Mazda Rotary Club

Cars by Model Type => Old school Mazda's => Topic started by: jetpilot on January 23, 2013, 04:17:26 PM

Title: Rx3
Post by: jetpilot on January 23, 2013, 04:17:26 PM
Could the more knowledgeable shed a little light on this please.

Model etc

How difficult is a 13b conversion, what sort of suspension/brakes can you use?
Title: Rx3
Post by: Grant Monkhouse on January 23, 2013, 04:25:40 PM
Which 13B?
Title: Rx3
Post by: jetpilot on January 23, 2013, 04:32:15 PM
Re :cheers
Title: Rx3
Post by: Grant Monkhouse on January 23, 2013, 04:40:11 PM
As in turbo?
Title: Rx3
Post by: Grant Monkhouse on January 23, 2013, 04:43:22 PM
Engine mounting pints are different. I think the rx3 mounts of the front cover, my rx4 did, however it now is mounted off the mid plate, not too hard to fix but it requires some work
Title: Rx3
Post by: jetpilot on January 23, 2013, 04:48:06 PM
Quote from: Grant Monkhouse;848564Engine mounting pints are different. I think the rx3 mounts of the front cover, my rx4 did, however it now is mounted off the mid plate, not too hard to fix but it requires some work

I wouldnt expect them to be the same, but i am guessing it must be a popular conversion.

What about suspension/brakes, again i am sure this has been done but cant find any info over here :(

Cheers
Title: Rx3
Post by: Grant Monkhouse on January 23, 2013, 04:59:08 PM
There are options for big brake upgrades, but mainly from oz. you mostly have to fabricate the stuff yourself or adapt something else to fit.
Title: Rx3
Post by: jetpilot on January 23, 2013, 05:00:40 PM
Cheers mate. Fancy doing something different and going old skool, but will have to have decent performance.
Title: Rx3
Post by: Grant Monkhouse on January 23, 2013, 05:10:16 PM
If you are getting one then I suggest leavin the engine swap until last. Trust me. They are very light cars, so even a small amount of HP will make it shift. I have got a complete 13B in bits from my rx4, minus the carb, housings could do with inspecting but they would make a good engine.

Search for custom garage iirc, they have all sort of shiny stuff to buy for brake and suspension upgrades:)
Title: Rx3
Post by: Ray on January 24, 2013, 08:46:39 AM
Hi jetpilot my RX-4 is still for sale .... http://www.mazdarotaryclub.com/forums/showthread.php?t=75261

My dad has got an RX-3 rolling shell that he\'d sell, but it will require a fair bit of welding, let me know if your interested.

There\'s not really any custom bits for old school mazdas in this country, either get them from Oz, Nz or States or fabricate. RX-4\'s have got more room under the bonnet, RX-3\'s really are tiny... well for my frame they are :Laugh

As Grant says, the old school engines were front mount, so old school 13b\'s drop into RX-3\'s very easily, just slight slotting, spacers or custom front mount.
Mark 1 RX-7\'s are useful donor vehicles and later engines can have old school front covers put on, http://www.rx7club.com/1st-generation-specific-1979-1985-18/front-cover-swap-797259/ plus loads more discussion in that forum.

Brakes don\'t have to be that big, old school mazdas are a lot lighter than the modern bloat. In race trim my RX-4 is 960 kg and my dad\'s RX-3 is 890kg (could be a bit lighter, but that was the minimum weight for the championship  he raced in).

Suspension wise, RX-3\'s are a bit tricky, the wheelbase is so short so they\'re always going to be a bit twitchy, but generally follow ford escort type mods, so springs, dampers, decent bushes. At the back end, extra location is a must, so panhard rod and ideally 5 link it.

Hope that helps as a starter!
Title: Rx3
Post by: jetpilot on January 24, 2013, 09:13:14 AM
Thanks for the info Ray, very useful. At this stage its a long term option, not looking to buy just yet but just get some knowledge so I am armed when it comes to getting one. I prefer the look of the 3 if I am honest though!
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 10:08:14 AM
Franco\'s RX3 with Oldone Bridge ported engine, cant remember if its 12a or 13B, I\'m sure he wont mind me posting pics of this beauty , but I absolutely luv this car!!! :driving
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 10:50:46 AM
That car was bridged in Aus then rebuilt again here.
Its a 13b
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 10:53:42 AM
The engine had the plates and housings that were ported in AUS chucked in the bin, porting done from scratch and fully rebuilt by Era @ //www.oldones.co.uk
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 11:29:01 AM
Oh yeah, i bet they were.
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 11:29:32 AM
What power does it make then?
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 11:36:04 AM
Quote from: HaywardRotary;848670Oh yeah, i bet they were.

oh here we go again LOL

They were not reused as they were scrap, I was there when it was taken apart , the engine that was in that car was not the PAC engine we were led to believe it was , probably changed over before it left AUS. The plates had mismatched ports, ports that were scratched by a 4 year old and loads of silicon, the engine was a mess.

