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View Full Version : Is this my motor pinging? Acceleration rattle...

lunatyk
09-24-2008, 05:17 PM
First off, my timing chain and tensioners have been replaced so I doubt it has anything to do with that.

I have a kade; my motor seems to ping or rattle under acceleration. It only rattles when my car is warmed up completely. Whenever I accelerate between around... 1500 - 3500 rpm (give or take some rpm). Also when I downshift around that rpm. If I keep it at a constant rpm it doesn't rattle nor in neutral.

Is this a problem with my motoring pinging or could it be another problem? I've been pumping 87 :(...so I guess it could be? (I tried octance booster but that hasn't done anything...) Thanks! :)

p.s. going back to 91 after I use up this tank of gas
Gary.Suk
09-24-2008, 11:56 PM
Possible detonation? Does it sound like popcorn-popping lightly? lol
lunatyk
09-25-2008, 08:04 AM
Nah doesn't sound like popcorn haha. Sounds like a buzzing noise sort of..
DRIFT-ELITE
09-25-2008, 08:45 AM
you should pm spiderlone, he's a good friend of mine plus he's been threw like 6 kade's...he's ripped aprt the block and replaced all the pistoned rings he's fried..haha...nah but for reals he knows his shit when it comes to them..
e30cabrio
09-25-2008, 11:34 AM
don't forget it could also simply be an exhaust leak that doesn't uncover itself unless under heavier load.
lunatyk
09-25-2008, 12:01 PM
I don't think it's an exhaust leak it sounds nothing like one.
90 DGRZ
09-25-2008, 02:57 PM
just as gary said, seems like detonation. only a matter of time. maybe ur oil return isn't working properly, causing valve tap?
spiderlone
09-25-2008, 10:10 PM
thx - drift-elite. but any who
yeah.. DETONATION,,sound to me like oil pump is going out
not enough oil in the cams..
WoolyS14DET
10-08-2008, 09:59 AM
Are you sure that you timing is set right and not to far advanced ?? If it's advanced to much it will ping/detonate
CityHunt3R
10-18-2008, 02:05 AM
maybe Chain Guides?... heard u can remove the uppers ones.. since there arent neeed.. read it on

http://www.nicoclub.com/articles.php?id=105618
lunatyk
10-18-2008, 08:43 AM
My timing is set right and it's not my chain guides because they're already removed. It turns out it is my oil pump, i have low oil pressure. Thanks to everyone who replied. You can lock this thread now.