[Z06] Stock reliability, high speed runs

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Jul 21, 2015 | 08:17 PM

L_popo

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Racer

Joined: Sep 2014

Posts: 494

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From: Aubrey Texas

Stock reliability, high speed runs

Hey guys,
Was just wondering what the reliability of the LS6 and it's components are and how they hold up on high speed runs? And yes I know about the valve springs.

Jul 21, 2015 | 09:17 PM

ajrothm

Le Mans Master

Joined: May 2006

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From: League City Tx

The valve springs would be my only real concern. It couldn't hurt to throw some hardened push rods in it when you change the springs. Then let it eat! Should run 175 mph or so in the 1.5 mile, depending on conditions.

Jul 21, 2015 | 10:53 PM

youngrigo

Pro

Joined: Jan 2011

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From: Bay Area CA

I've gone 167 in a half mile in my ls6

Jul 21, 2015 | 11:24 PM

spdislife

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Joined: Nov 2005

Posts: 5,403

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From: Allentown PA & Elk Twp NJ HPDE Addict

I have over 50,000 miles on the odometer and about half of those miles are track miles. The LS6 is pretty rock solid. Only LT headers for a HP mod.

Jul 22, 2015 | 12:26 AM

ajrothm

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Joined: May 2006

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From: League City Tx

Quote:

Originally Posted by youngrigo

I've gone 167 in a half mile in my ls6

Not a stock LS6... Lol

Maybe with a blower or a 200 shot.

Jul 22, 2015 | 12:43 AM

youngrigo

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Joined: Jan 2011

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From: Bay Area CA

Quote:

Originally Posted by ajrothm

Not a stock LS6... Lol

Maybe with a blower or a 200 shot.

Stock ls6 shortblock and stock heads with a cam and a p1.

Jul 22, 2015 | 09:07 AM

danziger

Team Owner

Joined: Nov 2001

Posts: 34,124

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From: Pensacola FL

The LS6 is pretty tough, especially on the bottom end. Excessive RPM will do the most damage on a N/A motor (obviously) and the pistons/ringlands become the soft spot in boosted/nitrous applications.

Jul 24, 2015 | 04:07 PM

63Corvette

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Joined: Apr 2001

Posts: 9,556

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From: Granbury Texas

Quote:

Originally Posted by ajrothm

The valve springs would be my only real concern. It couldn't hurt to throw some hardened push rods in it when you change the springs. Then let it eat! Should run 175 mph or so in the 1.5 mile, depending on conditions.

Well......yours maybe.
At the Texas mile, my stock (except for Stoptech BBK) ran 9 consecutive runs within one mph of 163mph (fastest). All the other C5 Z06s who "claimed" to be stockish ran about that speed. All of the C6 Z06s who claimed to be stockish ran less than 10mph faster (170 to 172mph).