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Browsing this Thread:
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A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster)  
Joined:
2003/2/10 5:17
From Freo
Group:
Registered Users
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on a bit of A series questing today..
Plan A, Old style A12, sweet, oval head drop into 1000, hmmm piston is damaged, that's ok, orphan 120y short on the floor, fark.. the Old A12 is 1mm over.. plan aborted..
Help out Weekend to revive the A13, what motors you got laying about.. sweet.. old Style A12.. back on track, strip it down all good so far,
hmmm A10 on the floor too.. sweet.. flat tops for the A12.. strip it down.. sheesh old skool A10 pistons are weak and a couple are cracked.. back to stock pistons..
all in an Arvo's work..
Current Plan, A12 (old style bolt straight in) A15 oval Head, Massive cam, Rocker shaft spacers, GX double springs, GX Carbs and A15 exhaust.. Electronic Dissy..
sweet, all for the cost of a re ring Kit.. and many years hoarding..
Posted on: 2009/5/24 12:58
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_________________
'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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Re: A series Brilliance part 2.. |
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Home away from home  
Joined:
2006/2/15 10:53
From Sydney Australia
Group:
Registered Users
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That really is brilliant. There is nothing like the satisfaction of getting stuck into a project like that.
Cheers
Posted on: 2009/5/24 13:08
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) 
Joined:
2007/1/22 23:06
From East New Britain, Papua New Guinea
Group:
Registered Users
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When you say old school A10 pistons, do you mean the earlier ones were different? or just old A10 pistons in general.
I replaced the gasket on my A10 a month or so ago and it is still the original- shim style gasket with material over-lay.....as far as I'm concerned those only came out at factory?
It's a spin out if it was the orgiginal gasket. 40+ plus years without a gasket change, is that a good thing or a bad thing!
Posted on: 2009/5/24 14:33
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) Joined:
2003/2/10 5:17
From Freo
Group:
Registered Users
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I'd say A10's in general,
they have an old style piston with and expansion gap and one piece oil rings,
two of these ones had a crack under the oil rings on the opposite side to the expansion gap.. it was a stock motor in reasonably good condition..
Posted on: 2009/5/24 14:41
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_________________
'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) 
Joined:
2004/3/19 8:16
From Perth WA
Group:
Registered Users
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so using KB10 flat tops in an a14 with a12 head not such a good idea then?
Posted on: 2009/5/25 3:51
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) Joined:
2003/2/10 5:17
From Freo
Group:
Registered Users
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i guess a test of 1 isn't gospel so we'd need to look at more.. Dodgeman could have some answers..
Posted on: 2009/5/25 6:03
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_________________
'68 Thou Wagon,(home now) up and running
'69 2 door project, the yellow thing,
A12A Project motor, for the yellow thing.
A15 PSI Project Motor
'72 CB750k,
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) Joined:
2007/1/22 23:06
From East New Britain, Papua New Guinea
Group:
Registered Users
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A10 pistons in an A14?....Bore???
Or do you mean A10 pistons on A14 crank?
Posted on: 2009/5/25 6:44
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) Joined:
2004/3/19 8:16
From Perth WA
Group:
Registered Users
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dont they all have the same stock bore, just the stroke varies?
Posted on: 2009/5/25 7:28
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Re: A series Brilliance part 2.. |
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Home away from home 
Joined:
2003/1/24 12:14
From Quairading, Western Australia
Group:
Registered Users
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I thought that A14'a and A15's had a bigger bore than the A10/A12
the stroke is definitely longer...
Posted on: 2009/5/25 7:31
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Re: A series Brilliance part 2.. |
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No life (a.k.a. DattoMaster) Joined:
2004/3/19 8:16
From Perth WA
Group:
Registered Users
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did search...
a10, a12=73mm, a12a=75mm, a14 a15=76mm, mythbusters inc
Posted on: 2009/5/25 8:00
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