[Z06] 2004 Z06 Idle

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Apr 6, 2006 | 05:23 PM

geeman85

Thread Starter

Racer

Joined: Oct 2004

Posts: 376

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From: Huffman TX

2004 Z06 Idle

Does any body have a miss at idle. A couple of friends with late model chevy trucks say they have it too. Is this normal ?

Apr 6, 2006 | 06:45 PM

skip89

Melting Slicks

Joined: Mar 2001

Posts: 2,233

Likes: 5

I have a 04Z and no miss at idle. You may not either cause it should idle like a ZO6 not a pickup. Different cam and on and on...Take it to a trusted tech an find out, is it throwing any codes on the DIC??

Apr 6, 2006 | 09:30 PM

spdislife

Le Mans Master

Joined: Nov 2005

Posts: 5,403

Likes: 31

From: Allentown PA & Elk Twp NJ HPDE Addict

Quote:

Originally Posted by skip89

I have a 04Z and no miss at idle.

Same car, same result here.

Apr 7, 2006 | 08:48 AM

MVR 155

Safety Car

Joined: Mar 2000

Posts: 4,847

Likes: 10

From: Bartlett, IL

Cruise-In XI Veteran

St. Jude Donor '06-'07-'08-'09-'10-'11-'12

Its not a miss but the stock cam profile in the Z06 is pretty aggresive for a factory car therefore its not uncommon to get a little bit of a shake at idle.

Apr 7, 2006 | 09:20 AM

Solofast

Melting Slicks

Joined: Aug 2004

Posts: 3,003

Likes: 89

From: Indy IN

Yea, mine "lopes" a little bit a idle too.... Just gives a bit more personality....

Apr 7, 2006 | 11:02 AM

l2vette

Melting Slicks

Joined: Nov 1999

Posts: 2,372

Likes: 227

From: N Cal

No miss here, just a little cam lope. That's why I bought the Z06!

Apr 7, 2006 | 11:38 AM

ZO6vettepilot

Pro

Joined: Mar 2002

Posts: 632

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From: Enterprise AL

Quote:

Originally Posted by l2vette

No miss here, just a little cam lope. That's why I bought the Z06!

Chevy power train engineers call it "incomplete cylinder filling" . I think that's engineer speak for aggressive cam. Feels like it shuffles back and forth sideways intermittantly when idling. I think the odd firing order is why it manifests itself as a shuffle vs the rocking that used to be experienced from high lift cams of pre-Gen III engines.

Last edited by ZO6vettepilot; Apr 7, 2006 at 11:41 AM.

Apr 10, 2006 | 02:19 AM

'04 Z06 Rocket

Racer

Joined: Jan 2006

Posts: 373

Likes: 0

Quote:

Originally Posted by l2vette

No miss here, just a little cam lope. That's why I bought the Z06!

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Apr 10, 2006 | 10:45 PM

Scott04Z

Burning Brakes

Joined: Jun 2004

Posts: 1,083

Likes: 0

From: I'm not quite middle aged and I only own one gold chain! San Jose CA

What you are describing sounds like normal conditions for a Z06. I actually like the lope and wish I had more! It is definitely more pronounced at startup when the engine is cold, but simmers down once the temps come up. A miss would be much more pronounced then what you are describing and would generally be evident at other rpms as well.

Enjoy it...you are driving a high performance car and it is supposed to make some noises...it's all part of the Z06 shake, rattle and roll!