someone explain what detonate is?

scootin95gts · Apr 28, 2007

well i hear all this talk about detonation and pinging and was wondering how would someone tell? I dont believe ive ever experienced this but if i do i want to spot it asap! also on my spark plugs i noticed they are black on the ends and i just replaced my pcv valve which was probably stock from prev owner...car has 55,000miles now

ripper · Apr 28, 2007

This is how it was excplained to me: If your timing is off. or your cylinders are getting too hot the chamber fires before your piston comes to top. This is why blower cars need more fuel to cool the cylinders. My car was pinging and because of the exhaust and blower i couldnt even hear it. It does it close to or at wide open throttle. On a stock mufflered car it is easy to hear it. But with aftermarket exhaust and blowers it takes a trained ear to hear it. Guys usual hear it when its too late LOL. Then you hear it well :-\ It will wreak havok on your rods and crank. Sometimes it will even blow a hole thru the top of your piston. Out of all things i think it is the deadliest thing that could happen to your motor.

Im sure ryclef will chime in and detail this but thats the general idea of ping.

scootin95gts · Apr 28, 2007

well crap i got shorties,o/r h and flows gonna be hard to hear when ive never hear it b4

19mustang95 · Apr 28, 2007

im pretty sure you will notice detonation if you only have an exhaust...its a wee bit loud. :noes:

ripper · Apr 28, 2007

Nah actually its not that loud. It sounds like a cross between a rattle and a tap. Its hard to describe. Ive heard it so now i know what to listen for.

Nacho · Apr 28, 2007

RYCLEF is da' MAN!

http://www.sn95forums.com/forum/index.php?topic=6520.0

ryclef331 · Apr 28, 2007

Nacho said:
RYCLEF is da' MAN!

http://www.sn95forums.com/forum/index.php?topic=6520.0

Haha....I read the topic and was about to start searching....you beat me to it.

READ THE LINK ABOVE!!! I TELL YOU EVERYTHING YOU EVER WANTED TO KNOW ABOUT DETONATION, PRE-IGNITION, PINGING, KNOCKING, ETC!

scootin95gts · Apr 29, 2007

well what sucks about my area is i have nobody with a dyno or anyway to give me a tune! so would a autometer air/fuel ratio gauge be a good one to have and what other one might be a good one also,cuz i want to get the pod where my clock is

Nacho · Apr 29, 2007

It's always good to have control of you a/f ratio. But with a mainly stock car, you could spend those $300+ on something else.

ryclef331 · Apr 30, 2007

scootin95gts said:
well what sucks about my area is i have nobody with a dyno or anyway to give me a tune! so would a autometer air/fuel ratio gauge be a good one to have and what other one might be a good one also,cuz i want to get the pod where my clock is

The autometer narrowband o2 sensor is garbage....its a lightshow that will annoy the shit out of you in no time. You want to know NO questions asked all the time what your A/F ratio is...i.e. how SAFE you engine is....you need a wideband PERIOD.