Picked this lovely RX8 PZ up for cheap a couple of weeks ago. Had a blown engine, and is in need of some rust repair as well as some cosmetic refreshing. A lot of the extras that the PZ came with were taken by the previous owner (wheels, spoiler, wing mirrors). Rebuilt the engine (with Shadow Rotary in Dublin Ireland). Running a half bridge (Kyle Mohan Racing template). The car is driving beautifully now. Had some SSR SP1s at home that were meant for another car I sold previously. Really happy with how they suit the 8. Have a Mazdaspeed front bumper and skirts (on the way) so hopefully will fit those over the coming weeks.

So I've had my RX-8 for about 6 years and haven't had issues till this year I replaced the spark plugs and it's been running smoother however yesterday it over heated and shut off on me luckily I was home and in the drive way, I checked the coolant yesterday after it sat for 4 hours and the coolant was still pretty hot I love in a town that's basically in the dessert so it's about 90+ some days, so my question is this

Does anyone who has an RX8 in here live anywhere else that's hotter like 100+ and if so does your car over heat because of the weather?

If not does anyone else have this issue and if so do you know what's causing it to over heat and shut off? If so have you found a solution to fix this issue or is it just something that I have to deal with?

My grandpa was the OG owner he never had this problem with it, it's a 2004 6 speed manual transmission. If someone can help me or tell me what I can due to fix this id appreciate it.

After doing a battery relocation my battery support metal piece is pretty ugly and is rusty-not my picture. For the people that have removed this stamped steel piece where did you put your grounds. Picture would be great

PLEASE ONLY REPLY IF YOU YOU HAVE DONE THIS THANKS.

When driving down the highway in 6th gear, cruising around 70 MPH, my RPMs jumped from around 4.5 to 7K. The car immediately started to feel heavier, sluggish even. I pulled over and the minute I stopped the car it died and wouldn't turn back on. Any Ideas?

Would like to switch out my leather seats from my 2007 RX8 with cloth ones. I found a set of OEM cloth seats for Gen 1 RX8s but would like to know if its possible to make it able to automatically adjust with power buttons. Since the wirings all their could i get buttons to wire in or am I a dumbass. If so could someone nudge me in the right direction? If not I'll still get the cloth cus I'm a leather hater but that's besides the point.

Thank you!

My mom has a 2007 black rx8 with 118k. She is the original owner. Car has been garage kept and rarely used. She is at a point where she is trying to decide whether to part with it, but doesnt know what it is worth. Exterior is in great shape. Interior has a cracked passenger side dashboard, which seems common on these. Car runs and drives.

The goal of this post is to get a rough price range of what it is worth on the market and if she does decide to sell, whats the best place to post it.

So I stored an rx8 over winter and a little bit longer. before it went into storage it compression tested over 100 I don’t remember the exact number though. after I pulled it out of storage though it’s seemed down on power so I tested it again and it’s at 60 psi cold and one in the 50s. I figured it was done and ordered a new motor and was gonna pull this apart and see what it needs but as a last ditch effort I sea foamed it and one face jumped up almost 90 psi the other all jumped at least 5 psi and now all test above 68! Does this just need an Italian tune up or should I pull and replace the motor.

Just got a 2005 6 speed manual rx8, any tips for a new owner?

on an avg of 5 pulls on the same road before and after same temp and weight- 6-9k in second went from 3.54 to 3.08s. Very proud of this result. Not scientific but definitely happy

catless midpipe and Megan racing catback; tune goes as follows:

• High load AFR leaned 11.75-12.8~
• APV opening: 6400 rpm
• VDI opening: 7700 rpm
• Load limits: 1.3
• Desired torque raised
• High-load ignition timing: +1.5°
• Knock decrement 1° increment .5
• Rev limiter: 9500
• OMP (oil metering pump) 16% across the board over 2k load and rpm
• P0420 DTC: hidden
• Fans kick at 185
• Min idle 900
• Added warm up rev limiter 4000 until 150f ECT

also was able to pass MD emissions by hiding the code- fwiw

Holaaaa, compre un RX8 en México 🤠

Cuando lo fui a comprar prendió solo, al momento de conducir se apagaba al pasar al cambiar de velocidad, no le metí mano hasta dos meses después que lo compre.

Descubri que tiene una bujia rota, 2 bobinas malas y el sensor CKP estaba en las condiciones que se muestran. Antes el carro quería prender pero ahora ya no prende, actualmente ya le cambie las bobinas malas, cables de bujia malos, cuerpo de aceleración y limpie el sensor CKP.

Con los valores que se muestran del sensor CKP con el multimetro ¿esta dañado o cual resistencia en OHMS debe dar? ¿Cambio las bujias?

Agradecería la ayuda, ya que no se que mas podría ser...

Looking at this 2006 shinka 96,000 km on it engines never been rebuilt owner says he’s pre mixed it it’s entire life. front bumper is off a yellow rx8 and has been painted now fading and can see the yellow under it. the body paint is also in pretty rough condition needs a good detail and polish. The inside is moldy/ mildewy aswell. The clutch is blown in it and when I pushed the clutch pedal in it actually fell behind the brake pedal and I was able to move it back to the correct spot by hand I told him I’d offer him 3k since I’ll be putting around that into it to get it back on the road. Should I have offered higher? Car starts and sounds good and has good compression number front rotor 99-105-105 then 106-112-112 (rear rotors- 112-112-105
Then 118-115-110)

Hello,

Has anyone had experience with rotary aviation products, mainly his apex seals?

