the years it's hard to keep abreast of them all. Hopefully this will be a learning exercise for all, I know it will be for me.

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Rear deck jute underlay missing.

Rear bumper end packing from a later model year.

Air filter housing should not have decals. (Subject to validation from other Jan 1970 owners.)

Driver floor mat heel pad is aftermarket.

Seat belt hooks missing from outside of seat backs.

Left seat rail missing end cap (possible). 
 

Awaiting confirmation of:

No urethane suspension

Correct 11 mm ball joints

Correct oil suspension inserts

A very impressive build.

Keith

 

Edited by zed2
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18 hours ago, SpeedRoo said:

There seems to be the wiring cover missing under the dash.

Eh.. i never seen a cover for those wires.. i tink? yes on the later 280 but not a 240z? i got an early 71 240z and does not have the cover.. I don't have any idea where to screw it to?  If anyone has a cover, i like to see pics.. never seen one....i think?? 🙊

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12 hours ago, 26th-Z said:

First rule of this conversation is don't badmouth the guy's car.  So...this is very nice restoration with very heavy "provenance" on workmanship.  This looks like a Pierre, very 'Vintage Z' vibe.  However, there are too many incorrect inconsistencies to mention.  As i feel about the 'Vintage Z' restorations, I observe about this car; a "parts replacement" restoration.  It is fresh and clean and new looking because the parts have been replaced, in many cases with date incorrect pieces.  And that's just what these sort of restorations are all about.  Extremely nice, almost new condition, perfectly acceptable for show and dance.  In this case, assembled by craftsmen who really did a nice job.

No, the early cars were not underbodied black.  Spare tire well is missing the velcro and the alignment stickers.  Interior tail light panel cover is the later style with the access panels.  I could go on and on.  But how about this?  The 240Z badges would be chrome Zs and the gas door knob would be the vertical version.  I learned about early tail lights recently.  These are later version replacements.

1970_datsun_240z_1606-Gold-0020.jpg

1970_datsun_240z_1606-Gold-0030.jpg

Hi Chris, my HLS30-02146 got this 220-24152R . So we can say at least up to 03/1970 , our cars don’t have a symbol on the far right upper and lower. We need more reports ! By the way , Japanese tail lights have the same PAT. number for an early and a later one . So if you can’t source an early one but want to install later one to an early car , you just sand the symbol and erase it. For the US , you can erase the symbol but the number 24166 remains and shows it is a later one.

About the knob sits vertical and the chrome Z emblem set , I was thinking about it too. This car HLS30-01606 reminds me the data sheet of production number which I have got from Mr.Uemura and Mr.Osawa in 2003 .

 I mean , according to the data sheet, HLS30 and HS30 were made 543 cars in 1969 , and 1010 in January 1970. So , Total 1553 export S30 cars born before February 1970.

HLS30-01606 in January 1970 could be very unusual thing. Early VIN got later date tag is sometimes happened, but the opposite is …

What I am feeling about this car is, this car would not come with a vertical knob , nor chrome Z emblems . Because I am feeling this car would be very close to be February made . I can’t see a tiny hole for a retaining an early type cabin air intake. I see the hood bumper on each side is not the early one. These things are telling this car is closer to my 03/1970 240Zs rather than my 01/1970 Z432. 

Kats

 

9E156C7C-D15E-437E-BA8F-CC31C1EEDDE6.jpeg

Edited by kats
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Keep it coming guys, fantastic comments and great feedback.

What would be the right door rubbers for this car, the early 2-piece type or single piece bulb type like this one has?

 1970_datsun_240z_1606-Gold-0114-scaled.j

 

It seems to be missing the key number decal in the glovebox.

1970_datsun_240z_1606-Gold-0100-scaled.j

 

They painted over some bolts on the rear end. Looks like it has the factory rubber bushings on the mustache bar.

1970_datsun_240z_1606-Gold-0167-scaled.j

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22 hours ago, motorman7 said:

- Hub caps are from a later series 1 car.  Hole for the valve stem should be under the spoke, not the slot.

If I recall correctly  - - - we had a long Discussion Tread several years ago related to the position of the Valve Stem Hole on the Early vs Late D Hub Caps.  I believe Kats proved that the position of the opening on the early D Hub Caps for the valve stem - was either one of two different positions.(both positions were shown on very early Z’s)  Meaning you could not tell an early from the later D Hubcaps based on the position of the opening for the valve stem.  (may be my memory is bad?)

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5 hours ago, dutchzcarguy said:

Eh.. i never seen a cover for those wires.. i tink? yes on the later 280 but not a 240z? i got an early 71 240z and does not have the cover.. I don't have any idea where to screw it to?  If anyone has a cover, i like to see pics.. never seen one....i think?? 🙊

Here are pics and measurements for the OE wiring cover still on my car. The aftermarket cover offered by MSA mentioned by @26th-Z is notoriously undersized. Note that the edges of the OE cover are bowed out.

Wrap01.jpg

Wrap02.jpg

Wrap03.jpg

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57 minutes ago, Carl Beck said:

If I recall correctly  - - - we had a long Discussion Tread several years ago related to the position of the Valve Stem Hole on the Early vs Late D Hub Caps.  I believe Kats proved that the position of the opening on the early D Hub Caps for the valve stem - was either one of two different positions.(both positions were shown on very early Z’s)  Meaning you could not tell an early from the later D Hubcaps based on the position of the opening for the valve stem.  (may be my memory is bad?)

I stand corrected.  Thanks for the info Carl.

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On 11/28/2022 at 10:14 AM, motorman7 said:

Some reference photos from "04684" May 1970 build

 

- Horn face should be olive drab color, not bare zinc

 

- Seat texture for the base/seat does not match the back.  The back is the original vinyl, the seat is aftermarket.  (This one probably bothers me the most).  I would have changed the back also, just so the textures match. 

Here's the original seat texture from "04684"

image.jpeg

On 11/28/2022 at 10:14 AM, motorman7 said:

- Plastic trim is missing from seat base, both seats.  On early models only. You can see the rubber seat base trin on "04684" here.

image.jpeg

 

- Steering wheel color seems to light.  Could be lighting. 

 

- choke knob is later model.  should be more trim and rounded.

"04684" choke lever with blanked out "throttle lever" slot

image.jpeg

 

- Door panels should have two screws near the bottom holding them on.  On early models only

Original door panel on "04684" with two screws

image.jpeg

 

On 11/28/2022 at 10:14 AM, motorman7 said:

- Hatch attach large flathead screws should be silver zinc

image.jpeg

 

On 11/28/2022 at 10:14 AM, motorman7 said:

- I dont see rivet divots in the rear hatch panel.

Also, I am not a Just Dashes fan as I think they do a poor job with the three scallops over the center instrument cluster.  Vintage Dashes is more true to the original on this feature.

And, when buying the braided engine hose, get it from jdmcarparts.com.  There are other sellers out there for these items, but they do not match the original NOS very well.

I am sure I may have missed some stuff, but pretty darn nice car.  Will be watching this one.

 

Rich

 

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