lq4 lq9 heads?
08-31-2010, 08:25 PM
#1
Launching!
Thread Starter
iTrader: (7)
Join Date: Oct 2008
Location: new hampshire
Posts: 218
Likes: 0
Received 0 Likes
on
0 Posts
lq4 lq9 heads? whats the differance? i know the lq4 is out of a gto and has dished pistons and has a 317 casting, the lq9 that comes in a truck and his flat top pistons and higher compression.. but what is the differance between the heads? anything??
![Ethan[ws6]'s Avatar](https://ls1tech.com/forums/customavatars/avatar139269_2.gif){kind=avatar}
08-31-2010, 08:32 PM
#4
Lq4 applications-
* Chevrolet Express/GMC Savana
* Chevrolet Silverado 2500 Pickup, 3500 Pickup, Crew Cab, and Chassis Cab/GMC Sierra 2500 HD Pickup and Crew Cab, C3, Denali, and 3500 Pickup and Chassis Cab, 1500HD Crew Cab
* Chevrolet Suburban/GMC Yukon XL Denali
* Hummer H2 SUT
* GMC Yukon Denali
Lq9 applications-
* 2002-2006 Cadillac Escalade
* 2002-2006 Cadillac Escalade EXT
* 2003-2006 Cadillac Escalade ESV
* 2003-2007 Chevrolet Silverado SS
* 2004-2005 Chevrolet Silverado and GMC Sierra Vortec HO Edition Only [Badging on truck](B4V)
* 2006-2007 Classic Chevrolet Silverado and GMC Sierra VortecMAX Option
* Chevrolet Express/GMC Savana
* Chevrolet Silverado 2500 Pickup, 3500 Pickup, Crew Cab, and Chassis Cab/GMC Sierra 2500 HD Pickup and Crew Cab, C3, Denali, and 3500 Pickup and Chassis Cab, 1500HD Crew Cab
* Chevrolet Suburban/GMC Yukon XL Denali
* Hummer H2 SUT
* GMC Yukon Denali
Lq9 applications-
* 2002-2006 Cadillac Escalade
* 2002-2006 Cadillac Escalade EXT
* 2003-2006 Cadillac Escalade ESV
* 2003-2007 Chevrolet Silverado SS
* 2004-2005 Chevrolet Silverado and GMC Sierra Vortec HO Edition Only [Badging on truck](B4V)
* 2006-2007 Classic Chevrolet Silverado and GMC Sierra VortecMAX Option
08-31-2010, 08:34 PM
#5
Launching!
Thread Starter
iTrader: (7)
Join Date: Oct 2008
Location: new hampshire
Posts: 218
Likes: 0
Received 0 Likes
on
0 Posts
pretty much im just trying the figure out the differance between gto heads and truck heads, i can get a set of gto 6.0 heads but i know a lot of boost guys run the truck 6.0 heads.. i was just wondering if there was a differance?? and if they arent lq4 or lq9 then what are they??? sorry the whole lq **** confuses me! lol
08-31-2010, 08:41 PM
#6
The heads on the 6.0 out of a GTO will be casting 243, same heads as the LS6 with different valves. The 317's flow similar to the 243's but they have a 72cc Combustion Chamber compared to the 64cc chamber on the 243's.
If you are going FI the 317's would be better because of the chamber size.
If you are going FI the 317's would be better because of the chamber size.
Trending Topics
08-31-2010, 09:26 PM
#9
Launching!
Thread Starter
iTrader: (7)
Join Date: Oct 2008
Location: new hampshire
Posts: 218
Likes: 0
Received 0 Likes
on
0 Posts
i just found this great thread that explains diiferent casting and all the specs! great for anyone that has the same questions as me! https://ls1tech.com/forums/generatio...s-details.html
