when you watch the youtube you see the cars reving up and giving the pop pop bang flame thing. now how how do they do that and are they damaging the engine, asuming its warmed up and the cars not reving its nuts off.

Bee*R Rev limiter?

 

http://www.nengun.com/bee-r/rev-limiter

anyone on here got on. i like that its ajustable so you can set ur revs for say 4.5 5 thou so u dont damage the block dump aload of unspent fuel in exhaust and bang. cool. i want one but itll have to wait for the summer.

mark derby has one hell of an install in his car ,

A quick search finds you this.

 

http://www.300zx.co.uk/forums/showthread.php?170839-A-video-of-My-Bee-R-rev-limiter&highlight=Bee+rev

 

Post #5.

And this.

 

http://www.300zx.co.uk/forums/showthread.php?154059-Test-run-of-my-Bee-R-rev-limiter&highlight=Bee+rev

Right ive been looking at the write up on these but still have a question.

here is what i found:

 

This is Bee*R’s popular two-stage ignition cutting rev-limiter. It is used to prevent damage arising from over-revving your engine. Part of the reason for its popularity is the large flames and loud bangs it produces from the exhaust when active!

 

The way in which it works differs from the factory rev limiter in that it is an ignition cut, as opposed to a fuel cut. The reason for this is because if an engine (particularly turbocharged) regularly hits a fuel-cut rev limit (such as in high performance driving, or particularly drifting) engine damage can arise due to the lean condition produced when the original ECU shuts off the fuel pump. The BEE*R rev-limiter allows fuel to pass into the engine still, limiting engine speed by disabling the ignition signal. The Bee*R rev limiter is fully adjustable in 500rpm increments, for safety reasons allowing only a lower rev-limit to be configured than standard. If you have spent a lot of money tuning your engine, or are running at high RPM’s for extended periods of time, it could be recommended to run a lower rev-limit to prolong engine life. Both Formula 1 and JGTC cars use ignition cutting rev limiters, so it is a fully race proven concept.

 

The Bee*R can also be used as a “two stage rev limiter”, as an aid for launching your car. The Bee*R is configurable for two different rev-limits. A lower rev limit can be activated by a switch, the handbrake switch often being used. This configurable lower limit, can be set to the optimum RPM to launch your particular car from in 500rpm increments. When the handbrake is released, the usual rev limit comes into action, allowing quick launches, and full performance down the strip.

 

The Bee*R rev-limiter has another final neat feature. The gain control knob allows you to adjust the frequency of the ignition cut. This in turn changes the frequency and sound of the flames and bangs from your exhaust!

 

Available for use with all rotary, 4 and 6 cylinder engines. (No V8 application)

 

Right and heres my question?: right so you cut the ignition signal to stop the car from reving. got that , the car is still dumping unburnt fuel into your exhaust ,right. got that. but were does the bang come from when the unit times out pending on your ajustment then the ignition comes back on then the engine fires and were most of the unburnt fuel in the exhaust right? and if this is the case wont the bang dend a shock wave back into the cylinder or is this not possible cas the valves are shut. and the cars ecu dosnt get or rather fell and regester the what would norm be considered knock/ denotation? if you get what im saying. i hope im making sence.

???

Why do you want your car to go "pop pop bang flame"...?!

I've got one, I use it for 2 reasons, 1:I have no rev counter so it's set at 6,500 to stop it ever redlineing, 2: it's wired to the handbrake as a sort of launch control, although I did find I can launch faster without it

 

It's Turned off most of the time as it does get old very fast...

Basically the rich mixture that comes out the exhaust, as obviously the no spark scenario causes this, explodes as it hits the heat of the exhaust. You will notice that black smoke cones with It, that's the rich mix showings

It's not overly

Why do you want your car to go "pop pop bang flame"...?!

 

oh come on , you woulnt use it all the time at a low level setting, but like someone said if you are going to give it the beans nice to know you havnt got to keep looking at the rev counter to keep her below the 6k mark for peace of mind say. and yes the novalty will were out until your in the middle of town sitting next to a aventador giving it the large. sorry in my book its as necssary as giving it large up the road. and if your driving an na auto then i guess you love the looks of the car more. but when a child has a toy dose he not play.? and if you got it then flaunt it.

Any Lambo driver who found himself with a Zed revving and banging next to him would probably roll his eyes...

Lol get anti lag. Shit for your turbos but it goes pop bang all the way through the rev range whenever you lift off.

Any Lambo driver who found himself with a Zed revving and banging next to him would probably roll his eyes...

 

although i and some other may be in the minoraty but just type into youtube aventador in london revs and see. worth a watch if nothing else.

If you were using it as a drift car or other high rev applications, it would be better for engine longevity. Less chance of det. Many high performance modern cars are rev limited like this anyways, rather than the traditional fuel cut method.

 

For most people esp the civic crowd it's for show. I do however like the idea of spitting flames during a full boost gear shift like a rally car or full blown race car.

If you were using it as a drift car or other high rev applications, it would be better for engine longevity. Less chance of det. Many high performance modern cars are rev limited like this anyways, rather than the traditional fuel cut method.

 

For most people esp the civic crowd it's for show. I do however like the idea of spitting flames during a full boost gear shift like a rally car or full blown race car.

 

big up the z32 bolt