I have a quick question

Archives of Posts to the NZ MX5 List back in 2002
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Steve Schulze

I have a quick question

Post by Steve Schulze » Mon Dec 02, 2002 8:05 am

My name is Steve

I drive a 1990 MX5 miata with a few mods. My question to your club, is
this, is there an engine swap for MIATA 1.6/1.8 to switch to a RX7 rotary engine?? If so, or if you have anyone for me to contact, please let me know.

Thanks

Steve Schulze

Mathew

I have a quick question

Post by Mathew » Mon Dec 02, 2002 12:00 pm

I haven't seen or heard of any rotary conversions locally, but I have seen half a dozen or so in aussie magazines.

M@

jeff

I have a quick question

Post by jeff » Mon Dec 02, 2002 1:27 pm

possible, not easy ...
http://www.miataforum.com/ubb/ultimateb ... 168#000000
http://www.rotarymiata.com

Mathew <mathew.avery@deepvideo.com> wrote:I haven't seen or heard of any rotary conversions locally, but I have seen half a dozen or so in aussie magazines.

M@

xtr515758

I have a quick question

Post by xtr515758 » Mon Dec 02, 2002 1:28 pm

Go to miata.net and look under the engine swaps part of the forum- there is endless discussion there, mostly on the difficulties involved...
[...]

lou Girardin

I have a quick question

Post by lou Girardin » Mon Dec 02, 2002 2:39 pm

There seems to be little point, it's not easy and you can get more than enough
power from a turbo or supercharger kit. around 250 rwhp using the stock block
and head. If you want more than that, the FE3 ( Kia Sportage) conversion is
still easier than a rotary, by all accounts. After that, there is a small
block Ford V8 that fits well too.
Lou

darryl

I have a quick question

Post by darryl » Mon Dec 02, 2002 8:53 pm

It depends on what sort of power you are after though. Why would you want
aheavy V8 when you can keep it mazda and have a lightweight rotary for less?
250RWHP, nice, but 300 would be better and easy with a rotary.

Steve, if you want to see someone about possibly doing this, try Tony and
Brent (my brother) at RX-7 Heavan in Auck (09) 274 0669 or 7 Andromeda Cres
East Tamaki, they have the only (to my knowledge) street legal 20B powered S6
RX-7 in NZ, a conversion the yanks think is so difficult etc its a
US$40000+job (I haven't read their threads on the MX, but most yanks think if
it doesn't bolt in or on, its too difficult). I think they would be happy to
give this a go.
Or go to this web site from OZ for REVS, www.revs-online.com I am sure these
guys have done one of the rotor conversions in OZ, the other shop I may be
thinking of is MRE, www.mildrens.com.au, give them a go, they are more like us
Kiwis who aren't afraid of a little hard work.
I hope this helps.

lou Girardin

I have a quick question

Post by lou Girardin » Tue Dec 03, 2002 8:00 am

A little hard work is fine until you have to pay someone to do it, or even
some of it. The big problem with rotary's in MX5's is getting the crank
centreline low enough to match the gearbox input and still retain adequate
ground clearance.
It all depends what you want, a reliable, powerful daily driver or a ricer
that can't negotiate speed bumps.
Lou

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