ignition switch diameter

[pss]

I have 2 different ignition switches: one US and one EU version with steering lock.

Although the outer form of the bezel is exactly the same, the inner thread is quite different. The US version diameter is ~0.7 inch (~2 cm) and the EU version shows ~1 inch (~2.5 cm).

I was wondering whether both are correct for my 1965 US and EU cars.

[edmayo]

One uses bullet connectors and the other uses spade connectors. The correct one is the one that matches the wiring in the car.

[moito]

i have never seen a euro car without lock.(does not mean they dont exist)

[haul]

i have never seen an us car with lock (does not mean they dont exist)...gruss an f

[pss]

Well I know which one belongs to which car, it is just that I wonder whether they are both period correct as the generic part differs so much. I don't know why they would change the thread as only the back-end's functionality is different.

Are they both period correct you guess?

[haul]

yip, both correct...do you have the 911 spare part list?there you can look at it either....
http://www.porsche.com/germany/acces...artscatalogue/

select the 911/912 65 to 67 catalogue and enjoy the literature

[Jim Breazeale]

yip, both correct...do you have the 911 spare part list?there you can look at it either....
http://www.porsche.com/germany/acces...artscatalogue/

select the 911/912 65 to 67 catalogue and enjoy the literature

All non locking ign switches are thinner than locking ign switches.

Regards

Jim

[pss]

Txs all, very useful!
Great link, will avoid me asking too many these questions

[savaden]

One reason the locking switch has a larger diameter is because it has two sets of pin tumblers at 90 degree angles, so that the key can be removed without engaging the lock. The US switch is largely a holdover from the 356, and I assume used in US cars as it was not required by regulations and was cheaper. But as everyone knows, the hole in the dash was designed for the locking switch. In fact the locking switch can be installed on a US car, you just have to get the parts and line up the holes in the steering column.

SV

[Harvey Weidman]

When we ordered a new switch for an early car (<69), the first thing asked was if it was locking or not. I never found a true pattern. Maybe because so many early ROW cars were imported in our area?
Anyway later, they all seemed to get the locking versions. I tend to agree with Ed.... Put in the one that fits.
I personally think it was a bad design because they lock up when the steering is pinched and customers would break off the keys trying to turn the ignition without releasing the steering wheel pressure. I even heard of a person trying to coast and the lock engaged, then they panicked and crashed...and it doesn't deter a thief as designed.....
Now back down off of the soap box.
H