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Can detonation happen at like 1.5k rpms at 5mph? When I drive around really slow, I hear a REALLY quiet tapping noise coming from the engine bay. It's BARELY audible.
I've got one step colder plugs, and my timing's retarded to 8 degrees btdc. I'm also running a high flow fuel pump. Everything else is stock.
Thanks.
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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More than likely that sound you are hearing is your valves.
Pinging or Detonation sounds like somebody threw some marbles in your engine.
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95 Hybrid w/SC'd JDM B16
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Are my valves supposed to sound like that? =)
I don't think I ever paid as close attention to what my car is doing/sounds like before. Ever since I installed the SC... I'm PARANOID. Hahaha.
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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I would say it sounds more like sand hitting tin foil. Kinda of a fant sound crackling comming from the engine.
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Mike Marsey
'98 ITR #0717
Supercharged w/234+whp & 150+trq @ 5psi
For all your JRSC type R questions, go to:
http://www.geocities.com/superchargedtyper/
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Would my valves only make that noise under load?
I can't seem to recreate that sound while I'm not in gear.
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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I know someone said they're not worth crap, but my AF guage was always blacked completely out with I got that part throttle tip in.
I mean in open loop it bounces, but with the noise, it just buries with no lights at all.
Marbles is a pretty good description.
After the map controller, it never does it anymore.
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"There's nothing wrong with the car except that it's on fire."
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Hmm.. this sound is also when I'm not boosting... 'cuz I'm only at 1500-2500 rpms.
If my valves are making noise.. should I do a valve adjustment?
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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Can it be the tip in detonation if it's happening when I'm not boosting?
And can it be the valves if it only happens under load?
Thanks!
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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Cars can knock even without boost, usually under load, such as mild accleration in high gear (at slow speeds) or going up hill(in a higher gear also) Basically when the engine starts lugging from being in too low a gear, if it's going to knock without being in boost you'll hear it then. Hot weather makes it even more likely.
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"There's nothing wrong with the car except that it's on fire."
[This message has been edited by reddelsol (edited September 28, 2001).]
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I think I've found out what it is.
Apparently the AIT relay that clicks at ~1 pound of boost.
If you keep the boost at ~1 pound.. it'll tap like a telegraph.
I think that might be what I've been hearing.
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Black '00 GS-R
JRSC @ 6psi
Comptech Header / Comptech Exhaust
GC Coilovers/Tokico Illuminas
Comptech Front STB / Spoon Sports Rear STB
ITR Rear Swaybar w/ BSQ Mounting Kit
SSR GT1s / 205/45/16 Yokohama Paradas
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I too was paranoid as hell when I got the blower put on the B16. To be honest I didn't notice the valve ticking at all UNTIL I got the blower out on...talk about being paranoid.
You should be able to hear the valves when the car is sitting there idling. It wouldn't be a bad idea to have the valves adjusted.
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95 Hybrid w/SC'd JDM B16
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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Rboosted717:
I would say it sounds more like sand hitting tin foil. Kinda of a fant sound crackling comming from the engine.
<HR></BLOCKQUOTE>
That is a great description. If you haven't had your valves adjusted in the past 15K, or so, miles. . . then you probably should. It's even more important if you drive at higher rpm's a lot.
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6 psi JRSC GSR: GSS-317, 3" intake -> 217 hp/155 ft-lbs.
New: BTC, MAP controller, and stock timing!
Soon: Endyn stepper?
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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by CKim:
I think I've found out what it is.
Apparently the AIT relay that clicks at ~1 pound of boost.
If you keep the boost at ~1 pound.. it'll tap like a telegraph.
I think that might be what I've been hearing.
<HR></BLOCKQUOTE>
Yep, I used to have that problem when I first got my blower installed and it eventually went away. Don't know what that's all about, but there are a couple people on here that have had the same thing happen. THere was a post on it a while back.
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JRSC @ 6psi
Custom Cold Air Box
Field SFC-VTEC controller
Nuespeed shortshifter
Thermal R&D Stealth
Kamikaze headers
Skunk 2 Cam Gears
