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 Post subject: [UK] 12A series 3 rotors for sale
PostPosted: Sun Jun 01, 2014 7:58 pm 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
For sale: 12A series 3 rotors - matching pair
Item Condition: Good used condition
Price and price conditions: $600 ono
Extra Info: Pair of front and rear C weight rotors
Pictures: Additional close ups and proof of apex slot measurements can be provided to interested buyers
Contact Details: PM please
Location: UK
Delivery & Conditions of Delivery: Price includes delivery to Oz on a 6 day service, tracked and insured

I can also provide matching front counterweights, S3 flywheels etc. at extra cost.

2 sets of S3 rotors sold to Ausrotary members. This is my last set.

See the pictures below added 24.12.2014

These rotors are very closely matched at 4296g and 4294g.

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


Last edited by drtool on Thu Nov 09, 2017 9:39 am, edited 9 times in total.

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 Post subject: Re: [UK] 12A series 3 rotors - matching pair
PostPosted: Fri Jun 06, 2014 7:37 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
I forgot how good these rotors are. C and D weight. Both from the same engine. Exact weights will be confirmed when my replacement scales arrive.

Apex seal clearance is 0.08mm using an old 12A steel apex seal which measured 2.91mm.

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


Last edited by drtool on Thu Dec 25, 2014 3:23 am, edited 1 time in total.

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 Post subject: Re: [UK] 12A series 3 rotors - matching pair PICS ADDED
PostPosted: Sun Jun 08, 2014 8:22 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
Better pics added :D

Image

Image

The apex seal groove measurements are 2.95mm on all slots, as measured in the following pictures.

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_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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 Post subject: Re: [UK] 12A series 3 rotors - matching pair PICS ADDED
PostPosted: Mon Jun 09, 2014 1:45 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
Rotors on hold for buyer.

EDIT: Rotors SOLD

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


Last edited by drtool on Thu Dec 25, 2014 3:28 am, edited 1 time in total.

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 Post subject: Re: [UK] 12A series 3 rotors - matching pair PICS ADDED
PostPosted: Tue Jun 10, 2014 9:29 am 
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Rotor Junkie
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Joined: Wed May 21, 2003 5:32 am
Posts: 5773
Location: Was Sydney but for now outside London
what a clean set of rotors tool !! GLWTS

_________________
1972 Mazda 1300 -13bt,GT35r,jatco,hilux diff - 10.38 @ 131mph
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 Post subject: Re: [UK] 12A series 3 rotors - matching pair both C weight added
PostPosted: Thu Dec 25, 2014 3:30 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
Front rotor:

Image

Image

Rear rotor:

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Pair:

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Some minor pitting on the front rotor from being in contact with water at some point.

The rear rotor was removed from a motor which swallowed a washer destroying the front chamber. The rotor was removed last weekend and was comp tested at 123, 125, 120 psi @ 250rpm prior to being pulled from the car.

The bearings are good on both rotors, as are they rotor gears.

These are good useable rotors.

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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 Post subject: Re: [UK] 12A series 3 rotors - matching pair of C weights
PostPosted: Sat Jan 03, 2015 12:24 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
Who wants them?

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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 Post subject: Re: [UK] 12A series 3 rotors - matching pair of C weights
PostPosted: Sun Jan 04, 2015 11:52 pm 
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Mazda Approved Mechanic

Joined: Sat Jun 27, 2009 11:40 pm
Posts: 170
Rotors look good but how do the apex seal grooves measure up?


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 Post subject: Re: [UK] 12A series 3 rotors - matching pair of C weights
PostPosted: Mon Jan 05, 2015 7:58 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
The front rotor is 0.06mm to 0.08mm on the apex seal grooves when measured at the ends.

The rear rotor is 0.04mm to 0.05mm on th apex seal grooves when measured at the ends.

This was measured using a brand new RB carbon apex seal in the groove (albeit 13B as the pack was already open for my 13B RX4 motor build).

Like this:

Image

ALL SOLD THANKS

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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 Post subject: Re: [UK] 12A series 3 rotors for sale
PostPosted: Thu Nov 09, 2017 9:44 am 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
I have another set of S3 12A rotors available.

Full rotating assembly available.

I also have good sets of S2 12A rotors. Good sets of S3 plates, R5 plates too.

Good 12A housings available as well. S2 style with square block on the top, not the S3 H style.

PM me if interested.

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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 Post subject: Re: [UK] 12A series 3 rotors for sale
PostPosted: Mon Nov 13, 2017 11:21 pm 
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Joined: Fri Jul 10, 2009 10:37 pm
Posts: 1025
Location: UK (ex NZ)
PMs replied. Still here.

EDIT: SOLD

_________________
1971 RX2 coupe 12A TD
1971 RX2 coupe 13B BP
1995 20B Cosmo Type SX

Trader feedback here: viewtopic.php?f=14&t=230339&p=2707662#p2707662


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