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This car stinks for tuning!

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Old 02-18-2004, 09:49 PM
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All the rotary gods are going to flock to this and say I don't know anything
Not just the Rotary Gods, I am proof.
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Old 02-18-2004, 09:55 PM
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an air filter and cat-back exhaust cannot seriously be considered as tuning. Most modern cars do not respond as well to these changes as cars from the past. The reason these changes do not dramatically increase performance in the 8 is because the intake and exhaust system is already "tuned" to the engine.

That being said, there are plenty threads on this forum dedicated to more serious tuning endevors such as fuel map modification, timing advance, header porting and polishing, and forced induction.

If you are really displeased with this car, please sell it and get a 350Z, you'd be much happier..
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Old 02-18-2004, 10:03 PM
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Yes - JeupRX-8 - you made a big mistake - bought a $25000 plus car knowing nothing about it - even got a automatic. The problem was and is not with the car.

The rotary engine from the factory is tuned up - so an aftermarket exhaust and intake will not add much IMHO. It is able to be turbocharged or supercharged - but as a new engine it will be some time before real plug and play upgrades are here.

Many on this forum are interested in being on the leading edge of upgrading this engine - many just love it's high tuned nature from the factory.

Enjoy the car - and sorry about YOUR mistake.

My 2 cents

John
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Old 02-18-2004, 10:06 PM
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You bought the wrong car for YOU. Seriously, the people that own and love them aren't going to agree with you. I got very technical in another thread as to why the auto has little if any potential. Anyone serious about performance first of all shouldn't buy the low power model when there is a higher powered version available.

Mazda did a fantastic job of getting an awful lot out of their engine to begin with. If a Z can get 30 hp from an exhaust and an intake then that must mean that Nissan did a crappy job with the exhaust and intake. Mazda didn't. They did screw up on the ecu which will get 30 hp (on the 6 speed) with a retune. Better to bite the bullet, pay the penalty and get out of the lease 5 years early than to own a car for those 5 years which you are unhappy with. I'm sure you'd be very happy with the Z.
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Old 02-18-2004, 10:10 PM
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Originally posted by JeupRX-8
Instead that have low-power engines that you can't mod easy. Who would've thought that tthis would be the case?

Troy J.
Just like most Honda's. Well you CAN mod them but you won't get crap in return.
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Old 02-18-2004, 10:11 PM
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tell that to the RX-7 guys...be prepared to put your flame suit on...

btw, you bought the automatic knowing VERY WELL it was lower on power, had a different engine, can't rev as high, etc...you deserve to be disappointed...

you're sitting here blaming it on the newly developed Renesis when it hasn't even been out a year yet...listen closely, the VERY FIRST ECU PIGGYBACK HAS BEEN PROVEN ON THE DYNO TO PRODUCE 20-25HP...and that's the first one from an enthusiast that regulars this board (Canzoomer)...his stage 2 dynos at 40-50hp...also, once more manufacturers learn the insides of this car you really think it can't be tuned?!? sorry, this entire thread is a joke...

like what the above poster said, sell it, buy a 350Z...or better yet, buy an automatic Civic since you probably can't drive stick the way a sports car is supposed to be driven anyway...i'm sure with your new Civic you can buy all your parts at Wal-Mart

EDIT: oops...i apologize in advance for the harsh tone...had an extremely bad day at work today...

Last edited by BRx8; 02-18-2004 at 10:14 PM.
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Old 02-18-2004, 10:12 PM
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Originally posted by JeupRX-8

One would think that either Mazda would make this engine powerful enough that you wouldn't have to mod it, or they would make the low-power engines in the 8's right now easy to mod so you can get more power easy. Instead that have low-power engines that you can't mod easy. Who would've thought that tthis would be the case?

Troy J.
One would think that Mitsubishi and Subaru would make thier engines powerful enough that you wouldnt have to mod it... Yet there are still PLENTY of peole modifying the STI and Evo.. My god, what were they thinking producing merely 13 second production cars.. why didnt they go all out and make them 10 second cars so no one would have to modify them???
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Old 02-18-2004, 10:13 PM
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I think for many the point that your missing is that there is no need to mod the car, since Mazda really did do a good job all around. Now if you want to go to FI, then as stated before you didnt do your homework before you bought the car. This has been said to some before and it stays the same. It is what it is and if you didnt know, you need to remember to do more research the next time ya buy a car.
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Old 02-18-2004, 10:22 PM
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JeupRX-8 - Mazda made the car they planned - a four seater sportscar - very capable direct from the factory - they are going to market a Mazdaspeed version.

