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Pistons? |
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Just can't stay away  
Joined:
2002/7/31 0:01
From Wanganui, New Zealand
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I'm starting to rebuild my a15 soon and i want to know if its wroth spending some extra money and getting some different pistons. My brothers 120y has an a15 in with Daihatsu pistons and it goes ####ing hard! I've been quoted $309NZD for these pistons + $120-$200NZD for rings. But I am able to get set of new a15 pistons and rings (+1.00mm) for $250. Are the Daihatsu pistons worth the extra money? Would there be much difference performance wise?
Cameron
Posted on: 2004/5/27 9:47
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Re: Pistons? |
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No life (a.k.a. DattoMaster)  
Joined:
2004/2/26 6:32
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hey mate tell me what you find out as I am interested to know.
Cheers
Blair
Posted on: 2004/5/27 11:54
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To do something well is so worthwhile that to die trying to do it better cannot be foolhardy. It would be a waste of life to do nothing with ones ability, for I feel that life is measured in achievement, not in years alone.... Bruce McLaren
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Re: Pistons? |
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No life (a.k.a. DattoMaster) 
Joined:
2002/7/19 12:41
From sydney australia
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are the daihatsu pistons a bigger diameter than the a15's 76 mm?are they flat top?better material?,stronger?.all these things go into whether the daihatsu pistons are 'better'.
Posted on: 2004/5/27 12:14
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Re: Pistons? |
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No life (a.k.a. DattoMaster) 
Joined:
2003/1/5 5:40
From campbelltown (sydney) australia
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unless these daihatsu pistons have different compression ratio they will not give any performance wat-so-ever, unless they are lighter which probly wouldnt do much.
Posted on: 2004/5/27 12:32
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Re: Pistons? |
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Home away from home  
Joined:
2003/1/30 8:48
From Ballarat, Victoria, Australia
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aparently my A15s got Tx3 pistons in it...which are need of replacing as one is chipped...my old man got a quote for like $250 to get custom ones built....unsure exactly will get more details..
Posted on: 2004/5/27 12:43
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 -1200 4 Door Sedan, 2Pac Aruba Blue, Custom White Interior, OBX Racing Seats, SONY Head Unit, FUSION Speakers, 14" Bathurst Globes, Lowered, Powered By: A15 with Twin 40s,
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Re: Pistons? |
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Just can't stay away Joined:
2002/7/31 0:01
From Wanganui, New Zealand
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from what my brother knows, the daihatsu's are flat tops. he was told that they are lighter the sandard? And that they are stronger than the standard ones.
Posted on: 2004/5/27 22:44
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Re: Pistons? |
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Home away from home 
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2000/11/8 8:58
From Taupo New Zealand
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I used Mazda E3 pistons. They are cheap, and flat top. Unsure of weight compared to A15 piston.
In my engine with block and head planed to get comp ratio up, we had to mill valve cutouts as the cam has quite high lift. Was getting pretting marginal (depth of cutout) so if you're motor's really wild keep that in mind.
It was a while ago and I looked at other options, like Daihatsu, but they come in sets of 3, so you need 2 sets. Also you said $309 for pistons then more for rings? Unusual for a set of pistons to come without rings isn't it?
With the mazdas they come in up to 2mm oversize, so with their std bore being 77mm you can build a 79mm A15.
I saw somewhere (may have been feral's site- not sure...) sets of forged 79mm pistons with a big bore head gskt for A$900 I think?? Doesn't sound too bad, that's probably the road I'd go down if I were to do it again... but that's just my 2c!
Posted on: 2004/5/27 23:41
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_________________
1970 1200 coupe A15
1972 1600 original except for nana's sheepskins
1978 B310 SR16VE
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Re: Pistons? |
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Just can't stay away 
Joined:
2004/3/12 14:06
From Rotorua
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Standard selling practice. These new ones are better then the old ones...
What motor are these pistons out of?
I mean what model Daihatsu?
Posted on: 2004/5/27 23:41
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Re: Pistons? |
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No life (a.k.a. DattoMaster) 
Joined:
2003/12/3 7:56
From Christchurch NZ
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My work truck is a daihatsu, I wouldn't use anything made by someone capable of building anything as user unfriendly as that truck, if only on principal!
Posted on: 2004/5/28 6:57
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