V6 Motor ?

Danny Boon · Post by **Danny Boon** » Thu Feb 10, 2005 10:23 pm

Does anyone know if it is possible to fit a V6 motor into an MX5?
Just a question someone asked me today.
Regards Danny

Mike Jolley · Post by **Mike Jolley** » Thu Feb 10, 2005 10:51 pm

why bother when a lexus v8 drops in watch andrew at the skidfest, we ha.
mike

Badcat · Post by **Badcat** » Thu Feb 10, 2005 10:56 pm

hi danny - i read something in a japanese "options" magazine about a
shop there installing the 1800cc v6 from the mx3 presso in quantity..
they are very rev-happy and a good conversion it said (via a
translation by a japanese friend)
i've always wanted a rotary mx5 myself - but as the rotary crank is a
lot higher up in the engine, i'm told there is a shitload of work in the job.
ken

On Thursday, February 10, 2005, at 10:23 PM, Danny Boon wrote:

[...]

Danny Boon · Post by **Danny Boon** » Thu Feb 10, 2005 11:25 pm

Yes I thought that if it could be done the 1800 eunos presso may be the motor
that would be the easiest to put in it.
But would that be any better than an 1800 MX5 motor.
When had my 1st MX5 I inquired about a supercharger and was told by The turbo
shop here ( cant remember the name now too long ago.. canterbury turo maybe? )
that they could fit and supply a tubo to my car for $3500.
I would love the idea of a V8.
I love the MX5 ( my third ) but miss my old 770 Hemi 265 Charger ( I was 15 at
the time ) and my 318 V8 Vailiant Regal.
Oh by the way did I mention there is a 1997 Vr Merlot at Cathedral Motors Ch
Ch at the moment. Its beautiful. beige interior. $15999. 80,000 kms if I
remember
Danny

Danny Boon · Post by **Danny Boon** » Thu Feb 10, 2005 11:34 pm

whoops should have done a spellcheck Canterbury turo. I mean Canterbury Turbo.
Something like that
Danny

poison · Post by **poison** » Fri Feb 11, 2005 12:29 am

Hi Ken

I wondered why I wasn't the first to think about that conversion... what a
great set up it would be though... I forgot that the crank is so much higher.
What about using an RX box and shortening the drive shaft? have you seen any
articles on this?

Cheers

Gazza
"PO1SON"

poison · Post by **poison** » Fri Feb 11, 2005 12:32 am

From what I've noticed on chat boards even the turbos are not so crash hot as

there seem to be many posts about tuning and intercooler issues... but still a
rotary would be soooo... nice. And I'm sure the V8 is not quite a "drop in"
either, plus a new box etc etc...

Gazza

Badcat · Post by **Badcat** » Fri Feb 11, 2005 7:46 am

hey gazza.
yep i think a rotary mx5 would be very sweet.
- i had a 13b in my b2000 ute that i carried my racebike with.
i learned how to control a powerslide in that ute.
the problem i think is that you have to do heavy mods to the floorpan i think.
firewall, trans tunnel etc. the few that i've seen in magazines were
all done by panelbeaters - chaep labour i guess.

On Friday, February 11, 2005, at 12:29 AM, Gazza wrote:

[...]

MX5PWR · Post by **MX5PWR** » Fri Feb 11, 2005 7:54 am

Living on the side of a hill and having to put up with boy racers in their
screeeeeeeeeeeming rotary's I would hate to think a beloved MX5 would sound
like that, it is afterall a car not a bumble bee on steroids !!! Now a V6 or
V8 would be different. (no offence to your Rotary owners)

I know Don at Autoway is looking at doing a V8 and has talked about the V6 and
from what he has said the Rotary needs a lot of major work to the fire wall
etc to get it in.

Nige

From jifjif@gmail.com Fri Apr 27 17:12:12 2007
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Date: Fri, 11 Feb 2005 08:34:00 +1300
From: ~Jeff~ <jifjif@gmail.com>
To: MX5List <mx5list@mx5club.org.nz>
Subject: Re: V6 Motor ?
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The K series Mazda engine needs to angled away from vertical
slightly, otherwise there are lubrication 'issues'. Our 1800 V6 MX3
sounds terriffic, and has a 6500rpm redline but I wouldn't say it was
rev-happy, or powerful even. Maybeyour friend is thinking of the
KL-ZE (?) 2.5 litre Japan-spec engine ?

I have pix of a 13B, RB26DETT (650ps!) install in some Japanese
magazines though. Wow !

The engine conversion section of miataforum.com has seen some ppl
installing Ford V8's, a Chevy LS1, an SR20DE ... all good. If I was
still single and overpaid I'd be lining up for an Ubercharger - all
torque, no traction - yeahaa!!

On Thu, 10 Feb 2005 22:23:51 +1300, Danny Boon <dannboon@netaccess.co.nz> wrote:
[...]

From chris.tankard@aderant.com Fri Apr 27 17:12:10 2007
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Subject: RE: V6 Motor ?
Date: Fri, 11 Feb 2005 09:02:45 +1300
Thread-Topic: V6 Motor ?
thread-index: AcUPqsfpMuL749x3TnakT2B1G1RM2wAAHGpA
From: "Chris Tankard" <chris.tankard@aderant.com>
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Message-ID: <IFvgi.A.Wt.RdYMGB@L733>

The Garage section on US Miata site has a ton of information on engine
conversions - see www.miata.net <http://www.miata.net/> .

C

________________________________

From: nigel.e [mailto:nigel.e@xtra.co.nz]
Sent: Friday, February 11, 2005 7:54 AM
To: MX5List
Subject: Re: V6 Motor ?

