Mazda RX3 12a bridgeport, first start.

[GarageArian]

Very nice car! :D ciao from Italy

[GOD12A]

@GarageArian Grazie, la mia famiglia e anche italiano :)

[liljimmygem]

nice

[psychotikpaisano]

Oooh 20B alt! That makes a little more sense to me now, I thought the 12A was just teeny! Not that its not lol. I know it doesnt compare, but I did 55 h4 halogens in my chevy blazer with e code 200mm housings and I liked it. After that, I decided to try hid's. How's it look? watch?v=w-K40TJfEvY

[psychotikpaisano]

Lol that alternator is half the size of the 12A!

[GOD12A]

@psychotikpaisano It's a bigger alternator from a 20B JC Cosmo. I went this big to power my headlights ;) The standard sealed beam headlights have been replaced with the biggest H4 Halogens I could find and the high beams are actually flat lens aircraft landing gear lights!! These babies light up any twisty road at night...

[lotusboy24]

damn dats a beautiful sound 2 me..OMG

[yz250fwepon]

hey mate im in sydney as well and im looking on brideporting my series 4 rx7 do u no a ruff price on wat it will be?

[GOD12A]

@yz250fwepon How long is a piece of string?!?! Anywhere from a few hundred for a hack job to a thousands for a nice job. Remembering that you need the rest of the car to suit. Not much use having a motor that can rev to 10k rpm with an intake and exhaust off a lawnmower ;)

[GOD12A]

@GOD12A Anywhere from $300 to $1000+ depending on how much work ya want in them. Angle cut secondaries require milling, cc'd ports take time and effort etc etc The port you hear in the vid is an angle cut bridge, cc'd and angle matched. Many more hours involved than a pedestal drill and an hour or two with a die grinder!!

[gtirboy1]

that sound hits me rite in the heart

[dimoqup]

cheers mate:)

[dimoqup]

very very nice build mate.. love the engine bay looks fkn tough!! iv recently bought a 808 i want to do the same to mine 12a inj bridgy can u give me sum tips? cheers mate..

[GOD12A]

@dimoqup Buy a car built!! hahahaaa Building one yourself is hard work and stupidly expensive (double what you think it will cost to build. Sounds like a joke but it definitely isn't). Taking it to a workshop means nothing, anyone can do that. To build a car on your own is an achievement not many people can put there name to. As for tips, get as much advice as possible on everything and ask **WHY** X is better than Y or Z, and make your decision from there. Everyone has an opinion...

[fooserides]

What muffler is on that car?

[GOD12A]

@fooserides Custom. 12" long 3" straight thru before diff, 3" mandrel bent over diff to a 18" long 3" straight thru muffler on the rear. Both mufflers are stainless with stainless wool packing around the perforated tubes and fibreglass packing filling the remainder 80% of the can.

[grif260z]

I'm a z fan but I still love the sound of a good rotary!!!

[JuanPapaNicolao]

i love that color dang it listen to that baby brap

brap for me baby

[EZY010]

fln looks and sounds sweet as, nice job bro! after seeing this thinking of doing sumthing like this myself :P

[TheAmyable]

Nice build! Glad to know I'm not the only one building a 12A RX3!!

[hojak88]

amazing build man, wow!

[sh3lbot]

beauty build my friend!

[rotaryturb0]

nice 3 mate. perfect choice of engine for it....gotta love the sound of a n/a 12a bridgey. It must lure alot of chickys with that bright paint job ;) "oooooo shiney" hehe

[amartell2009]

If N2O doesnt satisfy you needs try a Camden supercharger. For street use; you dont have to worry too much of intake/exhaust overlap with the proper exhaust as you do for turbo. The charger will hide the Bridgeport sound at idle, but the power gain is incredible.

[amartell2009]

My apologies, I only saw the crank sensor. (Haltech) is a great choice. I cant wait to go back to building these engines and racing them again. Most likely I have to wait until next year. Boss, it is a beautiful car. I am sure it runs quiet well.

[amartell2009]

Man!! Nice car and engine set up. Question, I see you use a modern distributor. Have you ever tried the old distributor with L/T for adjustment? You can remove the spring inside the distributor and set the timing fixed to 20 degree between Leading and Trailing at any given RPM. It would protect your engine at high RPM.