Car manufacturers do not bring out car so they can be modified - that what the aftermarketers are for.

In the next few years - aftermarket mods for the RX8 will boom - just like that for the RX-7. You can wait (although the auto will never be able to be modified highly) - or work on itself yourself - or sell the RX8 and get a more 'mainsteam' car.

The Renesis engine is what it is. Normally aspirated - the engine is highly tuned. It will be in the future be turbo or super charged from factory or aftermarket. Just like the engine in the S2000 - it's a high reving tuned powerplant - from the factory.

In three to five years I'll look at modifications of my car - as at that age some work will be needed. In the meantime - it's zoom-zoom.

John
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Old 02-18-2004, 10:34 PM
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JeupRX-8 - You say "I do not buy crappy cars" - sounds like you don't buy any cars - Daddy does. John
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Old 02-18-2004, 10:37 PM
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Just as I did 11 years ago with my trusty 1993 Probe GT, I'm getting the RX8 because it doesn't need mods... It's the "complete package"; the "real world sportscar". it's wonderful "right out of the box."

After having driven several others (I won't name names...), I'm quite convinced I won't be bored with the 8's personality after only a few months. Or years, for that matter. I certainly can't say that for the Sub, Z, Inf, or Mitsu.

Oops... I named names. Oh, well...
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Old 02-18-2004, 10:42 PM
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The agony. The pain. It brings me to tears.

I bet you are emabarrased showing up in your pos new car. Stuck with it for 5 whole years! Everyone knows rotaries are slow. You should have made your daddy buy you a viper. I bet those Dodge dealers would have given you a lot more respect for that!
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Old 02-18-2004, 10:44 PM
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Murix: Here, here !!! John
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Old 02-18-2004, 10:49 PM
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Re: This car sucks a$$ for tuning!

Originally posted by JeupRX-8
Registered: Feb 2004
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JeupRX-8 is now Online:

I am over the fact that the auto can't gain anything, but I am mearly discussing the Rotary Engine lineup in general. IMO, these engines are a joke for tuning; if I would have known as much as I do now I wouldn't have purchased the vehicle. Compared to conventional engines, the Rotary engine isn't **** besides the 90lbs less. All the rotary gods are going to flock to this and say I don't know anything, but it is the truth.
The engine is pretty much as high-strung as it can go (maybee the manual can be tuned to a bit higher), but it does not accept mods like a standard V6 or I6. My friend's 350z has gained 30+ HP on an intake & Exhaust---compaired to an rx-8 with maybee 10 if you are lucky! The Rotary is a very poor engine for aftermarket tuning and I am pissed about that, but life is a bitch... so what do ya do? I am 18 and I have this car for a 5 year loan, ****.


Troy J.

'04 RX-8 Slowbox with Touring Pkg.
LOL your really funny. Japans fastest street car is an FD, the FD is one of the only imports that runs 6's in the pros, etc.

Since my FD has a rotary this is fair game. Bone stock the car makes 255 HP (217 to the wheels). When I added an Exhaust (downpipe, catback, highflow cat) , intake and computer (to add fuel) My car dynoed at 265 to the wheels. Thats 50 + hp. Then I removed the highflow cat and put a mid pipe and my car dynoed at 298 to the wheels. Then I had it dyno tuned to 315.8. Thats with nothing but a full exhaust and computer and intake. The computer did nothing except add fuel.

Next, The Rotary engine is more than just being light. The fact that it is so compact it allows the car to be lighter than other similar cars. Thats why the FD weighed 2800 lbs stock, vs 3400 for the supra, 3500 for the 300ZX and 3600 for the VR4.

Rotaries are very tuneable, The problem with the rx-8 is the fact that the car is n/a and the displacement is too small. The 13B made about 160 HP n/a vs the 225 or so from the renesis. This engine is already tuned from the factory. With timing and some kits you will probably get to about 217 to the wheels in n/a form (max).

BTW, Mazda can make the rotor housings thinner to allow larger rotors to gain about 15 pct more displacement.

Quit bitching, the rotary is a fine engine and has its place.

BTW, what is the only Japanese car company to win lemans? Yea thats right MAZDA and they did it with a rotary....oh yea and it was the biggest landslide having the last 4 hours of the race to itself.
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Old 02-18-2004, 11:00 PM
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The 2nd place LeMans car was also 32 miles behind the 787B!!!
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Old 02-18-2004, 11:10 PM
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Zerobanger...

All I have to say is.... go 787B!!



