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Location:
Bundaberg, Qld.
Registered:
May 2002
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83mm ca18det pistons.
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Fri, 02 July 2004 14:11
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has anyone here ever tried the 83mm ca18det pistons in a 4age/ze? these have the same 20mm gudgeon pin.
i have seen reference to 4agze and later 7 rib 4age's running these pistons on the net before.
as the bore would need to be over bored by 2mm, how would that effect the heat of the engine and it's between bore strength? (specialy in a boosted application).
anyone seen it done? and know what c/r they are.
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Location:
sydney
Registered:
November 2003
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Re: 83mm ca18det pistons.
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Fri, 02 July 2004 14:15
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It would all depend on how far you can bore a 4age/ze.
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Location:
Newcastle NSW
Registered:
June 2002
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Fri, 02 July 2004 14:51
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i have been searching Alainve, and still am. 
but also would like to know if anyone that frequents this forum has had any up close experience with the topic and knows about these pistons.
mmm.. yeah headgasket thickness between bores might be the worst problem. 
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Location:
Newcastle NSW
Registered:
June 2002
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Re: 83mm ca18det pistons.
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Fri, 02 July 2004 14:57
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good to see your doing your research but sorry ive no direct expeience here. but try to find valve angles of both heads and valve positions to see if the flycutting on the pistons will line up correctly. there may be issues there
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 83mm ca18det pistons.
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Fri, 02 July 2004 23:51
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would there actually be any cylinder wall left between the cylinders if you went out 2mm???
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: 83mm ca18det pistons.
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Sun, 04 July 2004 09:44
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... ahh yes, i know that young fellow.
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Sun, 04 July 2004 09:49
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i hope he replies to my e-mail. i am intersted to know how his 4agte runs heat wise etc..
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Mon, 05 July 2004 16:05
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unless your going with aftermarket ca18det pistons your flogging a dead horse, 4agze pistons are much much better
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Mon, 05 July 2004 21:14
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thanks for the reply Josh. one thing i havnt seen yet on the net is reference to whether they are forged like the gze ones and their c/r.?? (spose i need to search some nissan forums).
the only reason i am looking at the idea is a friend may still have a set that i would get much cheaper than the gze ones, so thought it might be worth a shot.
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Location:
Carlingford, Sydney
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Mon, 05 July 2004 23:55
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u can buy new gze pistons from toyota for less than $100 each
they come in oversize as well
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Tue, 06 July 2004 03:14
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yes i realise that dude.. 
toyota deal through us at work so i should get them a little cheaper than that.
doesnt hurt to explore other avenues when building hybrid engines..
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Location:
Newcastle
Registered:
June 2002
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Re: 83mm ca18det pistons.
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Tue, 06 July 2004 03:21
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I think your cat might be taking amphetamines.
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Location:
Bundaberg, Qld.
Registered:
May 2002
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Re: 83mm ca18det pistons.
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Tue, 06 July 2004 11:11
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 ummm... yeah. 
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