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12G202 head
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Author:  J_A_M [ Sun Mar 06, 2005 8:10 pm ]
Post subject:  12G202 head
Got a motor on box today. Block says 99H791P....the chart says it's a Mini Clubman ELC motor...... :? WTF is ELC????

It's got a 12G202 head on it....is that a 1098 head?

....also got twin SU's on it :wink:
Author:  CPOCSM [ Sun Mar 06, 2005 8:41 pm ]
Post subject: 
Yeppers it is a 1098 head. I think the ELC is a pollution headed motor. The morons at Leyland thought they could clean up their act and try plumbing a couple of pipes into a 998cc cylinder head, connect them to a big air pump and try to lower the CO emissions. Alas, most of the tubes blocked up before the first service and the air pump packed it in soon after. Most people remove the plumbing and insert 4 x grub screws into the holes.

The 1098 head will do well with a good skim(0.5-1.5mm)and not much else - they definitely flow better than the 998cc cylinder heads.

Hooroo for now...

Rob Forsyth
Miniot!
Author:  J_A_M [ Sun Mar 06, 2005 8:54 pm ]
Post subject: 
Cheers for that Rob...I thought as much.

If I don't get my 1275, then that head on my 998 will be a good second best for now.... :wink:
Author:  drmini in aust [ Sun Mar 06, 2005 9:12 pm ]
Post subject: 
If that 202 head has air injection ports it's the first one I've heard of. :shock:
99H791 is just a late Clubbie, 998cc. Unless it's has a 1098 crank transplant.. :wink:
Author:  J_A_M [ Sun Mar 06, 2005 9:24 pm ]
Post subject: 
no air injection ports in this head.

I got a good feeling about this motor for some reason. The PO said it was an 1100, but block says otherwise. It looks like it's sitting on a reco box, has twin SU's bolted up to it. I might take the head off it sometime and look inside :wink:

Whats the 1100 stroke again Kev?
Author:  drmini in aust [ Sun Mar 06, 2005 9:28 pm ]
Post subject: 
J_A_M wrote:
no air injection ports in this head.

I got a good feeling about this motor for some reason. The PO said it was an 1100, but block says otherwise. It looks like it's sitting on a reco box, has twin SU's bolted up to it. I might take the head off it sometime and look inside :wink:

Whats the 1100 stroke again Kev?

3.296" (83.7mm)
998 is 3" (76.2mm)

Put #1 piston at TDC with plugs out. Stick a piece of wire down to the piston (hold wire vertical) Measure to top of plug hole.
Then do same with #2, without turning engine. Difference is the stroke. :wink:
Author:  J_A_M [ Sun Mar 06, 2005 9:36 pm ]
Post subject: 
thanx Kev. I'll keep a note of that.
Author:  min13k [ Sun Mar 06, 2005 9:37 pm ]
Post subject: 
so were ya find this stuff hmmmm
makka
Author:  J_A_M [ Sun Mar 06, 2005 9:44 pm ]
Post subject: 
'twas from a dude on here :wink:
Author:  min13k [ Sun Mar 06, 2005 9:46 pm ]
Post subject: 
ahuh
Author:  gafmo [ Sun Mar 06, 2005 9:51 pm ]
Post subject: 
And the additional Goss :lol:
Just get Dr to have a look at the boxs you have and use the best block
You now know the dirrecance between a good 1100 a 998 and what can be done...Have a ride in Josh's or Morris 8)
Rod the 202 can be done up nicely...better than a 925 :shock:
Author:  cush [ Mon Mar 07, 2005 3:03 pm ]
Post subject: 
hey jam,.... we've got the same block ;)

no 202 head for me tho.. ;(

however when i bought it the guy did say it was an 1100 :?

doc

Quote:
Put #1 piston at TDC with plugs out. Stick a piece of wire down to the piston (hold wire vertical) Measure to top of plug hole.


is this with the head on?
Author:  fuzzy-hair-man [ Mon Mar 07, 2005 3:34 pm ]
Post subject: 
Quote:
Put #1 piston at TDC with plugs out. Stick a piece of wire down to the piston (hold wire vertical) Measure to top of plug hole.


Quote:
is this with the head on?


Yes, has to be I think :wink: (spark plugs are in the head after all) :P
Author:  gafmo [ Mon Mar 07, 2005 4:27 pm ]
Post subject: 
Yes with the head on.. :lol:
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