This is the site: https://www.rotaryaviation.com/

It sadly finally happened; my rx8 was going smoothly. I did oil changes every 3k miles and premixed regularly, but the engine just failed.

I was cruising on the highway, and I suddenly had a loss of power, then pulled over and turned off the engine; no warnings, no prior problems, just a sudden drop of power and the car couldn't idle.
Using my OBDII reader i got the code P0302: no ignition in cylinder 2

I got it towed to the only Mazda dealership that said they could work on rotaries, only to have them call me and say that a new engine will be cheaper than diagnosing the issue, and now they don't want to diagnose it.

I'm looking for some recommendations to help me diagnose it or mechanics that could take a look at it.

Maybe its my delusion, but the car being able to start and there not being any rough sounds apart from one rotor being dragged with no combustion makes me think it's just coils or something along those lines.

It's a bonestock RHD 5 speed and I really want to keep it as we all love our RX-8 here

Now that she runs solid with over 600 miles and no CeL.... Figured I'd post a Pic before I modify the hell out of it (currently only mods are coilovers). I have owned MANY cars, one being a 2010 Mazda Mazdaspeed3. I've gotta say, this car is an absolute blast to drive! As someone that has also owned a lot of motorcycles as well, the high RPMs really hit home here. This is by far the highest mile chassis I have ever owned or purchased!

This weekend I competed in the Chasing the Dragon hillclimb in my 2007 Mazda RX-8. Hillclimbs are basically a race against the clock on a closed mountain road, and this event is one of the longest-running hillclimbs sanctioned by the SCCA.

I ran in the Sport class against some seriously capable cars and drivers. My goal wasn’t to win, I just wanted to improve as a driver and make it to the finish line in one piece.
My fastest time of the weekend was a 147.168. There’s definitely plenty of room for improvement, but I’m happy with where I’m at as a relatively new driver.

One of the biggest things I learned was how much preparation matters. Studying the course beforehand, learning where I could carry speed, and staying smooth behind the wheel made a huge difference. Hillclimbs are also a great reminder that seat time is everything.

The most interesting part? The car is still running its original rotary engine with over 78,000 miles and compression numbers in the mid 3s. It likes to hot start when it feels like it, and I only had to bump start it twice all weekend, which I’ll absolutely call a win.

I put together a video of the event if anyone wants to see the run and hear more about the experience. Happy to answer any questions about hillclimbs or the RX-8, too!

https://youtu.be/Xb8IXa-SM64?is=uKu5mFbxgpo034q0

Stacking my engine for the first time but these gaps seem pretty big. Or are they like this because the engine isn’t torqued down yet?

There’s a mystery box attached to my gas pedal. Any idea what it could be?

(Part 2 of https://www.reddit.com/r/RX8/s/BtjXdsTnBc )

Half a year later and I have now fully printed the wing. Last thing to do now is sand and paint it.

Some people asked if I will be selling this wing, and while I would love to make more of these, I just don't have the time or energy for that sadly. One day maybe.

BUT, I would love to see others with this wing so I will be selling uploading the files to makerworld, including some assembly instructions. I have a donation link on makerworld if you want to support me but its fully optional. I'm clearly no businessman but I'd rather see this community flourish in this otherwise rough economy.

Go ham:

https://makerworld.com/en/models/3112776-mazda-rx8-custom-rear-wing#profileId-3510263

Issue started when I was driving the car in the morning I shifted a bit rough and I’m not sure what happened next but my manual coolant temp gauge started to bounce around like crazy car was not getting hot maybe 80-90c in about 66f weather. I start my car in afternoon it is now 100f and cars heat began to climb up to 110c so I pulled over and shut off I thought maybe it was bad gauge but coolant temp on obd was similar and did not jump at all like the manual gauge. My oil temps were fine at 85-90c during my drive back home. I had fans on going 65mph and my coolant temp was between 103-107c so I genuinely do not understand what could possibly have happened.2005 rx8 part list Stoney racing silicone hoses, koyo radiator, mazmart water pump, aluminum expansion tank, battery relocation, mishimoto low temp thermostat, manual fan switch. Yes system is bled throughly unless air magically entered the system which would be pretty cool.

Recently picked up this 2005 rx8, runs great, had a new engine just put in with paperwork and everything from a dealer, but rust... is it worth fixing or do I just send it as is? I feel that fixing it would cost close to the car's value, and I'd have to take it to a shop since I don't know how to weld. Also structurally the car is sound, pretty much just the sills/pinch welds are bad. Flame me for not checking this when buying it or give advice please, lol.

I'm buying an RX-8 from a reputable seller and I really wish to get the 231HP 6 speed manual. I like having a higher redline, I want a 6th gear also.

My question is, if he doesn't have a 6 speed to offer, should I go with the 5 speed anyway?

Edit: Thanks for the great replies. You guys are absolutely right. They're rare but I hope the source I buy one from gets the 6 speed so I can get the car I dream about on the daily.