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mini maxx
 Post subject: 12G202 head
PostPosted: Tue Sep 01, 2009 7:13 pm 
Just found one kickin around the shed in good nick but i dont remember what motor i ripped it off, Whats it off, are they special or just a big lump ov cast, cos it makes a good wheel chock :lol:
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Mick
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PostPosted: Tue Sep 01, 2009 7:15 pm 
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Location: Under the bonnet son!
Super rare Cooper 997 head.

Also used on 1100 engines in their squillions which detracted from their rareness somewhat.

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mini maxx
 Post subject:
PostPosted: Tue Sep 01, 2009 7:25 pm 
OK, its a wheel chock then :lol:
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drmini in aust
 Post subject:
PostPosted: Tue Sep 01, 2009 7:32 pm 
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mini maxx wrote:
OK, its a wheel chock then :lol:

Don't knock them, 202 are the 2nd best smallbore head after a 295. :P (I'm ignoring the 206, which is rocking horse now...)
And they can be made to flow better than a 295 can be, ask Graham Russell... :lol:

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mini maxx
 Post subject:
PostPosted: Tue Sep 01, 2009 7:38 pm 
Ok, Not a wheel chock then
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gafmo
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PostPosted: Tue Sep 01, 2009 8:51 pm 
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Gr's getting one of mine soon just a tickle :wink:

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poeee
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PostPosted: Tue Sep 01, 2009 9:23 pm 
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Mick wrote:
Super rare Cooper 997 head.

Also used on 1100 engines in their squillions which detracted from their rareness somewhat.


Didn't 997's have 12G206?

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Mick
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PostPosted: Tue Sep 01, 2009 9:26 pm 
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Location: Under the bonnet son!
I believe some did, but the main designated head was the 12G202. Parnell also says 202.

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poeee
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PostPosted: Tue Sep 01, 2009 9:28 pm 
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Thanks. I'll keep that in mind when Dylan decides to pay me for one. :lol:

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drmini in aust
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PostPosted: Tue Sep 01, 2009 9:32 pm 
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206 was basically a 295 but without the 2 locating rings in the inlet ports.

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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:
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marks
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PostPosted: Sat Sep 05, 2009 12:29 pm 
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Is there a reference or wiki on the difference between the mini heads.
And what head fits what engine?

Cheers,
Mark.
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850man
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PostPosted: Sat Sep 05, 2009 2:31 pm 
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Mick wrote:
Super rare Cooper 997 head.

Also used on 1100 engines in their squillions which detracted from their rareness somewhat.


BAH HA HA. :lol: :lol:

In my opinion, the best small bore head to modify, they have thicker walls around the ports than the 295s so you can get more out of them & make them flow better. :wink:

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drmini in aust
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PostPosted: Sat Sep 05, 2009 4:17 pm 
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850man wrote:
Mick wrote:
Super rare Cooper 997 head.

Also used on 1100 engines in their squillions which detracted from their rareness somewhat.


BAH HA HA. :lol: :lol:

In my opinion, the best small bore head to modify, they have thicker walls around the ports than the 295s so you can get more out of them & make them flow better. :wink:

Yep.
They also don't have a dirty big (TOO big) chamber like the 295, so you can enlarge them to much the same shape but a bit smaller, and get a decent C/R without decking the daylights out of it or having to run flat tops.

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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:
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