Now with Mitsubishi's service record and recent scandals, I wouldn't buy from them either! But Subaru? Do you even know anything about them? They are a division of Fuji Heavy Industries and sell quite well in Japan. Actually I bet I see more Legacys on the road in Japan than I do any one model of Honda. The Legacy wagon is especially popular... as many Japanese go skiing and the AWD system is bullet proof. The turbo engine drops 280hp and there is room for everyone. Subaru seems to do better and better as time goes on. Honda on the other hand... they can hardly sell anything in Japan. Why Americans buy them I don't know... my experience has been mixed, and in the future... I don't like FWD cars, so I won't be buying a Honda. The S2k is a waste for me, because it's just too tight inside... I'd rather buy a Z4. Acuras are utterly ridiculous...all FWD cars even though the compeition is RWD. Guess why Lexus sells better...

About the FD... yep you do see a new of modified FD's around, but no where near the number of Slivias and GTRs that you'll see.
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Old 02-19-2004, 01:33 AM
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I must say that this is the 3rd guy I've seen melt down on rx8club.com. Some people have their ego attached to the car and when something doesn't meet their ill informed expectations; they just flip-out.
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Old 02-19-2004, 05:22 AM
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JeupRX-8 is right. He's the only one on this list with the b**ls to set the record straight. Everyone else either has the cash tucked away for a turbo install (not me) or is under the Placebo effect. Hell- look at the message boards for the Edsel- it' sfull of people that love those cars to. I have been feeling this way since it rolled off the dealers lot, 2 weeks ago, but was too ashamed to admit it. He has given me the courage to do what must be done, so here goes- i'll be listing it in the for sale section here and on ebay- first serious buyer gets it.

For Sale - Titanium GT /Chaparrel interior- 6 speed- build date - dec. 2003. driven less than 200 miles- 3M coating on the front and rear bumper and headlights- (my loss is your gain) Canzoomer unit currently en route- I can;'t cancel it- so the new owner will have to install it him or her self. Pickup in New York City or I'll drive up to 6 hours to meet buyer if you agree to drop me at nearest greyhound station.

Best SERIOUS offer takes it. I'd rather sell here than ebay to avoid the fees.

Please email me at

cinedude13342@yahoo.com

Not sure what car I'm gonna get to replace the 8. Something with ***** though- like JeupRX-8- You the MAN!!!

----------------------------------------------------------------
DISCLAIMER EDIT: The above post was my very dry attempt at humor. I am NOT selling my 1 week old RX8 with 200 miles on it.

Last edited by Omicron; 02-19-2004 at 11:04 AM.
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Old 02-19-2004, 05:54 AM
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Yeah, This car isnt tunnable at all, hence why people are seeing 30+ hp from piggy back TUNNING,.. thats right,.. TUNNING, which doesnt consist of making the dealer bolt on that piece of **** exhaust with a 7 inch tip "Daddy" bought you to go with your heavy *** 19 inch chrome rims.

another thing, car companys dont make cars to cater to your personal situation, people that drive automatics usually dont mind the performance hit, or they would have gotten the stick in the first place. That goes for the whole question as to why they didnt make the car more "tunnable" as well.

They dont make cars to "tune" they make cars to sell the fact that the 350z gets 30hp from an air filter and exhaust only attests to how crappy thoose pieces were designed in the first place ( the motor is the damn maxima motor virtually unchanged what did you expect?) Ideally a motor would pick up 0 HP from crap like that, your bagging on the fact that the motor is so well tunned form the factory.

Theres so much crap you can do, nitrous, super charger, turbo kits. Hell swap in a REW if you want "tunnability" Stop being so damn whiney and be glad you've got it good enough to get a 25,000 dollar pieace of machinery from you parents hard work. To bad you didnt do reasearch and end up with a "tunnable" car so you could more adequately furfil your personal insecurities with a more masculine effigy.

Do yourself a favor and the world a favor.
1. Return the car.
2. Get a damn Job, and/or use your own money for your OWN things (not daddies money incase i was unclear)


Maybe then you'll take the care to research major purchases when its YOUR money you using, and be happy with what you end up with. Maybe once youve done soemthing with your life you wont need the 19 inch rims and flashy car anymore, or atleast respect every dollar that went into it and the amazing piece of engineering it is. Cut the damn cord dude.


o /
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o /
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Old 02-19-2004, 06:12 AM
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Cut JeupRX-8 some slack man!!!

My Car's still for sale.... No takers??? It's been almost a half an hour since I posted. I guess no wants a slow *** car like mine- also I added weight on that 3M coating- slows the damn thing down even more- anyone know how much the canzoomer unit weighs? Even more loss there!
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