NA hardtop weight?

bruce · Postby **bruce** » Sat Mar 25, 2023 11:50 am

Hi,
Has anyone weighed their hardtop? I'm guessing 20 to 25 kgs.
I weighed my car yesterday. Visited my local tip/recycling centre and rolled directly onto the scales, 1320 kgs. As I rolled off I stopped and got the rear weight at 600kg (my logic is correct?).
Weight included me, full fuel tank, hardtop. Thus a net weight of 1200 kgs approx. Note my car is not really an mx5 anymore...

bruce · Postby **bruce** » Sat Mar 25, 2023 12:38 pm

Bit of searching on a US forum; someone actually weighed theirs, 45.5 pounds = 20.638 kgs

Rocky · Postby **Rocky** » Sat Mar 25, 2023 4:22 pm

Important to make sure you don't have a fat hardtop, Bruce.
Too many Maccas and chips will result in a reduction in performance.

93_Clubman · Postby **93_Clubman** » Sat Mar 25, 2023 5:41 pm

If tank is original then 40 litres of fuel is 40kgs plus 20kgs for the HT sounds about right bearing in mind the original NA6 HTs were a bit lighter than later HTs. So if you're 60kgs then 1320kgs - 120kgs = 1200kgs.

bruce · Postby **bruce** » Sun Mar 26, 2023 8:21 am

Thanks!

rascal · Postby **rascal** » Sun Mar 26, 2023 8:44 am

93_Clubman wrote:If tank is original then 40 litres of fuel is 40kgs

Unleaded fuel is more like 0.73kg per litre (water is 1kg per 1L) so 40L fuel would be under 30kgs.

Sorry Bruce just made you 10kg fatter….

bruce · Postby **bruce** » Sun Mar 26, 2023 12:55 pm

I use premium and as it is dearer I expect it to be heavier!

rascal · Postby **rascal** » Mon Mar 27, 2023 7:15 am

bruce wrote:I use premium and as it is dearer I expect it to be heavier!

It is, but only just.
Ulp=0.735, pulp=0.750

Jeo · Postby **Jeo** » Tue Mar 28, 2023 9:35 pm

Weighed mine many years ago shortly after painting, all new seals, etc. I remember clearly because I thought it was a suspiciously round number, but it was exactly 20kg according to my highly accurate bathroom scales.

bruce · Postby **bruce** » Wed Mar 29, 2023 8:14 am

Thanks.

bruce · Postby **bruce** » Wed Mar 29, 2023 3:17 pm

Jeo wrote:Weighed mine many years ago shortly after painting, all new seals, etc. I remember clearly because I thought it was a suspiciously round number, but it was exactly 20kg according to my highly accurate bathroom scales.

Jeo, was it difficult taking out the rear glass?

Jeo · Postby **Jeo** » Thu Mar 30, 2023 8:59 am

When I did it? No... but that was because I bought a second hand hardtop in fairly poor condition. Most of the seal had already perished to the point where it had fallen out on it's own. I reckon a light breeze would have removed the window for me.

Can't comment on a decent one sorry Bruce.