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06-13-2019, 01:45 PM
Replies: 112
Views: 20,354
Posted By sonicsdaman

https://i.kym-cdn.com/photos/images/newsfeed/000/5...

https://i.kym-cdn.com/photos/images/newsfeed/000/504/955/7fe.gif
10-14-2018, 10:11 AM
Replies: 5
Views: 1,157
Posted By Loki

Carbon deposits

Interesting video by Engineering Explained, interesting in that he found actual numbers for conditions that deposits form and burn off.

https://www.youtube.com/watch?v=5C9Ie4BcYew

Coles notes:...
09-11-2018, 12:19 PM
Replies: 17
Views: 1,472
Posted By StealthTL

Please folks, your input is not required in Sales...

Please folks, your input is not required in Sales threads.


Nobody cares what you think the price should be, nor your opinions on automatics.....


Beautiful car...
05-17-2018, 07:26 AM
Replies: 11
Views: 1,608
Posted By NotAPreppie

I've noticed that some endlink studs/bolts are...

I've noticed that some endlink studs/bolts are significantly smaller in diameter than the mounting holes on some swaybars. If you don't crank the nut down (possibly in excess of the torque limits of...
05-17-2018, 07:18 AM
Replies: 11
Views: 1,608
Posted By Steve Dallas

Mine started doing the same thing after I...

Mine started doing the same thing after I upgraded the sway bar and end links. I replaced the end links with a different brand a few years later to see if I could get it to stop to no avail. I...
05-17-2018, 02:27 AM
Replies: 11
Views: 1,608
Posted By Jastreb

I've been experiencing the exact same thing for a...

I've been experiencing the exact same thing for a while now. Nothing seems loose. Hear it from both front and rear suspension. I am leaning towards blaming this on old sway bar bushings, but have...
04-25-2018, 06:28 AM
Replies: 0
Views: 546
Posted By dalippy

omp pump faults found definitively

Hi i just thought id share some information. ..i have a 2004 rx8 with a fresh rebuilt engine
had a lot of problems with the omp pump..
i emptied a can of contact sprayin behind the position sensor...
04-14-2018, 03:58 PM
Replies: 11
Views: 1,608
Posted By Loki

I had a similar pop after replacing the LCAs. ...

I had a similar pop after replacing the LCAs. One side's rear most bolt was not fully tightened.

Sway bar moving around in a broken bushing could do it also. Check if either wheel is loose in...
02-25-2018, 05:15 PM
Replies: 8
Views: 776
Posted By Brettus

Bit late ...but here are the parameters I monitor...

Bit late ...but here are the parameters I monitor when tuning etc :


https://cimg9.ibsrv.net/gimg/www.rx8club.com-vbulletin/1249x103/80-parameters_15e023eee76b4e69207fca07efc4b584f65b8daf.jpg
02-25-2018, 03:52 PM
Replies: 8
Views: 776
Posted By Kane

123

123
02-24-2018, 02:58 PM
Replies: 8
Views: 776
Posted By Loki

O2 sensor failure manifests as inconsistent...

O2 sensor failure manifests as inconsistent readings or slow response. There is an OBD code for slow response, and I *think* there is one for inconsistent readings also. So you don't really need to...
02-21-2018, 06:47 PM
Replies: 8
Views: 776
Posted By Kane

Luckily, I am an excellent translator of...

Luckily, I am an excellent translator of disgruntled veterans.:rock:
11-15-2017, 09:59 AM
Replies: 31
Views: 3,424
Posted By New Yorker

IamFodi, just know that, believe it or not,...

IamFodi, just know that, believe it or not, you’re not the only person on this forum who wouldn’t dream of messing with the catalytic converter. As you wisely point out, people do breathe the air...
11-14-2017, 10:04 PM
Replies: 31
Views: 3,424
Posted By UnknownJinX

That's what I am thinking. It's bad already,...

That's what I am thinking. It's bad already, don't make it worse.

A good cat like HJS Tuning cat also won't rob you any performance.

