what does detonation sound like?

[2bzy2p]

it sounds like this, pting, pting, pting ting ting ting ting, a boom.BOOM!

son of a bish you beat me to it i couldnt resist i was just about to post something very similar to that!LOL :biggrin:

[FireHead]

the best way i havee heard it described is pebbles in a coffee can, which is pretty accurate from my experience with my turbo car.

Detonation sounds like a BB or rock in a pop can.............good analogy. :thumbsup:

[shee rips]

so you would be able to hear it easily ove rthe noise of the exhaust?

[FireHead]

so you would be able to hear it easily ove rthe noise of the exhaust?

Sort of............it intermingles with the noise of the exhaust. Detonation is usually not louder than the exhaust noise. :geek:

[dlnoss]

I think it's easier to hear for someone about 20 feet away. I've heard it on Banshees running short track races and the riders didn't hear it. It could have been due to their adrenaline level also....

[Coupelx]

Sort of............it intermingles with the noise of the exhaust. Detonation is usually not louder than the exhaust noise. :geek:

if it is louder then its probably too late to do anything about it anyways :ohmy:

[NYUK]

I think it's easier to hear for someone about 20 feet away. I've heard it on Banshees running short track races and the riders didn't hear it. It could have been due to their adrenaline level also....

sooooooo true, hard to hear when on the bike, easy to hear it when ones riding by.

[knelson]

Sure, It's harder to hear with larger pipes such as shearer's or CPI's, than Toomies or FMF's. You will deffinately hear the rattle though.It sounds like shaking a can of spraypaint, I've used this little tool on everything from 2 stroke BigBore tripple Dry-pippied jetskii's (best 82.8mph@7160rpms) to worked-over 2 stoke 2.5 mercs(best 9300rpms@123mph), I usually use this in conjunction with a EGT gauge for 2 strokes or my Innovate wideband for fourstrokes. My current one is made out of a stethoscope, but the homemade muffs worked very well and keeps your ears warmer!

[FireHead]

Sure, It's harder to hear with larger pipes such as shearer's or CPI's, than Toomies or FMF's. You will deffinately hear the rattle though.It sounds like shaking a can of spraypaint, I've used this little tool on everything from 2 stroke BigBore tripple Dry-pippied jetskii's (best 82.8mph@7160rpms) to worked-over 2 stoke 2.5 mercs(best 9300rpms@123mph), I usually use this in conjunction with a EGT gauge for 2 strokes or my Innovate wideband for fourstrokes. My current one is made out of a stethoscope, but the homemade muffs worked very well and keeps your ears warmer!

 

Modular knock sensors on higher end dyno cells are always easy to use for such purposes as well. :geek:

[chevrolet banshee]

When i seased my dirt bike all it did wos tick realy loud then i killed it and it wonet start when it stared i hit the gas and it locked up tighter than hell.

[Jhughes7]

If your comp is at 150 I think your fine, I run 170 and +4 timing, I normally run a 50/50 race gas mix but have run straight 92 when I was broke. Didnt detonate at all.

[FireHead]

When i seased my dirt bike all it did wos tick realy loud then i killed it and it wonet start when it stared i hit the gas and it locked up tighter than hell.

I see that we have found spell check to be too hard to use again.............

[knelson]

Modular knock sensors on higher end dyno cells are always easy to use for such purposes as well. :geek:

Without a doubt easier to use,and more effective at determining even the slightest waveforms of knock. I've used them on water brake dynamometers, but for the price of the whole set-up you could build alllllot of banshee motors and still be ahead!