Trig Posted March 13, 2004 Share Posted March 13, 2004 Just having a little read up on Rev limiters. Just a couple of Q's. Is it worth fitting one to my N/A? Ive read that it obviously cuts the engine when you get to a set RPM but also read that it also makes a loud and satisfying bang. (also read that flames may appear with a good exhaust system and no cats! ) Seen theyre quite cheap(ish) too. Im really just after it for the sound and flames. Any thoughts guys/gals? Link to comment Share on other sites More sharing options...
Syed Shah Posted March 14, 2004 Share Posted March 14, 2004 Your car has a rev limiter, no reason to add one. You could gain from raising it though if you have cams/headwork etc Link to comment Share on other sites More sharing options...
Trig Posted March 14, 2004 Author Share Posted March 14, 2004 Really?? How come theres no bang/flames or anything? I thought with this one you could adjust it so the engine cuts at a lower rpm. This is the one ive been reading about. http://www.takakaira.com/asp/template.asp?id=849&cat=2&prodID=STtPqQqlnMokrNm Link to comment Share on other sites More sharing options...
TLicense Posted March 14, 2004 Share Posted March 14, 2004 Trig, There's a number of ways a rev-limiter can work. On stock cars it's usually achieved by cutting fuelling and ignition at a certain rpm. (Basically they don't want it to pop and bang, so they cut fuel at the same time as ignition) An aftermarket rev limiters, you can achieve the same rev limiting effect but keep the fuel going in. The un-burnt fuel goes straight into the hot exhaust and ignites. Pop and Bang. Hope that helps mate. Link to comment Share on other sites More sharing options...
Wez Posted March 14, 2004 Share Posted March 14, 2004 Hey Tony, Have you tried the 2-step on your AEM :flame Dev Not recommended on J-Spec ceramics though but fun. Link to comment Share on other sites More sharing options...
Digsy Posted March 14, 2004 Share Posted March 14, 2004 Pretty pointless IMHO, but if you really want the bang and flames then you may aswell go for the full decat because ypur catalysts will be fooked after the first few misfires. Cats dont like unburnt fuel. Link to comment Share on other sites More sharing options...
Wez Posted March 14, 2004 Share Posted March 14, 2004 I wouldn`t say the 2-step on the AEM is useless as it enables you to build boost while standing still. Link to comment Share on other sites More sharing options...
Digsy Posted March 14, 2004 Share Posted March 14, 2004 Don't even know what the 2-step on the AEMis, Wez. A "rev limiter" that works by cutting spark rather than fuelling is obviously just a show thing since cutting fuel would do the same job, only without the fuss. And as someone already said above the car has a limiter anyway, so why fit another one? Link to comment Share on other sites More sharing options...
TLicense Posted March 14, 2004 Share Posted March 14, 2004 Darren, When you fit the AEM, the rev limit is totally user configurable. You can have the rev limit rev limit work in two stages, which initially cuts ignition, and then at a later stage cuts fuel. The other cool function, is you can have 2 rev limits. The first your standard rev limit, the second operated by a switch, say the clutch pedal cruise control overide switch, which you can also configure to be at any rpm you like. It's aimed primarily for drag racing. It is cool, though because again, you can have it set to cut ignition, and then fuel at different stages. Unfortunately I still have my first cat in, so like you said, probably not the best idea for me at the moment! Cheers Link to comment Share on other sites More sharing options...
Digsy Posted March 14, 2004 Share Posted March 14, 2004 I see... Link to comment Share on other sites More sharing options...
Trig Posted March 14, 2004 Author Share Posted March 14, 2004 Originally posted by TLicense Trig, There's a number of ways a rev-limiter can work. On stock cars it's usually achieved by cutting fuelling and ignition at a certain rpm. (Basically they don't want it to pop and bang, so they cut fuel at the same time as ignition) An aftermarket rev limiters, you can achieve the same rev limiting effect but keep the fuel going in. The un-burnt fuel goes straight into the hot exhaust and ignites. Pop and Bang. Hope that helps mate. Helps mate cheers. This aftermarket one im looking at in the link above says that it keeps the fuel going in so it doesnt damage the engine, is this true? And is it adjustable so you can set what rpm you want it to cut off at? PS - Darren im gonna go without any cats if i go for this. Link to comment Share on other sites More sharing options...
