Anyone with regrets after greddy turbo?
 

I am seriously thinking of jumping on the bandwagon! :rock:

1)Is the power enough or do you want/wish you had more?
2)Other then engine management is there any other problems with the kit?
3)Has anyone used an rp supercat successfully with this kit?(without backfiring like crazy)

Thanks

I regret installing it myself, does that count? I'm sure it will be worth it in the end though.

Good question. I still have some hesitations on this kit to this day. I LOVE the extra power, and the fact that I get more power from the bottom & midrange. But the Emanage had me pulling out my hair at times. I have pulled it out for something far superior right now. Car sometimes does overhet when you stand on the turbo for excessive amounts of time. 2 things I would change about this kit. Engine management & oil lines. The oil lines were leaking all over the place. Had to swap them out a bit.

I currently am running the RP Supercat on my car. With the hi-flow cat & original engine management the backfires were random & more than annoying, but now with the new engine management I no longer have that issue.

If you are going to drop big $$$ on a turbo kit I would suggest you wait for the PTP unit to come out. If you are on a budget, or want to build progressively than the Greddy kit makes sense. Just make sure that you have somebody that is very good at tuning & turbo installation.

What do you mean when you say the car overheats when under boost for excessive amounts of time. Could you elaborate on that.

1) In stock form, the power is not enough. You'll need a boost controller and a better EMS and then some dynotuning. Even then, the turbo is too small to create over 300whp.
2) The engine management is a BIG problem in terms of driveability. Theres too many dongles involved in tricking the stock ECU. backfiring, stuttering, airpump on after shutoff.
3) My rp supercat has STOPPED backfiring since I installed the new Interceptor EMS. And yes, it was very annoying backfiring even at cruising speeds.

The PTP kit does look to be very impressive but if you get their HKS FCON, you'll have to get it tuned by an authorized tuner which could be far from your area.
Since I'm local, I may switch to this kit in the future, depending on price.

At normal freeway driving my exhaust gas temperatures run about 1000-1100 degrees farenheit. When you stand on it (boost) for a bit the EGT's go up to about 1300-1400 degrees farenheit, the CEL lights starts flashing & you have to back off a bit. Fine in everyday city driving though.

Wow, I haven't had the luxury of having that happen yet. About how long do you need to be under boost before you see your CEL start to flash?

I agree with Fanman that the extra power at low and midrange is great compared to stock. My main issue is the same as most - the Emanage and the fact that Mazda continues to reflash the computer. My car ran great after the M flash - I would have told Mazda not to flash me anymore, which is OK per the service manager at my local Mazda dealer. I know I need a more comprehensive piggy back but I also do not know of any qualified tuners in my area regardless of which one I get. I have found that for simply adding boost, the manual boost controller is OK as long as there was a way to tune further. Although I have defended Greedy for customer service- at least in my case ( I have had a good raport with Benny, who has sent me his first attempt at correcting R flash changes by modifying one of my 2 adapters- this fix needs additional work) I am still not happy with the overall perfomance.

^ditto mostly.
sold mine. driveability questionable. wait

We sure do love our guinea pigs though. :3some:

can you put some more pellets in our bowl, please?

:yelrotflm

ok so the R flash messes the car up ?
my car has been totally screwed up since I got it back from the dealer for the last two recalls
more details here

https://www.rx8club.com/series-i-major-horsepower-upgrades-93/few-fun-problems-75873/

is there a way to get my M flash back?

Unfortunately I just got off the phone with the RX8 Mazda tech at the local dealership and he told me that there is no going back. I told him how bad the car drove after the R flash and totally unrelated to the turbo. He told me the R flash was to correct the amount of oil flow to the rotors for specifically automatics, but the change was made for 6 speeds as well. He was going to talk to the Mazda tech line and told me to call him back later

yeah I talked to mine, he said basically I should replace the o2 sensor and get the car retuned, maybe load a new map from GReddy.

le tme know if he can put you back to the M flash.

they can flash you back but they gotta dump their WDS and reload it from scratch up to the M flash or before the update with the R flash or whatever. I doubt they will do it just for you.

( once the WDS is updated it only has the newest updates.. it's also the reason that the dealers are often behind on flashes, they never update the WDS, or only do it when they have too... )

The 'R' flash had a part in messing up my oil seals in the front plate of the engine causing me to get a new engine. I'm just wondering why the seals went soon after the 'R' flash was done. With the 'M' Flash it ran great though.

sound like a lot of headaches... :crazy:

hmm...after you guys talk like this....makes me really wanna reconsider getting that turbo...

i still have the M flash and dont plan on getting it flashed EVER...man i really want a turbo!
decisions decisions decisions...

hey anyone recommend using emanage ultimate with the turbo?

I have the M flash, and I am also one of the biggest fans on this forum of the GReddy kit. I really think staying with the M is important. I have had zero problems. My only regret: that I didn't do it sooner!
:101384_l: :suitdance :bluesuit:

cool...i keep hearing that people have oil leaks and stuff...is that a common problem for everyone with the kit?

I didn't have a single drop.

Also, I think you are supposed to go around only once with teflon tape.... more than that, and you are really cramming too much material in there.

I keep hearing diffrent opinions about that. I think I went around 2-3 times with my supply line, and still have leaks. BUT, I think the leak is coming from somewhere else, which kind of scares me. I think the turbo is great, but mine may have been damange from being shipped so many times. I will have it check out very soon though. Overall, I'd recommend it, and hopefully I'll be driving mine by my birthday (nov. 29).

