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CA18det harmonic balancer single pulley
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Hi Guys,

Does anyone know where I can buy a single pulley harmonic balancer for my Ca18det?

Thanks

Posted on: 2017/12/10 21:30
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Re: CA18det harmonic balancer single pulley
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ROSS makes 2-belt harmonic balancers. I've seen photos of it machined down to 1-belt. And other photos where it appears the front belt-section can be unbolted. It may be useful to contact Ross directly to ask about single-belt use

For those new to the CA18DET:
* CA18DET did not use/does not require a harmonic balancer. It uses a crankshaft pulley without the rubber layer
* Pulsar CA18DET uses a 2-belt pulley
* Silvia CA18DET uses a 3-belt pulley
* Jarrad and Chris both removed one belt-section from the stock pulley with no issues. But others ruined the pulley trying, so it likely depends on exactly which stock Nissan pulley you start with

Posted on: 2017/12/11 0:17
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Re: CA18det harmonic balancer single pulley
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Ross race balancer is a single pulley. I have one on my ca and will take a photo when I get home.

Posted on: 2017/12/11 23:44
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Re: CA18det harmonic balancer single pulley
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Thanks Mcgee,

They are about $650 yeah?

Can you have a radiator with shroud with that?

Cheers
Ron

Posted on: 2017/12/12 1:40
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Re: CA18det harmonic balancer single pulley
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I looked into this when doing my CA conversion as the 3-pulley was touching the bottom of the radiator.
The options I found were pretty much what has already been stated above:
1) cutting the stock 3-pulley down (this is virtually impossible and I would suggest that even if you got it machined down it would be a risk of falling apart)
2) use an EXA 2-pulley.
3) buy one of the 3-pulley billet ones off eBay, which could be machined down to a single....but these are not really harmonic balancers. These have no dampener in them.
4) buy the Ross full metal jacket single pulley. Pretty expensive at around $630.
5) buy a powerbond under drive 3-pulley and have it machined down.

I did option 5, but only had it machined down to a two pulley. This gave me the space I needed and still kept the integrity of the balancer. So far so good...but I haven't had my engine at high revs yet.

Posted on: 2017/12/12 1:47
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Re: CA18det harmonic balancer single pulley
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With the Ross balancer the water pump pulley becomes the limiting factor for radiator shrouds. The bolts from the water pump stick out further then the balancer. Have photos but not sure how to upload them anymore since photobucket did itís dodgy change

Posted on: 2017/12/12 3:02
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Re: CA18det harmonic balancer single pulley
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Thanks guys, so basically it is not possible to have a radiator with a shroud with CA conversion?

Posted on: 2017/12/12 3:41
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Re: CA18det harmonic balancer single pulley
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Its not impossible, just not easy. There may be room to run an offset fan. This is of course with an unmodified radiator support panel, if you modify this panel you can sit the radiator further forward giving more room for a fan/shroud.

Posted on: 2017/12/12 22:41
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Re: CA18det harmonic balancer single pulley
No life (a.k.a. DattoMaster)
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the twin pulley is great from fwd ca16de.
otherwise there is a taiwanese company
that do one offs, but cant find the site atm
they prob charge 100aud plus post.
They do all kinds of things even fibreglass,
tailights, headlights and any one off sample(s)
its on alibaba.com

Posted on: 2017/12/15 11:38

Edited by D on 2017/12/15 12:10:41
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"Australia" means the Commonwealth of Australia and, when used in a geographical sense, includes Norfolk Island, the Territory of Christmas Island and the Territory of Cocos (Keeling) Islands, but does not include any other external Territory.
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