Syed Shah Posted March 14, 2004 Share Posted March 14, 2004 If you want flames, put a spark plug in the exhaust, simplest way. Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted March 14, 2004 Share Posted March 14, 2004 spark plug has to be connected to coil, followed by switch and battery. This is the best way to get flames and bang you want without any damage. Someone may be able to post a link to a DIY webpage, easy enough to do Link to comment Share on other sites More sharing options...
Nick Posted March 14, 2004 Share Posted March 14, 2004 Originally posted by whitesupraboy2 spark plug has to be connected to coil, followed by switch and battery. This is the best way to get flames and bang you want without any damage. Someone may be able to post a link to a DIY webpage, easy enough to do Why not just buy a flamer kit and a Nova to fit it to... Link to comment Share on other sites More sharing options...
dude Posted March 14, 2004 Share Posted March 14, 2004 Im thinking of fitting a flamer kit cause im pissed off with numptys driving up my arse trying to show me how fast their car is !!!! Dude:flame Dev Link to comment Share on other sites More sharing options...
THOR Racing Posted March 14, 2004 Share Posted March 14, 2004 I've actually just made 10 flamer kits for a company. (and have enough bits for 30 more) Make of that what you will. It's money and that's all that counts at present. Regards Pete ps. finally got my PC to view this forum again after 1 month! Flipping Norton Antivirus being TOO over protective. Link to comment Share on other sites More sharing options...
dude Posted March 14, 2004 Share Posted March 14, 2004 Originally posted by TRL Performance I've actually just made 10 flamer kits for a company. (and have enough bits for 30 more) Make of that what you will. It's money and that's all that counts at present. Regards Pete ps. finally got my PC to view this forum again after 1 month! Flipping Norton Antivirus being TOO over protective. How much and how big ???? Dude:flame Dev Link to comment Share on other sites More sharing options...
Trig Posted March 14, 2004 Author Share Posted March 14, 2004 Sounds good. How much? Link to comment Share on other sites More sharing options...
Syed Shah Posted March 14, 2004 Share Posted March 14, 2004 Originally posted by dude Im thinking of fitting a flamer kit cause im pissed off with numptys driving up my arse trying to show me how fast their car is !!!! Dude:flame Dev Agreed, I hate people driving 2 feet off my bumper in 30s and 40mph zones. Would like a decent one of these to teach them a lesson! Link to comment Share on other sites More sharing options...
dude Posted March 14, 2004 Share Posted March 14, 2004 About 20ft should do !!!! Dude:flame Dev Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted March 14, 2004 Share Posted March 14, 2004 Ive seen a flamer kit on a sierria cosworth and too be honest it actually was bloody impressive, it wasnt a small quick flame that it chucked out it was a nice flame that held there, rather then a flash if you get what i mean. Blue ring with a nice long yellow tail about 1 and half foot i would said. Like i said it was impressive. Pic attached of the Cosworth Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted March 14, 2004 Share Posted March 14, 2004 pic 2 - just about see exhaust! Link to comment Share on other sites More sharing options...
THOR Racing Posted March 14, 2004 Share Posted March 14, 2004 I was selling these for £60 all in. (as I'm hand making them, always gets cheaper if I make a proper production run of them.) BUT they are just the spark plug up the rear job and not the Butane gas bottle ones. So flame is dependant on the amount of extra fuel you have in the exhaust, mainly on overrun. You get control box and 1m long wires, long spark plug lead, ignition coil, fixings, spark plug ummm cuddly toy??? You need to supply a switch (too many people have different tastes for switch styles.) There is free info on the web and I'll provide a circuit if you fancy making it yourselves. Or I'll sell a kit of bits for the control box for £15 (saves my time soldering the dam things!) You get your own extras. Regards Pete Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted March 14, 2004 Share Posted March 14, 2004 Is it true you only get enough overrun really on Turbo cars, Ive heard NA's dont work as well. Also does having Cat's in effect this?? Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted March 15, 2004 Share Posted March 15, 2004 This ones for Dude..... What you think Link to comment Share on other sites More sharing options...
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