Living on the side of a hill and having to put up with boy racers in
their screeeeeeeeeeeming rotary's I would hate to think a beloved MX5
would sound like that, it is afterall a car not a bumble bee on steroids
!!! Now a V6 or V8 would be different. (no offence to your Rotary
owners)

I know Don at Autoway is looking at doing a V8 and has talked about the
V6 and from what he has said the Rotary needs a lot of major work to the
fire wall etc to get it in.

Nige

Euen · Post by **Euen** » Fri Feb 11, 2005 9:21 am

A Rover V8 seems to fit quite well also.

http://freespace.virgin.net/bob.carter/Mazda_mx5_V8.htm

Euen

[...]

Janet & Jeff Curtin · Post by **Janet & Jeff Curtin** » Fri Feb 11, 2005 10:59 am

Jeff regarding your MX3 I also have the V6 MX3 and it redlines at 7500
and it will rev all the way there without any problems, its an auto with
85000 kms. maybe I lucked onto a good one ?, I see there is a V6 motor
for sale on T/M for 180$ just a pity they are front wheel drive,
otherwise I would think they would be a great motor for the MX5 if it was
an easy conversion.

cheers J&J

darryl · Post by **darryl** » Fri Feb 11, 2005 12:22 pm

I dont see the point in fitting the v6, just because a motor is rev happy
doesnt mean it makes any power. I would say you should just go with a turbo
instead. Tuning and intercooler issues? only if those tuning it dont know what
they are doing. You can get Trust turbo kits form approx $2500 for the MX5 and
this would surely make more HP than the little mazda V6 would (and why else
would you do a conversion??).
as for the rotary idea, I think this is the biggest mistake Mazda did, and
thats not fitting a rotary to the MX5. They dont have to sound like a bumple
bee

get a turbo and that fixes that.
There is one rotary turbo MX5 in our club that was done by (dear I say it)
Street Systems in East Tamaki.
Why dont you get a RENISIS engine from the RX8 and drop it in? nothing wrong
with a little panel beating

A rotary wouldnt throw the handling balance out like a V8 would and I would
say the V6 would also??

Darryl Curran

Mike Jolley · Post by **Mike Jolley** » Fri Feb 11, 2005 5:52 pm

what about the doc turbo 1800cc mazda,fast as and fits in, mike

Post by **zorruno** » Fri Feb 11, 2005 8:25 pm

Mike Jolley wrote:

what about the doc turbo 1800cc mazda,fast as and fits in, mike

the 1.8L MX5 engine _is_ pretty much the 1800 DOHC turbo. Minus the
turbo of course. It is basically the same block. You can even get the
turbo in there if you try hard enough with new manifold etc.

cheers
zorruno

Josh Woof · Post by **Josh Woof** » Sun Feb 13, 2005 11:03 pm

how much you wuilling to pay for a ride in my rotary mx5???
It's just off the road at the moment getting the drive shaft
re-balance and I/cooler fitted

Rotary your MX5 for a driving experance like no other!!!

[...]

Josh Woof · Post by **Josh Woof** » Sun Feb 13, 2005 11:04 pm

how much you willing to pay for a ride in my rotary mx5???
It's just off the road at the moment getting the drive shaft
re-balance and I/cooler fitted

Rotary your MX5 for a driving experance like no other!!!

[...]

SLYDIT · Post by **SLYDIT** » Tue Feb 15, 2005 5:39 pm

Ive got two articles here that have rotaries in Mx's
both required the movement of the steering rack from
behind the crossmember to infront and reversing of the
front steering arms. They used a hybrid gearbox
consisting of the mx5 rear half with the PPf mounts
and the rotary bellhousing front end.
The "dohc turbo"engines from the 323 arent worth
putting in either, the only parts you want from them
are the conrods and maybe cams/injectors, thats it.
The turbo manifold doesnt fit in the mx5 engine
bay.Dont bother with a v6. $5000 for no more power
just aint worth the gimmick factor.
V8s that arent DOHC per bank will fit with massaging
the firewall.(there are several Gen 3 v8 "miatas" in
the states. Rover v8 from a discovery would be great
with a v6 holden supercharger on it!!!
I dont think the lexus v8 will "drop in" as the quad
cam heads dont fit between the chassis rails, hence
the massive custom front end fabrication as seen in
the "bullit" cars from Australia.(Can be proven wrong
on this one but have never seen a lexus v8 in a standard chassis MX)
if you want massive power i think you cant go past a
stroked and bored out 1800 with a nice big Gt28 turbo
running 15psi. Nice big streetable sledgehammer that
retains the Mx's PPf Frame which is important for
keeping the feel of the chassis.
Of course if you want CHEAP, then run a Vf10 subaru
turbo on a steam pipe manifold. chuck in some junkyard
1800 323 turbo injectors and an intercooler, and tune
it all up using a Greddy E-manage piggyback
computor...not earth shattering but best bang for
your buck at around 150 rear wheel horse power for
about $3000. Hopefully i'll have it up and running by
summers end (2006!)

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Date: Tue, 15 Feb 2005 11:58:08 -0800 (PST)
From: Steph Bond <steph007_nz@yahoo.com>
Subject: Price of new soft top and illegal number plate?
To: mx5list@mx5club.org.nz
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Hi there,

I have recently purchased an MX5 and it needs a new soft top. I have been given a price of $1450 for a new Robbins (?) brand soft top which includes the cost of fitting it. Is this price about right?

Also, the MX5 only has one number plate at the back of the car but has the numbers stuck on the front of the car. Does anyone know if it is illegal to have this and can you get fined for this?

Any help would be much appreciated. Thanks!!

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