I have no idea on power, so I would not guess myself
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 11:52:27 AM
We are not going there again Mark, just a valid comment.
Should be a good 250 hp on a quiet exhaust.
Title: Rx3
Post by: jetpilot on January 24, 2013, 12:01:20 PM
Quote from: BlitzBoy;848657Franco\'s RX3

I was admiring this in his thread the other day.

From looking around it actually seems cheaper to buy one done and import. Seen some lovely ones in NZ for around $15000 nzd.
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 12:05:47 PM
Everytime a nice one comes on sale in the UK its always at the wrong time for me to buy, I missed out on a blue just over a year ago, always skint at the wrong time grrr
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 12:08:04 PM
Quote from: BlitzBoy;848678Everytime a nice one comes on sale in the UK its always at the wrong time for me to buy, I missed out on a blue just over a year ago, always skint at the wrong time grrr

Stop spending your cash on younger girls than you then :Ladys-man :giggle :giggle
Title: Rx3
Post by: Brett on January 24, 2013, 12:17:23 PM
I\'m tidying up this thread - no need for bickering.
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 12:17:57 PM
Quote from: Grant Monkhouse;848679Stop spending your cash on younger girls than you then :Ladys-man :giggle :giggle

they dont cost much, take them to Nandos and they are happy lol


here is some inspiration
Title: Rx3
Post by: Brett on January 24, 2013, 12:21:43 PM
Whats going on with your Rx2? (as per the sig)
Title: Rx3
Post by: Brett on January 24, 2013, 12:22:29 PM
When the Montrose conversion was done we used a combo of 13B parts to get the mountings where we needed them - presume you can apply the same logic here?
Title: Rx3
Post by: BlitzBoy on January 24, 2013, 12:24:43 PM
Quote from: Brett;848684Whats going on with your Rx2? (as per the sig)

Waiting for my partner in the project to make a new garage, so its dry stored at the mo
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 12:30:18 PM
Quote from: Brett;848685When the Montrose conversion was done we used a combo of 13B parts to get the mountings where we needed them - presume you can apply the same logic here?

When you want more power a front mount just isn\'t going to cut it, this is why mine is mounted from the mid plate, should stop the engine ripping itself out of its mounts. Plus turboII plates are nitrided, much stronger.
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 12:31:17 PM
Quote from: BlitzBoy;848681they dont cost much, take them to Nandos and they are happy lol


here is some inspiration

Nandos may be cheap enough but plying them with enough wine and vodka to get them to do the dirty isn\'t cheap! Lmao
Title: Rx3
Post by: Will66 on January 24, 2013, 12:38:31 PM
Grant must want them really dirty if it\'s costing him a lot in wine and vodka! :D
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 12:41:30 PM
Quote from: Will66;848693Grant must want them really dirty if it\'s costing him a lot in wine and vodka! :D

The dirtier the better
Title: Rx3
Post by: Ada7 on January 24, 2013, 01:58:32 PM
Quote from: jetpilot;848676I was admiring this in his thread the other day.

From looking around it actually seems cheaper to buy one done and import. Seen some lovely ones in NZ for around $15000 nzd.

I\'ve thought about this in the past. Would be great to get one already done.

Adam
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 02:11:43 PM
It is reasonable till you pay vat and excise duty on the car.
transport is £1500.00 to £2000.00, then add duty to total cost of transport and car original cost then put vat ontop of everything.
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 03:11:43 PM
A simpler solution is give me huge bag of money and I will build the cars for you, I will do it for £50 cheaper than it costs to import one all ready complete:)
Title: Rx3
Post by: HaywardRotary on January 24, 2013, 03:54:27 PM
Cant seem to upload pic of mine.
Title: Rx3
Post by: Grant Monkhouse on January 24, 2013, 04:10:39 PM
Which one??
Title: Rx3
Post by: francovel3 on February 05, 2013, 10:52:58 PM
Quote from: jetpilot;848556Could the more knowledgeable shed a little light on this please.

Model etc

How difficult is a 13b conversion, what sort of suspension/brakes can you use?

this is the jap version gt model with round centre gauges ill have to get mine out now but i blown a fuse on my fans but needs a service anyway so back to era...
mine is a ausi model super dulux similar to this one http://www.carsales.com.au/private/details/mazda-rx-3-1975-14008985
Title: Rx3
Post by: drtool on February 08, 2013, 08:01:45 PM
You\'re on the wrong forum








awaits his ban
Title: Rx3
Post by: captainbizzaro on February 13, 2013, 10:50:59 PM
Hey, where\'d he go?:2Confused:2Confused