LS6 Heads Chamber size?

Reply Subscribe

Thread Tools

Search this Thread

Dec 16, 2002 | 05:38 PM

I8COBRA

Thread Starter

TECH Resident

iTrader: (56)

Joined: Jan 2002

Posts: 975

Likes: 0

From: Bartlett, IL

LS6 Heads Chamber size?

What size are they stock?

What would 60.5 bump the CR to with a stock bottom end and GM head gaskets?

Need some info right away, thanks <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

[ December 16, 2002, 05:40 PM: Message edited by: I8COBRA ]

Dec 16, 2002 | 05:44 PM

Slowhawk

LS1Tech Sponsor

iTrader: (12)

Joined: Nov 2001

Posts: 14,865

Likes: 6

From: Bridgewater,Ma

Re: LS6 Heads Chamber size?

My 02's measured 64 cc with 01 valves.

Dec 16, 2002 | 05:45 PM

LS1derfull

TECH Addict

Joined: Dec 2001

Posts: 2,298

Likes: 2

From: new england

Re: LS6 Heads Chamber size?

I measured 64cc with 2001 LS1 valves. 60.5cc chamber should be 10.9 to 1 based on 67cc being 10.1 to 1

Dec 16, 2002 | 05:56 PM

I8COBRA

Thread Starter

TECH Resident

iTrader: (56)

Joined: Jan 2002

Posts: 975

Likes: 0

From: Bartlett, IL

Re: LS6 Heads Chamber size?

Cool, thanks guys.

I got these heads already ported but never run. The guy said they werent milled. Had them flowed this weekend and also had the chambers checked and they measured 60.5

I'm still gonna get them resurfaced minimally so I'll be at around 11.0, thats exactly where I wanted to be at <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Dec 16, 2002 | 06:03 PM

I8COBRA

Thread Starter

TECH Resident

iTrader: (56)

Joined: Jan 2002

Posts: 975

Likes: 0

From: Bartlett, IL

Re: LS6 Heads Chamber size?

Anyone think I might have a problem with piston/valve clearance?

Running a 222/222 cam, .560 lift

Thanks.

Dec 16, 2002 | 08:18 PM

Redline-Motorsports

FormerVendor

iTrader: (3)

Joined: Aug 2002

Posts: 622

Likes: 0

From: Albany, New York

Re: LS6 Heads Chamber size?

I would feed the motor more cam. Especially with the higher compression and the better breathing LS6 exhaust. Should be closer to a 224/228 .580 lift on a 113 LCA.

Dec 16, 2002 | 08:50 PM

I8COBRA

Thread Starter

TECH Resident

iTrader: (56)

Joined: Jan 2002

Posts: 975

Likes: 0

From: Bartlett, IL

Re: LS6 Heads Chamber size?

<blockquote>quote:<hr />Originally posted by 9D9LS:
I would feed the motor more cam. Especially with the higher compression and the better breathing LS6 exhaust. Should be closer to a 224/228 .580 lift on a 113 LCA.<hr /></blockquote>I dont want to go with that much lift, worried that I'll start slapping my pistons. Plus I want this car to be VERY streetable since I only make it to the track 3-4 times a year.