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A12 with pistons A14 or A15 |
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Just popping in
Joined:
2001/8/23 8:58
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Registered Users
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Hi! guys
Can i put pistons of A15 or A14 to my A12 engine, expand the block.
is this goods for my engines.
Posted on: 2001/10/15 2:59
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Re: block A12 with pistons A14 or A15 |
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Home away from home  Joined:
2000/5/26 7:46
From Good Old Knockfull, Tennessee, USA
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Registered Users
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It would take a good machine shop to over bore and sleeve the cylinders to get that larger of pistons in the A12 motor. The larger motor is more feasible if you
can find one.
Posted on: 2001/10/16 12:56
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Re: block A12 with pistons A14 or A15 |
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Just popping in
Joined:
2001/2/17 6:58
Group:
Registered Users
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The largest piston that I have done is 100 over from datsun comp.. flat tops. they seem to work fine in
my 1200 A12 motor
john
Posted on: 2001/10/16 3:48
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block A12 with pistons A14 or A15 |
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Just can't stay away  Joined:
2000/9/18 2:28
Group:
Registered Users
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It can be done
I have an A12 with 0.5 o/s A15 pistons in it.
James
Posted on: 2001/10/16 7:42
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Re: block A12 with pistons A14 or A15 |
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Home away from home Joined:
2000/5/26 7:46
From Good Old Knockfull, Tennessee, USA
Group:
Registered Users
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You are right. I don't know what I was thinking.
The A14 and A15 are only 3mm larger than the A12. That is about .145 Inch. That is feasible for most motors. I put a 1200 crank into an A14 and had to shave off .170 from the deck
to bring the top down to the piston to get the same results. My ex-wife stole that one from me before I had the motor broken in.
The pin location would prohibit use of A14 or A15 pistons unless different length rods were manufactured or the block deck shaved. Wrist pin diameter is larger on the A14 and 15's.
It all sounds feasible to me.
Mareo
Posted on: 2001/10/16 9:47
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Re: block A12 with pistons A14 or A15 |
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Just popping in
Joined:
2001/10/3 5:27
Group:
Registered Users
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Well guys: here in Costa Rica many A-12 engines have been wildly modified. I
Posted on: 2001/10/17 2:34
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Re: block A12 with pistons A14 or A15 |
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Quite a regular  Joined:
2000/2/7 11:53
From Brisbane, Australia
Group:
Registered Users
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I like the idea of 1500cc in an A12 block. Means you do not need the engineering certificate you would need if you were putting in an A15. Does anyone know the centre to centre
length of an A10 connecting rod? Can A10 rods be bored out to take A15 piston pins? Barry
Posted on: 2001/10/22 9:10
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