Wanted: Photos of NM, 7A, 3B and AAN pistons

[UrS4boy]

The AAN pistons could also be ABY or ADU.

Looking for top details as well as side shots showing the location of the wrist pin/gudgeon in terms of distance down from the top of the piston.

Want to show 3B and AAN and ABY and ADU pistons are the same.

Want to show that the NM and the 3B, AAN, ABY and ADU pistons all have the same diameter and that the 7A piston is larger in diameter.

Want to find out whether the wrist pin/gudgeon on the NM piston is dropped and by how much relative to the AAN piston.

Measurements would be a bonus.

[Error404]

I have some AAN and 7A pistons at home, if you want wait till tomorrow

[UrS4boy]

I have some AAN and 7A pistons at home, if you want wait till tomorrow

That would be a great start. Thanks.

[blackS2]

http://www.cft-motortec.de/kolben.php

[UrS4boy]

http://www.cft-motortec.de/kolben.php

Thanks for that link. It's a good start, both for this thread and a 16V to 20VT history that I am developing.

Still need NM info.

Anybody?

[_ShurikeN]

Anybody?

As soon as I have time to disassemble it.



I have already build a lovely crank locking tool

[dominator]

I will post a picture of nms in 30 min.

[dominator]

[dominator]

[dominator]

[dominator]

[UrS4boy]

Not sure what the photo is supposed to be. NM?

Regardless, can you measure the distance from the top of the piston to the centerline of the gudgeon/wrist pin? (Please)

[UrS4boy]

Which piston is this again? Any chance of another shot with the top of the piston in focus (sorry, it's kind of blurry)

[UrS4boy]

Nicely focused photo. Thanks. Is it an NM or ??

As soon as I have time to disassemble it.

[dominator]

Yes, it is from NM.I can measure it but I will do it tommorrow or the day after tommorrow.