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Location:
leumeah NSW
Registered:
November 2004
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 anyone with a rotary?
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Sun, 28 November 2004 01:46
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dont suppose anyone has a rotary. Im looking at how much it would cost to put a 12a into a ke20.
also anyone got any idea where to get the brackets made in sydney to adapt it into the engine bay. 
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I supported Toymods
Location:
fairfield NSW
Registered:
January 2003
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Re: anyone with a rotary?
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Sun, 28 November 2004 02:25
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www.ausrotary.com
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Location:
brisbane
Registered:
October 2004
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Re: anyone with a rotary?
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Sun, 28 November 2004 07:48
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i was keen to do a rotary conversion but id check regulations
cos u may need to get it engineered $$$
qld we cant do 12a in ke20 easily cos its under weight
dunno about anywhere else tho..
ke20 around 760 kg
motor 12a x 2 rotary capacity conversion = 2.400L
motor conversion n/a 760 x 3 = 2.280L max capacity
motor conversion turbo 760 x 2.5 = 1.900L max capacity
well good luck anyways 
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Location:
Sydney
Registered:
February 2003
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Re: anyone with a rotary?
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Sun, 28 November 2004 13:37
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ill post some pics of ae86 13b turbo tomorrow if i can find them... car is being worked on so i wont be able to take any fresh pics for awhile.... goes like a demon, but unfortunately, nearly impossible to engineer... notice i said "nearly"... hope to have it legal early-mid '05.
will be making an appearance at the Lextreme meet in dec 5.. anyone who comes can take a peak, hehe....
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Location:
Sydney
Registered:
February 2003
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Re: anyone with a rotary?
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Sun, 28 November 2004 13:43
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oh forgot to answer your question....
extremely easy to convert because of it's tiny size.... only trouble would be with the trans tunnel as the rotor gearboxes normally dont fit the early yota tunnels (ours needed customisation)....
as for mounting, a 12a mounts the engine from the front, not the sides like conventional engines.... so basically, just bolt/weld in a square pipe crossmember where the engine will line up and bolt it onto that....
our 13 b conversion was done by swapping the timing cover at the front to a 12a spec (so it could be mounted from the face)... parts are interchangeable....
and if you're doing a rotor conversion, brakes and diffs need upgrading... so far, the diff has held out, but the front end has been converted to ford hubs (5 stud) and slotted disc with commodore calipers.... rear will be converted to hilux diff and will have disc brake conversion done also....
car goes harder than most cars ive come across in it, and pulls up quite nicely with the new brakes....
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Location:
Sydney
Registered:
February 2003
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Re: anyone with a rotary?
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Sun, 28 November 2004 22:08
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anything is possible.... if that was the case, how the hell do people get away with 13b turbo's in r100's, rx2's and rx3's let alone a 20b (seen enough 20b's in rx3's to think something is wrong)....
our engineer says we can get our 86 engineered if you can up the weight past 1000kg and address the chassis strength and braking issue...
braking has been sorted though he wants us to convert the rear to discs.... other than that, just pass emmisions and we're set to go....
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Location:
brisbane
Registered:
October 2004
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Location:
brisbane
Registered:
October 2004
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Re: anyone with a rotary?
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Sun, 28 November 2004 23:42
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the rota's are mad engines
brap brap brap braaaaaaap
i want 13b ke25
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: anyone with a rotary?
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Sun, 28 November 2004 23:54
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| R-jay wrote on Mon, 29 November 2004 09:08 |
anything is possible.... if that was the case, how the hell do people get away with 13b turbo's in r100's, rx2's and rx3's let alone a 20b (seen enough 20b's in rx3's to think something is wrong)....
our engineer says we can get our 86 engineered if you can up the weight past 1000kg and address the chassis strength and braking issue...
braking has been sorted though he wants us to convert the rear to discs.... other than that, just pass emmisions and we're set to go....