[GOD12A]

Heya there AMARTELL, I have run a locked dizzy in the past, but what you see on the current motor is a Crank Angle Sensor (CAS) from a 13BT. The motor runs and aftermarket Haltech ECU so I can tweak timing in any way I like!! I went that way to make any timing changes for N2O extremely easy ;)

[Haydoss13]

INSANE engine bay! Sounds mint as

[GOD12A]

Thanks man, glad ya like her :)

[dottorfabR1]

brat brat brat brat

[rectaldickflop]

whats that song at the end? mint rx3 too man ;)

[connormcneil]

Slam by pendulum

[gyroplanefdk]

It's not going Hmmmm , more like boing boing

[ReactTeamSession]

cool car in my favourite color!

[drtyrb]

nice bro looks and sounds mean

[esavage518]

beautiful machine, great job putting pendulum in there

[lunchboxaro]

damn dude thats a tidy engine bay

[alienmode]

that looks like so much fun

[shiftyVL]

how much power does she nail at the wheels and how quick she rip the 1/4 mile. nicee car sounds tough

[GOD12A]

She has around 200 rear wheel HP and is setup for circuit, not strip :) More power to come when the new manifold goes on...

[tpvalley]

Bridge port?

Is that 2 ports for exhaust side by side or one after the other, relating to the direction of the rotor?

[GOD12A]

The bridgeport relates to the intake side. Each main (primary) port has an eyebrow or bridge shaped port over the top of the main port. Google Image search the words bridgeport rotary ;)

[abominableaussieman]

can some please tell me what song is playing at the end?

NICE rx3. 12a ftw

[GOD12A]

The track is SLAM by Pendulum. Off their album "Hold your colour". Killa track!!

[abominableaussieman]

Thanks mate

[DStylesHanska]

Could someone please tell me what does bridgeport mean? Can`t find much information about it through the internet. Please.

[GOD12A]

mazdarotary(dot)net and look under TECH for PORTING

[DStylesHanska]

Oooo sweet! Thank you! Had to bookmark that page. Going to help alot with my future 12a AE86 project.

[87chrissss]

im building my 12a bridgy now im trying to find that underdrive pulley set up you have it looks like a cog where did you buy it?? i cant find it on the internet helpp? last question what rear end and what gears do u have on that setup?

[GOD12A]

Heya 87. Search eBay for "gilmer drive". I have 4.55:1 ratio in the rear BUT also run a FC (ser5 or T2) RX7 gearbox. Hope it helps :)

[intertr0ns]

Noiiiice!

[GOD12A]

The port makes it sound rough, not the exhaust. I have outlined my exhaust in a previous comment if you want to see what i have done. It isnt cheap and all custom made. Goodluck with your car!!

[Boerseun303]

i'm busy building a 13B street port with side draft carburator (single)what exhaust can i use to make it sound like youre car?

[abominableaussieman]

Nothing. The only way to make it sound like his car is to get the ports Bridgeported.

[INFINIRX]

how come its got a 13b starter motor?

[GOD12A]

FC (Ser5) RX7 Gearbox ;)

[GOD12A]

Heya man, Alec Bell built the motor for me when he was in Oz as Rotary Power Australia before he started Kiwi-RE. Warren is a legend :) Wouldnt mind catching up with him next time im in NZ!!

[rollzon20z]

i have his work shop number if you want it.good rotary mechanic and its only at the corner of my street :) hes in wanganui now...

i loved hearing that 26b pp on the dyno :D

[rollzon20z]

what did kiwire do to your car ? there top guy warrens got his own bussness now pulse peformance

[Hillclimbfans]

very nice!!!

[soljar187]

mean bro mean

[emtrixdk]

savage dude, !

[SP2333]

Where is this car from... Im wondering if it was one of my old ones, Is it from Sydney...Has it been painted in this restoration... Could it have origionally been light blue

[GOD12A]

I have built this car from a stock RX3 and its factory colour was Earth Green before i sprayed it a brighter green ;)

[85Mazda12A]

what type of muffler is that

[GOD12A]

Its a mauffler i got custom made by a place in Sydney, Australia called HiTech Exhaust. Its a offset-centre straight through 3" x 18" long stainless effort with stainless steel packing around the perforated tube and glass packing around that to fill the rest of the muffler ;)

[irfaan132]

great job!!!!

[rtrmaster]

who`s the electronica track by at the end? "aybody"

[GOD12A]

Slam by Pendulum. Aussie Drum'n'Bass crew.

[botchla90393]

hahaha i know i knew your car from somewhere!!! i saw you today driving!! sick car man i love it!

[CRO13B]

nice and crisp sounding bridgey mate! I LOVE IT

[bigdogdazza]

Where did the turbo get to dude?