While shooting flames would be awesome, the tradeoff isn't...
11-13-2017, 06:36 AM
Replies: 14
Views: 2,464
Posted By NotAPreppie

Would it help to do a deposit system? Charge them...

Would it help to do a deposit system? Charge them $300 and then refund $270 of it when you get the tool back in good condition.
10-24-2017, 03:51 PM
Replies: 2,169
Views: 252,088
Posted By TeamRX8

WTBRotary’s Daryl Drummond built engine dyno ...

WTBRotary’s Daryl Drummond built engine dyno


https://cimg0.ibsrv.net/gimg/www.rx8club.com-vbulletin/480x480/80-1069888_10200184975802775_501725210_n_54215ea55040008dd03c45fd8603b6c5ae3b8d6d.jpg
10-24-2017, 03:28 PM
Replies: 2,169
Views: 252,088
Posted By TeamRX8

All my engine dyno sheets typically indicate...

All my engine dyno sheets typically indicate around 1650*F for egt @ at max rpm and 13.1 AFR give or take a few. A MoTeC ecu was used on the dyno runs, not a factory pcm. I wouldn’t really trust...
10-24-2017, 03:35 AM
Replies: 2,169
Views: 252,088
Posted By gwilliams6

You have some valid points here IamFodi. When I...

You have some valid points here IamFodi. When I ran my track RX7 (turbo and up to 400 hp, depending on tuning and fuel) I ran on full synthetic Amsoil and premix, just like the pro IMSA RX7 teams...
10-23-2017, 02:17 PM
Replies: 10
Views: 640
Posted By Loki

Yes.

Yes.
10-22-2017, 09:55 AM
Replies: 7,264
Views: 420,279
Posted By wankelbolt

The MOP injects the oil directly onto the apex...

The MOP injects the oil directly onto the apex seals. There is no way for that oil to return to the sump (unless you have a broken engine). It is all burned/blown out.
10-19-2017, 05:35 AM
Replies: 16
Views: 903
Posted By mazdaverx7

The BG products are fantastic! I use their...

The BG products are fantastic! I use their products in my cars and I have a BG rep that I deal with and purchase the products from. With that said, I don't use the MOA in my rotaries. While its a...
09-15-2017, 06:17 PM
Replies: 10
Views: 1,171
Posted By Jastreb

On a normally driven car, the clutch should last...

On a normally driven car, the clutch should last well over 100k miles, but so it's not mandatory to change it out now. But it's a good opportunity to save on labor.

Inspecting and cleaning the...
09-05-2017, 05:24 PM
Replies: 5
Views: 578
Posted By gwilliams6

It will be fine my friend. Have done it myself.

It will be fine my friend. Have done it myself.
09-02-2017, 04:25 PM
Replies: 5
Views: 578
Posted By Brettus

I've filled the fuel tank right up to the brim on...

I've filled the fuel tank right up to the brim on numerous occasions (doing mileage tests). Never had any issues .
09-02-2017, 04:16 PM
Replies: 5
Views: 578
Posted By dannobre

You should be fine...clean up the mess and drive...

You should be fine...clean up the mess and drive it far enough to get the fuel level down into the tank a bit. if it's loaded up the charcoal canister it might run a little funny if it is purging...
08-26-2017, 09:14 AM
Replies: 42
Views: 1,615
Posted By New Yorker

Yeah, I liked it, too. Colin Chapman's philosophy...

Yeah, I liked it, too. Colin Chapman's philosophy clearly drives Mazda engineering (and obviously Lotus', too). I'll always favor the few automakers who subscribe to it.

Wikipedia:
"Chapman's...
07-17-2017, 03:19 PM
Replies: 17
Views: 1,418
Posted By 9krpmrx8

I would use some Techron, I change my plugs every...

I would use some Techron, I change my plugs every 10k and they are way cleaner than those. I run a SOHN and premix.
07-17-2017, 02:39 PM
Replies: 17
Views: 1,418
Posted By StealthTL

The crud is just from burning oil, but the color...

The crud is just from burning oil, but the color is great.
07-09-2017, 08:14 PM
Replies: 16
Views: 3,667
Posted By gwilliams6

I have used Jim of JPR for many things on my RX8....

