im almost completly stock ive just done a basic tune up & a cold air only had my fc for about 2 months and have yet to hit the rev limiter... wondering if it came stock with one and i have yet to hit it or has the previous owner removed it?

 

Yes it has a rev limiter, and there is no way to remove it other than a standalone or reflashing the ECU (ie. RTek).
From my experience, the s4's limiter is set at 7800, and I think the s5's is at 8500. I have also heard that all are set to 8500 but the tach only goes to 7800 on s4's, so I dunno. That said, unless you have major port work then you are losing speed by going past the redline. For s4's, which I think you have, the power starts dropping off about 6500 whith the stock ports, so there's no reason to go near the rev limiter.

 

damn, after 2 and a half years of owning my s5 TII i thought my rev limiter was broke or it had been taken out but you say that the s5 is at 8500 lol that's why ive never heard it before on my car. the most ive gone with my TII is at 7800 rpms.

 

the tachs go to 8 and ive gotten to about 7300 not even trying to by just doing stupid **** but i have yet to hit it i dont wanna go past 75 cuz i dont wanna do too much damage

 

the rotary engine loves redline, you should hit it once in a while lol.

 

Well, I have no idea about the limiter on a TII, the 8500 was for an NA which has a higher redline. For the record, I have never seen any concrete data on where the redline is, its just based on what I have seen people say here. The only thing I do know for sure is that my s4 hit some sort of rev limiter when the tach said 7800 on my car. I took mine to 7500 fairly regularly since my port job allowed it to make decent power there, and I would occasionally miss a shift or something and hit the limiter, which is how I know.

 

redlines at 7 tach drops off at 8 i just dont like that damn buzzer... know how to disconect it?

 

If you can hear the buzzer your exhaust isn't loud enough

 

i was riding in my buddies s4 na when he was doing donuts and stuff, he def. didnt hit a rev. limiter because there was no buzzer and i watched the tach hit 8k multiple times...but yeah there really isnt a point going past 7k.

 

aww come on... i got a couple leaks lol... ima poor kid i got mine for 500 its not bad... i cant really work on it until the summer because im in school... but once school lets out ill be getting more hours and more time to work on it :-) im working on getting it to breathe better

 

Weird, because I'm certain mine hit some sort of limiter. I've heard of other people that had the same thing happen, yet others say they've gone past 8k. Who knows. I dropped in an s5 block, so once I get it running I can test for sure.

To killinit, I would say your best bet is to get the RB dp and presilencer, or if you can afford it the header and presilencer. That will get rid of the cats and free up the most HP for your money. After that you can get the catback of your choice. If you have some free time, you can get a cone filter intake (they all have similar gains, but K&N, Apex, and Bonex filter the best) and make some type of cold air intake. If you don't do the CAI you won't gain any power since you will be sucking in hot engine bay air.
After that, you need to upgrade the suspention. For about a grand, you can get the Ground Control coilovers and some type of aftermarket struts (I have KYB AGX's) and you will have an amazing handling car. Its kinda stiff, but it makes all the difference in the world for how it drives. There are other setups out there, but that is the one I have experience with, plus its one of the most affordable coil-overs.

 

when i get some more gas and some time aside of my life to go run ill see if i can hit it

 

I dont think the n/a has a rev limiter and if it does its definitely not 8500. About a month ago I was under the hood looking for a vac leak and decided to rev the motor a little, for whatever retarted reason i pressed way too hard and reallllly revved it. I later went back in the car and the safcii says my max rpm was 8900+. I am glad nothing was damaged by my stupidity but I definitely did not hit a limiter.

 

the only time i ever get up in the 7k range is if im breaking it loose around a corner or tryng to get into a 3rd gear burnout in the rain i usually shift at 6700.

 

first: my S5 tII hits the limiter at exactly 8000rpm. if you disassemble the cokpit you'll notice, that the tach needle is physically limited to not go farther than 8000rpm, so even if you would be able to rev it farther, the needle wouldn't move above 8k.

second: i've heard from several people, that there are some FC's that haven't got a limiter anymore, so they can rev the **** out of them. the only limiter to them is the physical limitations of the efficiency the air is circulated. maybe due to some malfunction of the ECU. Could be the age of the electronics...

to anyone that's interested: the buzzer is located right behind the circuit board of the cockpit assembly (tach and speedo). So if you take the assembly apart and it is behind the board on the outer left side. it is soldered to the circuit board!

 

Removing the buzzer is stupid.. That thing is music to my ears.

 

A cockpit is where an aircraft pilot sits. You mean instrument cluster.

It's more likely they simply haven't revved it high enough. The limter isn't seperate electronics, it's part of the ECU's firmware. The ECU's programming tells it when to stop firing the rear injectors.

 

You said ****.

 

sorry for my bad english... maybe it's because may native language is german...

could be possible, only heard of them reving without limitation...

 

Don't worry, your English is a lot better than some here...

 

Definately, I wasn't critisizing you.. I was just being sarcastic.

 

turbo ii's do not have rev limiters.

didnt notice which model you have. but i just spin until i get tired of spinning

zoom zoom

 

er... NO!

actually, every TII i've driven so far has a rev limiter...!
it acts like on almost every other car: if you hit it, the engine stalls immediately and (if free flowing exhaust is mounted) shoots nice flames

 

I think he means its not an actual REV limiter.. its just a fuel cut. In an NA its based on actual RPM speed, where in TII's its based on load. I am probably 98% wrong on that.. but I think I read it somewhere.. so it must be true.

 

hmm... how can an rpm limiter be based on load?? i'm jealous...