I concurr on the "R" flash issue. Nothing but problems at the moment.
I disconnected the buss wires on my OBD port so that the dealer can't flash mine while in for other things (foggy tail light, creaky sun roof).

Something doesn't agree with the turbo kit when running with the 'R' flash if you ask me. I'm going to take the kit off for a while and see what the problem is.

Even without the turbo, I had a rougher idle, and less power. R must stand for "rob" us of a flash we like. N was the best imo.

BTW & OT - cleaning the MAF last night made a significant improvement to my idle.
I didn't really think it was all that rough until I sprayed it down with plastic-compatible contact cleaner.
There was a fine coating of oily dust on the air temp sender and the tube leading into the MAF element that came right off with the cleaner.
I suggest it highly to those with a rough or uneven idle.

Getting R flash was terrible - Question - Would E manage tuning help problem encountered now at over 5k - the car runs very rich, not even in turbo and A/F gauge is buried below 11. Also sometimes the car stalls at hard or medium hard stop. Car is also popping much more when I let off the throttle - is very loud and annoying.

man if i ever got turbo and i got some oil leak...man that $#!t's gonna bugg the hell outa be

Blew my engine with the 'R' flash, GReddy kit, & eManage.

Form your own conclusions.

P.S. No, I do not over-rev & it was not lean up top, or shouldn't have been, since I was running the stock eManage map & Benny said it was good for 7 psi. The engine sh*t itself while at part throttle.

OUCH...maybe fuel injectors were pushed to its limits? or over reving?

The maps that the kit uses are made for the M flash. Some have said that the R is leaner than the M. So, you'd need to tune - starting with a richer map. I suppose there also might be some other changes like when the ECU goes into open-loop. That would be the real kicker. That would also explain why GReddy is testing a new dongle, rather than a new map for the R flash. You could also get lean conditions if the R used the primaries and secondaries with different emphasis than the M. The map that comes with the kit is setup for a specific ECU flash. Since its a piggyback ECU, you are taking chances when you change the map that its tuned for.

I don't understand... why would anyone get the R flash and not re-tune.

It's common sense. your base has changed and you have no idea how the car is running unless you tune it.

I know a lot of dealerships don't ask "do you want our latest flash?". So if someone were to bring their car in to get some type of recall or warranty work, they are going to flash it anyway. Perhaps that is what is going on.

wow, maybe i need to get my car reflashed lol i dont have a turbo kit, but the last time i took my car in was for the recall work n that was about 5 k miles ago, i barely hit 10k miles today, so i might be runnin the original flash or an early flash but i kinda noticed that my gas milage on city hit the shit, im gettin ok on highway though, about 230-250 dependin on speed......

My engine blew a 'o' ring this past week with the 'r' flash. I dont think it had anything to do with the turbo or anything else but the dealer said they'd fix it.

So do you need a whole new engine? How did you get your dealer to pay for that since you have the turbo? I can't believe they didn't blame it on that. That really sucks though, wow, seems like more and more people with the Greddy kit are blowing motors. Not good.

He didn't blow a motor. An o ring went out. Very different. So far, I count 3 blown motors. One of them was with the R flash. One of them was by some jokers with a dyno who were being paid to tune it, but didn't even know how to load maps to the emanage. I don't plan on encountering either of these situations.

I was regretting the turbo kit purchase there for awhile with all the issues I was having.

I've almost got my Greddy running good. The interceptor has fixed alot of my issues....
- rough idle
- boost would raise to 6psi then drop to 3psi at high rpms
- backfiring
- hesitation when going into boost

Here's a short video clip of my boost levels with the Interceptor. This is with it not tuned (slightly rich, 10.5 at WOT). I've made an appt for next Friday to get it tuned and then hopefully make it out to the dragstrip soon after.
More clips to come.

would emanage ultimate fix most of the issues as well?

If it only worked properly.
We're waiting on a series of hardware and firmware updates to address several issues with the Ultimate, including injector duty cycle and ignition phasing.

Which wires are these on the OBD port? It's not that I don't trust my dealer not to flash the car without asking when I go in for the gas tank recall, but I don't trust my dealer not to flash the car without asking when I go in for the gas tank recall.

so pretty much the ultimate sucks huh...

LOL, what are you really trying to say? :p:

Skudrunner,
Since the Interceptor-X does not use any of the factory fuel or ignition tables to run the engine, the dealer flashes that will alter the factory maps WILL NOT AFFECT THE WAY YOUR CAR RUNS! :cool:

No. Actually, for the cars the it is properly running on, it is awesome.
The RX-8 (probably for the same sort of reasons that everything else complicated), just doesn't have a standard fuel injector control pulse or ignition pulse.
On a box like the Ultimate, which acts as much like a stand-alone as any piggyback possibly could, full compatibility with the wave form and duty cycle of the control pulses is essential.

Scott,

I know; that's one of the things I love about the product. I was just taking the opportunity to take a shot at a dealer; plus, it wouldn't surprise me if the R Flash did something really stupid, like make the air condition even weaker than it already is. :D:

I found that the switch from cold to hot wasn't as easy as it should've been with the 'r' flash. It will stay cold even after being turned to the hot no matter how long the cars been running. I always had to find a certain combo of moving the knobs back and forth and turning the a/c on and off. It's wierd and doesn't happen all the time but it still bugs the crap out of me.

^that is wierd.....i don't ever have that problem