O (not C) stamped on the head

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pierodn

Joined

Nov 10, 2012

Messages

3,154

• Dec 10, 2015

• #1

Hi.
Someone knows what the letter means?
Ciao
Piero

 

Ron L

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Feb 27, 2004

Messages

3,257

• Dec 10, 2015

• #2

Ombat??
Seriously though, is it from a 1972 model? Do the intake ports measure 32mm? Can you see evidence of milling the cylinder mounting surface?

Maybe they misplaced the "C" stamp and grabbed the "O" as the next best thing.

 

grandpaul

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Jan 15, 2008

Messages

13,737

• Dec 10, 2015

• #3

There is a head on e-bay stamped "V"...

"V for Victory!"

 

M

Mark

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Aug 8, 2006

Messages

944

• Dec 10, 2015

• #4

this is what is stamped into my head:

 

R

Rohan

Joined

Aug 26, 2010

Messages

8,215

• Dec 11, 2015

• #5

Someone on the NOC Forum mentioned all these letters a while back.

It was suggested that it was batch related, or signified some machining operations.
The meanings of which have since been lost (?).

 

texasSlick

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Jan 2, 2013

Messages

4,256

• Dec 11, 2015

• #6

An inspector's stamp?

Slick

 

concours

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Dec 29, 2011

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9,774

• Dec 11, 2015

• #7

texasSlick said:

An inspector's stamp?

Slick

Click to expand...

That's what I was thinking, or, a worker who had taken someone else's beating for bad parts. Just a SWAG :mrgreen:

 

grandpaul

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Jan 15, 2008

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13,737

• Dec 11, 2015

• #8

Could be a "grading" stamp...

 

fiatfan

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Aug 9, 2015

Messages

524

• Dec 12, 2015

• #9

Should there be a letter there on every head? My RH4 -73 head has no more stamps than just the RH4. Don´t know about the underside yet, will take the head off when I have finished the engine stand. I did find the centre bolt for the head mount was broken off though, yes! Like there´s not enough work to do already.... :evil:
Tommy

 

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Paddy_SP

Joined

Oct 26, 2015

Messages

221

• Dec 12, 2015

• #10

fiatfan said:

Should there be a letter there on every head?
Tommy

Click to expand...

No.

 

F

Fullauto

Joined

Apr 13, 2009

Messages

1,778

• Dec 13, 2015

• #11

Mine's got a bunch of letters and a number. What does it all mean?

 

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T

toppy

Joined

Dec 2, 2012

Messages

899

• Dec 13, 2015

• #12

Fullauto said:

Mine's got a bunch of letters and a number. What does it all mean?

Click to expand...

It may not be a Genuine part SHOCK HORROR! !!
and many would prefer an old worn and possibly porous Genuine to spend a small fortune on. Given this fact and the fact it is defaced by all that random lettering it's probably not worth anything. PM me and I will swap it for a Genuine tried and tested (well tried and tested) at no charge as its nearly Christmas. :lol:

 

P

Paddy_SP

Joined

Oct 26, 2015

Messages

221

• Dec 13, 2015

• #13

Fullauto said:

Mine's got a bunch of letters and a number. What does it all mean?

Click to expand...

It means I want one.