Ausmini
It is currently Tue Aug 19, 2025 2:24 pm

Board index » Mini Chat » Mini Chat

All times are UTC + 10 hours




Post new topic Reply to topic  Page 1 of 1
  [ 12 posts ] 
  Print view Previous topic | Next topic 
Author Message
winabbey
 Post subject: What head is this?
PostPosted: Wed Nov 24, 2010 7:34 pm 
Offline
1360cc
1360cc
User avatar

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6753
Location: Melbourne, VIC
I understand this is a MK II S cylinder head. Does that look right?

What sort of work has been done to the chambers - minor or significant?

What are the numbers stamped on the end?

Image
Image
Image

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43
Top
 Profile  
 
drmini in aust
 Post subject:
PostPosted: Wed Nov 24, 2010 7:51 pm 
Offline
religious status
religious status
User avatar

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39764
Location: near Baulkham Hills, NSW
Well it's a 12G940 head casting by the shape, might be a Mk2 S. Valve sizes look about right. Chambers have been cleaned up a little. Inlet ports look cleaned out near the valves.

Does it have 12G1805 stamped near the thermo housing (1/8 letters)?
Not all Mk2Ss did...

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
Top
 Profile  
 
74snail
 Post subject:
PostPosted: Wed Nov 24, 2010 7:57 pm 
Offline
1275cc
1275cc
User avatar

Joined: Wed Oct 01, 2008 11:02 pm
Posts: 2611
Location: werribee vic
Keith Calver says
" A+ heads generally have three collet grooves in the valves, collets are 14-degree cone taper instead of the 10-degree on single groove collets (so parts are not interchangeable between single and triple groove types) and the top-caps have a raised ridge around the collet hole "

_________________
Image
Top
 Profile  
 
drmini in aust
 Post subject:
PostPosted: Wed Nov 24, 2010 7:58 pm 
Offline
religious status
religious status
User avatar

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39764
Location: near Baulkham Hills, NSW
This is not a A+ head from the pics, it's flat on top all round the thermo housing.

_________________
DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:
Top
 Profile  
 
winabbey
 Post subject:
PostPosted: Wed Nov 24, 2010 8:20 pm 
Offline
1360cc
1360cc
User avatar

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6753
Location: Melbourne, VIC
drmini in aust wrote:
Does it have 12G1805 stamped near the thermo housing (1/8 letters)?
Not all Mk2Ss did...

No, nothing stamped in that area.

I'm assuming the stamping on the end of the head near the heater outlet was done by whoever worked on it. It appears to have been chemically dipped or blasted to remove all the paint and grime.

I got from eBay user fat850. Is he on here?

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43
Top
 Profile  
 
74snail
 Post subject:
PostPosted: Wed Nov 24, 2010 8:24 pm 
Offline
1275cc
1275cc
User avatar

Joined: Wed Oct 01, 2008 11:02 pm
Posts: 2611
Location: werribee vic
drmini in aust wrote:
This is not a A+ head from the pics, it's flat on top all round the thermo housing.


Obviously I was reading the wrong section the article :)

Did the head stamping change when they started on the GT :?
.

_________________
Image
Top
 Profile  
 
kiwiinwgtn
 Post subject:
PostPosted: Thu Nov 25, 2010 4:47 pm 
Offline
1098cc
1098cc
User avatar

Joined: Sun Feb 20, 2005 8:11 pm
Posts: 1347
Location: Wellington,
can you post a pic of the thermo end
Top
 Profile  
 
winabbey
 Post subject:
PostPosted: Thu Nov 25, 2010 7:14 pm 
Offline
1360cc
1360cc
User avatar

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6753
Location: Melbourne, VIC
kiwiinwgtn wrote:
can you post a pic of the thermo end


Like this, or from above?

Image

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43
Top
 Profile  
 
kiwiinwgtn
 Post subject:
PostPosted: Thu Nov 25, 2010 7:19 pm 
Offline
1098cc
1098cc
User avatar

Joined: Sun Feb 20, 2005 8:11 pm
Posts: 1347
Location: Wellington,
from above please
Top
 Profile  
 
winabbey
 Post subject:
PostPosted: Thu Nov 25, 2010 8:06 pm 
Offline
1360cc
1360cc
User avatar

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6753
Location: Melbourne, VIC
Image

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43
Top
 Profile  
 
kiwiinwgtn
 Post subject:
PostPosted: Thu Nov 25, 2010 8:14 pm 
Offline
1098cc
1098cc
User avatar

Joined: Sun Feb 20, 2005 8:11 pm
Posts: 1347
Location: Wellington,
It looks like its possibly a Mk2 S / Clubman GT head as the casting indent next to the therom housing is the same as my S engine

Measure the valves that may also help

Hope this helps

Kiwiinwgtn
Top
 Profile  
 
winabbey
 Post subject:
PostPosted: Thu Nov 25, 2010 8:15 pm 
Offline
1360cc
1360cc
User avatar

Joined: Wed Oct 03, 2007 9:04 pm
Posts: 6753
Location: Melbourne, VIC
Thanks everyone, much appreciated.

_________________
ex-NSW Police 1970 MK II Cooper S
VMCI #43
Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  Page 1 of 1
  [ 12 posts ] 

Board index » Mini Chat » Mini Chat

All times are UTC + 10 hours


Who is online

Users browsing this forum: No registered users and 458 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  

© 2016 Ausmini. All garage work involves equal measures of enthusiasm, ingenuity and a fair degree of irresponsibility.