There is a story that the L series engines from nissan are copy's of the old Mercedes blocks.. a sertain engineer in design (still nameing no names... ;-)  )  took a copy with him from mercedes to Nissan..   And yes i think there has been some copying...

I don't think it was copying but it is irrefutable, from the above components and configuration,  that the Nissan/Prince L engine has its roots clearly in the Mercedes M-180 engine from 1951.

Gents and Gals, we have a next generation "Vintage-Mercedes-Based" engine in our Z's.

Edited December 11, 20178 yr by 240260280

When i had my first 280zx back in 1991 i already knew that there was a "Mercedes like" engine in it..  some sayd: they took away the starr and wrote NISSAN on it haha...  But i think it's like with the SU / Hitachi (roundtop) carbs... they looked at a very good design and made e'm better and call it theire own...  good work!

First M-180 was built in 1946:

 

 

10 hours ago, 240260280 said:

Gents and Gals, we have a next generation "Vintage-Mercedes-Based" engine in our Z's.

Now we have to get all snobby and start wearing penny loafers. 

@240260280Here is a question for ya. Does that tool fit a Datsun head?

14mm and 17mm are the L series sizes. I'll try and find out what the M-180 uses.

 

Some of the Merc's are 14 mm and some are 17mm go figure

 

https://mercedessource.com/store/m130-m180-special-valve-adjustment-17mm-socket-wrench

I like that better than the crows foot 17mm I use. There's always one or two it hits the next one on and I end up using a open end & tap it with a hammer.

These early Mercs do not seem to have the locking nut like on the Z's