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Building an a14 stroker :)
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Ok guys finally picked up an a14 engine and im wanting to do a fair amount of work to it and aiming at 100-120hp atw im wanting to stroke it but was wondering where to start is there stroker kits you can buy that come with a crank, pistons, rods etc?

Posted on: 2015/9/6 10:15
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Re: Building an a14 stroker :)
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Yes, it's called an A15. Get a short block, and transfer the crank, rods & pistons to the A14. The A14 block will need to be slightly notched to clear the crank. This will produce 1488 cc.

Better yet add 79 mm pistons and you'll end up 1608 cc. You can custom-order the pistons for about $500. Or maybe get some used ones from Peter Z.

Posted on: 2015/9/6 10:46
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Re: Building an a14 stroker :)
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Hey Violi

Nissan created the A15 by stroking the A14

Same block with same 76mm std dia bore
With 5mm longer stroke.
Using different crank, rods and pistons

See if you can find yourself an A15.

OR

I haven't done it yet myself, but planning on putting A15 internals into A14 block.

Probably for the same reasons you are going with the A14
No engineer cert required for A14 in NSW.

But A15 would push it over the 20% engine capacity increase

Original A12 = 1171cc x 1.20 = 1405.2cc

The A15 would be about a 27% increase in capacity.
So needs and engineer cert.

A14 stamped block with A15 internals.
No one could tell, apart from the ribs in the sump, slightly different shape.
To allow the bigger crank some room to turn.

Tech wiki has a write up.
Food for thought

Cheers

Posted on: 2015/9/6 10:55
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Re: Building an a14 stroker :)
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Cant seem to find a good place that has the parts i need.. what are some good places that sell a series performance stuff? Quote:

ddgonzal wrote:
Yes, it's called an A15. Get a short block, and transfer the crank, rods & pistons to the A14. The A14 block will need to be slightly notched to clear the crank. This will produce 1488 cc.

Better yet add 79 mm pistons and you'll end up 1608 cc. You can custom-order the pistons for about $500. Or maybe get some used ones from Peter Z.

Posted on: 2015/9/6 11:01
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Re: Building an a14 stroker :)
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Yeh mate went the a14 for 2 reasons one been so i didnt have to worry about getting it engineered and the other as it was what came up at the time so i took it..cheers

Posted on: 2015/9/6 11:02
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Re: Building an a14 stroker :)
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Looks like ddgonzal posted at the same time I was typing.

We are both saying the same kind of thing.

Get yourself an A15 short block.
Or a whole engine from a wrecking yard.
Gumtree, eBay.
Anywhere, perhaps someone on here has one they will sell.

Swap the internal parts into your A14 block.

Posted on: 2015/9/6 11:05
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Re: Building an a14 stroker :)
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Ok so if i can find just an a15 crank will that fit directly into my a14? Then ill need a15 pistons to suit not a14 ones? And a15 rods? Im going flat top pistons so wheres the best place to source flat tops for the a series engines?

Posted on: 2015/9/6 11:37
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Re: Building an a14 stroker :)
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The A14 block will need slight notching for any stroker crank. Pistons are very different. Rods are the same.

Pistons are available from many piston company, such as JP Pistons in South Australia or Venolia Pistons in USA. Cast pistons are not expensive. Forged ones cost substantially more but for 120 hp are not needed.

Using Subaru off-the-shelf 79cc pistons used to be popular, but cost more than custom-made pistons.

Posted on: 2015/9/6 11:44
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Re: Building an a14 stroker :)
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The one reason i wamt forged is because i may even end up going a turbo set up later on so yehh. I found these seem a little pricey...

http://m.ebay.com.au/itm/DATSUN-1200- ... 03863?nav=WATCHING_ACTIVE

Posted on: 2015/9/6 12:16
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Re: Building an a14 stroker :)
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Why not save your money, and turbo the A14? 160 hp with stock block stock pistons. $1200.

Posted on: 2015/9/6 21:46
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