LS6 Heads on LS3/L92 Block

Reply Subscribe

Thread Tools

Search this Thread

Jan 3, 2008 | 10:39 AM

BAD2000TA

Thread Starter

12 Second Club

iTrader: (6)

Joined: Apr 2004

Posts: 1,338

Likes: 1

From: Friendswood

LS6 Heads on LS3/L92 Block

Are there any issues with running LS6 (243 castings) on the LS3/L92 block? I know the bore is larger. Wondering if that's going to be an issue. Can't get the L92 heads yet, so I'm planning to use my current LS6 heads. Thanks.

Jan 3, 2008 | 11:47 AM

Abdullah

TECH Fanatic

iTrader: (2)

Joined: Jun 2002

Posts: 1,455

Likes: 3

From: Kuwait

they will fit with no issues but you will need to use the LS6 intake or the LSX 90mm Fast intake with the LS6 heads.

Jan 5, 2008 | 05:27 PM

Firehawk441

8 Second Club

iTrader: (41)

Joined: May 2005

Posts: 2,120

Likes: 12

With the smaller combustion chamber {243's} your compression ratio will be higher.

Jun 26, 2012 | 07:44 PM

lwdwn1

Teching In

Joined: Feb 2012

Posts: 23

Likes: 0

does anyone know how this combo would fair with an LS7 cam, what push rods and rockers would be good. Any advice would be helpful, Im new to LS motors, I have an 04 CTS-V and have a cylinder 2 misfire issue and was thinking instead of fixing maybe a good time to do a swap.

Jun 28, 2012 | 02:12 AM

4doortypels

TECH Regular

iTrader: (39)

Joined: Jan 2011

Posts: 422

Likes: 0

From: lilburn GA

KEEP IN MIND AN LS7 cam is rated on a 1.8 rocker ratio... so it will act like a smaller camshaft... you can do the math and see what it will calculate to

Reply Subscribe