I have used Jim of JPR for many things on my RX8. He is a master rotary tech and wrench that has worked for decades on rotaries , stock, race and drag. He has built these and custom rotary cars from...
07-06-2017, 03:10 PM
Replies: 1
Views: 452
Posted By 9krpmrx8

Nope, I have done it many times. I mean...

Nope, I have done it many times. I mean technically you should not but it's not a big deal.
06-24-2017, 09:00 PM
Replies: 7,264
Views: 420,279
Posted By Williard

FODI, Carbon deposits are really a thing. ...

FODI,

Carbon deposits are really a thing. It's not so much chunks of things. It's more like a resin style substance that gets trapped in the seals grooves/paths whatever you want to call it. :)...
05-03-2017, 07:43 PM
Replies: 105
Views: 23,599
Posted By BigCajun

Rotary Engine Rebuilders

Many of us need rebuilds, and I've spent a good bit of time searching.
I can't seem to find a thread with a substantial number of reputable rebuilders, so I thought I would post the ones I've seen...
10-11-2011, 05:49 PM
Replies: 59
Views: 34,588
Posted By Tamas

Eccentric shaft rear bearing At the...

Eccentric shaft rear bearing

At the beginning of this article we saw how much wear the eccentric shaft’s front plain bearing surface sustained. Unfortunately the same can be said about the rear...
10-11-2011, 05:46 PM
Replies: 59
Views: 34,588
Posted By Tamas

http://www.mazda-auto.hu/userfiles/mazda_rx_8_13b_...

http://www.mazda-auto.hu/userfiles/mazda_rx_8_13b_msp_wankel_trochoid_auto_expanzio_kft.jpg

The second chamber’s rear cover surface doesn’t bring a lot of news. It is not as good as in the front,...
10-11-2011, 05:38 PM
Replies: 59
Views: 34,588
Posted By Tamas

Apex, corner and side seals (rotor 1) We...

Apex, corner and side seals (rotor 1)

We arrived to the front rotor's apex seals, corner seals and side seals. I will share the measured wear data with the reader.
...
10-11-2011, 05:33 PM
Replies: 59
Views: 34,588
Posted By Tamas

One could say that at 900 degrees Celsius the...

One could say that at 900 degrees Celsius the engine oil has little chance, but it seems neither oil combustion deposits, nor carbon from gasoline combustion can accumulate, even though the latter is...
10-11-2011, 05:28 PM
Replies: 59
Views: 34,588
Posted By Tamas

The front rotor housing Continuing with our...

The front rotor housing

Continuing with our Wankel engine, we arrive to the front rotor housing. Obviously, the condition of an engine cannot be assessed by just eyeballing it, it has to be...
10-11-2011, 05:25 PM
Replies: 59
Views: 34,588
Posted By Tamas

Translation

OK, here is the text in a hopefully more readable format than the Google translation. Mind you, I probably mistranslated a few things :D:

RX-8 13B-MSP RENESIS 100,000 km.
Date: 2011-05-05
...
02-19-2009, 09:37 PM
Replies: 241
Sticky Brake FAQ
Views: 124,597
Posted By justjim

Brake FAQ

There are a lot of repetitive questions about brakes. I don’t see a Sticky for a Brake FAQ so I'll try and start one, maybe it will reduce some of the repetitive questions. I wrote the Brake FAQ...
12-01-2008, 01:48 AM
Replies: 420
Views: 177,629
Posted By ASH8

First there is a structural change to the engines...

First there is a structural change to the engines oil filter.

The 09 RX-8 has approximately a 25% larger oil filter, the mounting/screw in face is the same but the oil filter body is longer by...
12-01-2008, 01:47 AM
Replies: 420
Views: 177,629
Posted By ASH8

Mechanical Changes On RX-8 Series I to II

As a former Mazda Parts man I thought I would highlight some of the Mechanical/Internal changes between the Series I and Series II RX-8.

It may be boring to some, but I find it relevant,...
Showing results 1 to 41 of 41


 
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