Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

What can I do to these heads???

Thread Tools
 
Search this Thread
 
Old Feb 3, 2005 | 03:58 PM
  #1  
RGV_Z28's Avatar
Thread Starter
12 Second Club
iTrader: (7)
 
Joined: Apr 2004
Posts: 719
Likes: 0
From: San Benito, TX
Default What can I do to these heads???

My friend is selling me these heads cheap. What can I do to them?? Will I get big numbers if I throw a cam in there too??
LQ4/LQ9 ALUMINIMUM HEADS
SPECS:
Casting Number 317
Head:LQ4 6.0 Litre
Material: Aluminimum
Part Number: 12572035
Combustion Chamber Volume: 71.06cc
Compression Ratio: 10:1
Intake Port Volume: 210cc
Exhaust Port Volume: 75cc
Intake Valve Diameter: 2.00 inches
Exhaust Valve Diameter: 1.55 inches
Reply
Old Feb 3, 2005 | 04:00 PM
  #2  
jrp's Avatar
jrp
SN95 Director
20 Year Member
iTrader: (16)
 
Joined: Jul 2003
Posts: 10,755
Likes: 7
From: Valencia, Ca
Default

you can do anything you want with them. stock they will lower your cr to ~9.8
Reply
Old Feb 3, 2005 | 04:22 PM
  #3  
44mag's Avatar
Launching!
iTrader: (1)
 
Joined: Apr 2004
Posts: 207
Likes: 0
From: roanoke,va
Default

how much can you safely mill them? what kind of compression is possible?
Reply
Old Feb 3, 2005 | 04:46 PM
  #4  
jrp's Avatar
jrp
SN95 Director
20 Year Member
iTrader: (16)
 
Joined: Jul 2003
Posts: 10,755
Likes: 7
From: Valencia, Ca
Default

.030 will bring you back to stock .070 will bring you to 11.1, asuming a stock shortblock and gasket. a 6.0 casting aint the best for high compression unless you goo the PP route.
Reply
Old Feb 3, 2005 | 06:46 PM
  #5  
RGV_Z28's Avatar
Thread Starter
12 Second Club
iTrader: (7)
 
Joined: Apr 2004
Posts: 719
Likes: 0
From: San Benito, TX
Default

any suggestions. this is not my daily driver, but i do want to enjoy the ride when i do take it out. not gonna spray or anything, i want the power to be all motor.
Reply
Old Feb 3, 2005 | 06:49 PM
  #6  
Cal's Avatar
Cal
TECH Veteran
iTrader: (1)
 
Joined: Feb 2003
Posts: 4,691
Likes: 3
From: Northern Utah
Default

Originally Posted by RGVWS6
any suggestions. this is not my daily driver, but i do want to enjoy the ride when i do take it out. not gonna spray or anything, i want the power to be all motor.
They would be good heads for a blower setup.
Reply
Old Feb 3, 2005 | 06:49 PM
  #7  
Cal's Avatar
Cal
TECH Veteran
iTrader: (1)
 
Joined: Feb 2003
Posts: 4,691
Likes: 3
From: Northern Utah
Default

Originally Posted by 44mag
how much can you safely mill them? what kind of compression is possible?
I love your screen name!
Reply
Old Feb 3, 2005 | 10:02 PM
  #8  
44mag's Avatar
Launching!
iTrader: (1)
 
Joined: Apr 2004
Posts: 207
Likes: 0
From: roanoke,va
Default

Originally Posted by Cal
I love your screen name!
thanks
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-1

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-2

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-3

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-4

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-5

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-6

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
story-7

Awesome K5 Blazer Restomod Comes With C7 Corvette Power

 Verdad Gallardo
story-8

10 Camaros You Should Never Buy

 
story-9

10 LS Engine Myths That Refuse to Die

 Verdad Gallardo
Old Feb 3, 2005 | 10:41 PM
  #9  
Richiec77's Avatar
TECH Fanatic
iTrader: (3)
 
Joined: Dec 2003
Posts: 1,799
Likes: 1
From: I play with Sand!!
Default

Oh dude that would be an awesome tree ornament. lol J/k I'm drunk and having funnnn.



Check this out. Look for my post.

https://ls1tech.com/forums/sponsor-sales-specials/270252-yank-yank-yank.html

Last edited by Richiec77; Feb 3, 2005 at 10:48 PM. Reason: stuff
Reply




All times are GMT -5. The time now is 07:55 PM.

story-0
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-1
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-2
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-3
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-4
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-5
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-6
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE
story-7
Awesome K5 Blazer Restomod Comes With C7 Corvette Power

Slideshow: A heavily reworked 1972 K5 Blazer swaps its off-road roots for a low-slung street-focused build with modern V8 power.

By Verdad Gallardo | 2026-03-09 18:08:45


VIEW MORE
story-8
10 Camaros You Should Never Buy

Slideshow: There are thousands of used Camaros on the market but we think you should avoid these 10

By | 2026-02-17 17:09:30


VIEW MORE
story-9
10 LS Engine Myths That Refuse to Die

Slideshows: Which one of these myths do you believe?

By Verdad Gallardo | 2026-01-28 18:10:11


VIEW MORE