[GOD12A]

No turbo man, never had one on this baby!!

[RotaHeaven]

absolutley love your ride mate looks really nice. loving the sound of that gilmer belt. ROTAR REP

[RobThomasperth]

BEAUTIFUL CAR!!!

[gflames13]

mate good stuff nice paint job and nice running gear.....

[rayray891]

omg only 172 hp? sounds like a fucking 900 horsepower monster...i dont kno if thats good or bad but...i dont kno lol

[GOD12A]

Heya RAYRAY!!

Yeah man thats what the screen read, but then, dynos can be played with and figured screwed around, so until she hits the track, thats the only performance figure i have ;)

[TynanMaaka]

wow nice ride man rx3's are the bomb lol right now australia happends 2 be the home of rotarys i think lol. nice gilmer belt dude fukn luv that whistling sound lol sounds like its supercharged.

[TeHokimyster]

mean bro

[xvyxwqz]

Love everything about this car, BP sounds awesome, love the injection setup, gilmer sounds tough, beautiful exhaust note. Gold B45's on the green. Just perfect mate. Well Done.

[GOD12A]

Thanks man :)

Glad ya like her!!

[kaydawgg187]

hey ummmm, what sort of power do you get out of this motor, i got a 76 mitsi lancer sedan (it looks like a rx2), and im tryin to get a rotary for it... is it worth going for a 12a pp or just goin 4 the 13b. also what kind of work is involved in the injection setup?

[GOD12A]

No dyno figure yet, but im expecting around 200 rear wheel hp. I have spent alot on this motor, she aint an average bridgey ;) Both questions you ask are very open and really depend on where ya from to answer even half well!! Sorry :)

[kaydawgg187]

ok, cheers mate... i think i will be going 12a periphial port

[GOD12A]

Got her dynod on the weekend. 172rwhp. Less than what i expected but we did find that the intake manifold is a little too short and the tight curvature gives the graph a little "wave" down the lower end of the rpm. Time for a new manifold and we will hit the dyno in the new year!!

[cainorox]

i been looking for a rolling shell or something to buy and put away for when i get my license haha. dam i love the sound of this one! nice rig man.

[jimrummy1300]

cheers mate, thats awesome. thank you so much for the reply, cheers!!!

uve given me a great idea.

btw i obviously dig the sound of ya car haha, love it!!!

my 12 bridgy just dropped its first muffler, far from a good sounding car atm.

have a good one, thanks again

[jimrummy1300]

you got info about the exhaust matey?

[GOD12A]

Custom everything!! 1 1/8" equal length mandrel bent primaries (with a resonator on each side) to a 12" long, 3" diameter collector that flows into a 12" long stainless muffler, 3" mandrel bends over diff to the rear 18" long 3" muffler. Both mufflers are side/centre dogleg straight thru style. The front section is ceramic coated to minimise radiant heat from the exhaust heating the intake manifold. Any Qs just ask ;)

[markdaddy]

Great car mate

How did you go about fuel injection? How much did it cost? I'm grabbing myself a 1st gen rx7 and am thinking of going fuel injection + bridgeport too.

Any help would be great

Fantastic car btw, look great and sounds great

[markdaddy]

Awesome dude

So fuel injected yeah? How'd you go about doing that? Expensive? Time consuming? I'm grabbing a first gen Rx7 soon and it's gettin a bport, also thinking of fuel injection.

Sounds bloody awesome mate, looks the part too. Great work

[GOD12A]

Yep EFI. About double the money of a comparable carby setup, except EFI is much more driveable and reliable!!

[se7enHuss]

can we see this thing in action?

[GOD12A]

Very soon 7 ;) Just sorting registration now, then a few hundred kilometer run-in before final tune and then its video time once again!!

[shadowmaster100]

Mate whats the song used for the credits at the end of the video ?

[GOD12A]

Heya 100, the track is SLAM by Pendulum. off their current album "Hold your colour". Killa track!!

[CRO13B]

NOT BAD AT ALL, SOUNDS NICE AND CRISP! just needs a nice tune now, sexy rx3 boys.

[powerfest2007]

great looking car, how much has it cost to get it that far. I have been thinking about getting a RX3, but not sure what the figures are to do that. Thanks

[GOD12A]

Thanks, glad ya like her. Cost?!?! God himself wouldnt know. I dont want to know... Sit down and add it up with someone that has built something similar to what ya want, then double it. Thats not a joke, seriously double it...

[stillzy]

Hurry up and get it on the road. To a point your happy with that is!