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thats not entirely true. it is NOT LEGAL to fit a 13B in a KE20.
the weight used for capacity changes is the ORIGINAL weight. an engineer who uses the new weight is a) dodgy, and b) acting illegally.
if you crash, kill someone, and get taken to court, you and the engineer will be rooted.
ppl have them in the light mazdas because either they were engineered before the restrictions came in (like the V8 KE30 etc), or because their engineer is dodgy. simple as that.
you know all those modern cars in magazines with turbo conversion and aftermarket computers? NONE of them are legal, simply from an emissions point of view.
it is sort of a grey area from the publics point of view, but basically there are guidelines and limits for engineer certified. if an engineer certifies past those limits and gets takemn to court, you and he/she will lose. simple as that. they can't legally engineer past the limits (unless it is an ICV)
hope that clears some thing up 
Cya, Stewart
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Location:
brisbane
Registered:
October 2004
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Re: anyone with a rotary?
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Mon, 29 November 2004 00:19
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agreed...
a lot a cars were done before regulations changed.
when i say engineered i dont mean an approved mod code
la, lb, ld, lg, lh etc
i mean like submitting a reinforced chassis design and
upgraded driveline proposal to the transport approval
engineers $$$ ... like kit car builders have to do
goddam rotary 2x capacity rule sux
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Location:
Sydney
Registered:
February 2003
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Re: anyone with a rotary?
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Mon, 29 November 2004 02:17
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| styler wrote on Mon, 29 November 2004 11:19 |
i mean like submitting a reinforced chassis design and
upgraded driveline proposal to the transport approval
engineers $$$ ... like kit car builders have to do
goddam rotary 2x capacity rule sux
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exactly what we're going to do... chassis is being reinforced and engineer is going over it with a fine tooth comb... costs all up just for engineer's repotr/cert is close to $4k....
he basically said if he can't pass it legally after we do everything he says, then there is no charge... it'd just be a massive waste of our own labour.. which costs nothing, hehe.
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Location:
A.C.T
Registered:
July 2002
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Re: anyone with a rotary?
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Wed, 01 December 2004 06:43
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Like they said, all the R100's RX2's RX3's etc that have 13Bturbos have all been engineered in the period where it was legal, hence sometimes stumbling across seemingly ridiculously priced ones. They're the legal ones. All the others (like my RX3) are either illegal or dodgied up. On the rego papers my 808 sedan has a standard 13B which used to come out with a 12A. doesnt look very deadly there. The truth is it used to have a pissy little 4cylinder and now has a full RX3 conversion with a 600hp 13B bridgeport turbo good for 9's. Do you understand now why they wont make these cars legal for the street... haha
Andre
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Location:
Newcastle
Registered:
June 2002
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Re: anyone with a rotary?
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Thu, 02 December 2004 08:33
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| R-jay wrote on Mon, 29 November 2004 00:37 |
ill post some pics of ae86 13b turbo tomorrow if i can find them... car is being worked on so i wont be able to take any fresh pics for awhile.... goes like a demon, but unfortunately, nearly impossible to engineer... notice i said "nearly"... hope to have it legal early-mid '05.
will be making an appearance at the Lextreme meet in dec 5.. anyone who comes can take a peak, hehe....
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DAMN that would be awesome!
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Location:
Tassie
Registered:
October 2003
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Re: anyone with a rotary?
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Fri, 03 December 2004 00:48
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I'm sick of replacing the VW motor in my RV would a rotary be too powerful u guys think?
the revs are kept pretty high and it does cop a massive beating everytime it's driven .
It's Off road only to it doesn't have to be legal .
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Location:
sydney
Registered:
July 2004
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Re: anyone with a rotary?
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Fri, 03 December 2004 13:15
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the guidelines for the rta in nsw are only guidelines. anything can get engineered but u will need to upgrade brakes chassis diff ect to cope with the new engine. im currently engineering my rb31dett powered lj torana. ive had the chassis strengthened have new lsd and 4spot ap calipers on 330mm rotors at front and 2spot brembos on back. rod hadfield got that beast of his with the mustang"aeroplane" engine regoed so a 12a na rota should be easy.
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