Occasional POPPING noise from exhaust - bone stock Z06
I'm wondering if this is normal, about once every 20 miles or so, if I go close to WOT in 2nd gear and back off the throttle significantly in 3rd, the car will make a POP noise through the exhaust. Only does it once and under these specific circumstances. Is this normal with the Z06? Should I be worried or get it checked out?
Car runs great otherwise and the occasional POP seems like it could be normal for such a performance car but I'm not sure. Thanks for your help! :seeya |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Normal :yesnod: :cheers:
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (The DBK)
is that the same thing that happens when the race cars like the c5r have flames coming out of the exhaust when they let off the gas, on a much smaller scale i mean of course
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
I LOVE the sound high compression engines make when you get off the throttle, my Harley does too :)
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (CPT Z06)
It's a no extra cost bonus!
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (GRB)
Perfect! I think it sounds awsome as well because it reminds me of race cars when they lift throttle. I just wanted to make sure it was normal and nothing was wrong (silly me, didn't want to hurt the car...).
None of my straight 6s have ever done that even though the 2JZ-GE engine in the IS300s uses 10.5/1 compression ratio; but I'm sure Lexus just did something to prevent it because of the 'lux/performance' compromise of the car. Might also have to do with the overhead cam multivalve VS pushrod design, just guessing at this point. It absolutely sounds vicious when it makes that noise! In a Darth Vader getting pissed kind of way. :reddevil :cool: Thanks for the reassuring feedback! :cheers: :seeya |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
I love that sound. :yesnod: |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
I love it!!! :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool: :cool:
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Yes, love love love :seeya
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
got the same POP last night!!! stock Z06
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
I hate that sound. I think it makes the car sound like crap, especially when it cold. :crazy:
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
It is very normal.
I just added a Corsa Pace exhaust system on my Z and now that popping sound is very pronounced. Some don't like it, however I love the sound, it adds to the idea of what the Z06 is about... a race car that is street legal. Oh, and the occasional popping sound is not so occasional with the Corsa's on :yesnod: |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Pretty cool, eh :cool:
I like it :cheers: |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
None of my straight 6s have ever done that even though the 2JZ-GE engine in the IS300s uses 10.5/1 compression ratio; but I'm sure Lexus just did something to prevent it because of the 'lux/performance' compromise of the car. Might also have to do with the overhead cam multivalve VS pushrod design, just guessing at this point. Many turbocharged cars running high boost and rich fuel mixtures will also do this popping, sometimes with a loud bang and/or large flame out the tailpipe. I've seen and heard Supra Turbos and Audi S4s do it - its all normal, just unburnt fuel getting burned off. The same with the race cars such as the C5R. Its funny though, when I first got my Z06 I posted a message/question almost exactly the same as yours! At first the popping made me nervous like there was something wrong. Now that I know what it is and that its normal, I like the popping sound! :cool: |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (stingray454)
Thanks for the great explanation stingray! Makes sense... I suspected that it was normal as well because I had heard it with some race cars but still wanted to make sure everything was cool. :yesnod: :yesnod:
Now that I know nothing is wrong, it definitely sounds cool in a "do YOU have 400+ horsepower under the hood with a titanium exhaust system?" kind of way. Gotta love it! Now if I could only get it to shoot four flames out the back on demand... :reddevil :reddevil :cool: [Modified by Bertrand, 5:33 PM 6/17/2002] |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (stingray454)
My L88 does the same thing, only more so, when I lift while in gear. Depends on the location and my mood at the time - sometimes I love it, other times I wish it could be more discreet. The Z does it in good measure, just enough to anounce you have something special without being obnoxious.
Chuck |
Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Love the sound soooooooooo much that my wife intentionally makes it do it!!!!!
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Is there an exhaust gate modification made for the Z06 to handle this?
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Re: Occasional POPPING noise from exhaust - bone stock Z06 (Bertrand)
Yep - mine does that - quite often really
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