Removing the rev limiter?

lanosguy · Post by **lanosguy** » Wed Aug 11, 2004 7:01 pm

does anyone know how to do this or know of any guides that i can download?

Wolf-Spirit · Post by **Wolf-Spirit** » Wed Aug 11, 2004 7:55 pm

limiter is set in the computer ECU... so onyl way is to get it moddified (chiptuning but no stock chips/boxes full chiptuning starting from empty chip)

lanosguy · Post by **lanosguy** » Wed Aug 11, 2004 8:32 pm

ok, cheers

Stefan · Post by **Stefan** » Wed Aug 11, 2004 9:50 pm

Be careful, the stock rod bolts won't take much past 7k and I think the rods are limited to 7.5k, this is if you have the 16v 1.4. If its an 8v the stock rods are limited to 7k. 7.5k if prepped, ie shotpeening etc.

Stef

lanosguy · Post by **lanosguy** » Wed Aug 11, 2004 9:52 pm

WOW, someone else with the 1.4, lol...mostly 1.5 and up on this site, lol...thanks

Wolf-Spirit · Post by **Wolf-Spirit** » Thu Aug 12, 2004 8:47 am

stefan how much can a 1.6 16v take? also 7-7.5k? or is that what you ment? you confused me

but the rods are limited to it? darn was hoping the valve springs where as they are easy to replace

KnightWalace · Post by **KnightWalace** » Thu Aug 12, 2004 12:39 pm

I wouldn't really like to remove it. Just raise it 1000-1500 rpm's

daewooluvr · Post by **daewooluvr** » Thu Aug 12, 2004 12:49 pm

Wolf-Spirit wrote:stefan how much can a 1.6 16v take? also 7-7.5k? or is that what you ment? you confused me

but the rods are limited to it? darn was hoping the valve springs where as they are easy to replace

you would still need to change the springs to prevent valve float at the higher rpms

mckeller22 · Post by **mckeller22** » Fri Oct 29, 2004 4:40 am

What about a 2000 nubira?

sayhellotomylittlewoo · Wed Nov 17, 2004 9:40 am

ok so i have a question the ecu has to be getting an input from the engine somewhere has anyone tried to find the source and do away with it and see what it would do whether it would screw the ecu up to the point of not running.
just wondering

Post by **PrecisionBoost** » Thu Nov 18, 2004 3:32 am

The cam and crankshaft sensors that give the ECU the RPM levels

The ECU needs these timing signals to fire the ignition and injectors.

Mess with them and your engine won't function.

Unfortunatly Wolf-Spirit is correct..... you can only do it by modifying the ECU programing.

And Stefan's warning about the connecting rod bolts should be taken seriously..... this is a major week point of these engines.

lanosguy · Post by **lanosguy** » Thu Nov 18, 2004 5:48 pm

I live and learn all the time, lol

richardmatalon · Post by **richardmatalon** » Thu Nov 18, 2004 8:24 pm

acctually, you can buy piggy back units that will remove the rev limiter. There are some on the market. If the engine limits the revs by cutting fuel, you get a fuel cut defense. YOu can also get an ignition cut defense to not allow the ecu to limit the rpm band. If you ask me, it really doesn't make sense to move the rev limit if you haven't done anything to strengthen the engine. YOu really won't make that much power at high revs and you wiull run the risk of valve float and also the crakshaft might not be balanced at that high of a rpm, causing serious problems

lanosguy · Post by **lanosguy** » Fri Nov 19, 2004 5:30 pm

yeah, I suppose I was just curious (again) more than anything, lol...but is it actually possible to damage the engine if you reach the rev limit (6.5k revs or there-abouts)?

-=Exiled=- Chris · Post by **-=Exiled=- Chris** » Tue Dec 21, 2004 7:26 pm

actually ive been reading up on the Greddy E-manage unit im looking to buy for my turbo setup, it says it can set the fuel cut lower in the car, i wonder if this would alter the limiter also