I installed my sohc zc, and today i was driving from a stop and i accidently over revved my car, when i looked at the tach it read just about 6700. The redline on my car is 6500 and the ecu is suppose to cut off the fuel before i hit redline. Any reason for this? or just a tach thats a lil off?

 

The tach might be off a bit. Also which ecu are you using?

 

stock one, obd0, other than that im not too sure what it is. I just know i haven't touched it. I would like to say pm6 but i really am not certain

 

Okay, you have the stock ECU? Is your civic an Si?

If you have the Si civic, then your car should have the PM6 ECU installed.

2 Important things you should know about revving w/PM6:

1: The redline is at 6500 RPM - all this means is if you rev above this amount of rpms, then your putting risk on your valvetrain - only on the A6 motor.
2: The revlimit is at 7100 (i think, pretty sure) - this is where the PM6 cuts off the fuel, you can't rev higher than this with the PM6 ECU because the A6's valvetrain can't really handle anything above that.

But you said that you have the SOHC ZC right? That is very similar to the A6 motor, but I think it just has a higher compression ratio, and a better cam. I don't know about the valvtrain, I'd guess it's a tiny bit better.

Don't worry about revving it past 6500 - I revved to 6800 all the time with my old tired A6 motor, and some times to 7k. It always worked just fine. Just keep it below 7k rpm's and you wont be hurting the motor.

 

yay! makes me feel better thanks. My a6 i blew doing things like that, im just trying to keeep my motor and car in one piece until i can get all the parts to make it fast and then i can break it.

and yeah its the equivilent to an Si.


[Modified by altoid, 9:48 PM 10/7/2002]

 

i used to rev my stock Si motor to the 7200 RPM rev limit all the time, with no problems..

 

me 2... never a problem

if the tach has a red zone, doesn't mean it's really dangerous.. kinda like saying your car will go 120 because the speedo says so