Difference between gen3 and gen4 6.0
10-12-2017, 09:50 AM
#4
The original Gen. 3 LQ4 and LQ9 lived until 2007. The LY6 was the first Iron block Gen. 4 6.0 and it was introduced in 2007.
There were 9 different Gen. 4 6.0 engine codes, but 17 different variants were used between cars and trucks. They could be found Iron or Aluminum block. Rectangle or Cathedral Port. AFM, VVT, and Flex Fuel capability set them apart. Car and Truck manifolds and accessory drives. 2005-2006 was the transition years for 24X to 58X depending on the model. By 2007, all Gen. 4's were 58x.
All Gen. 4 blocks had provisions for AFM whether they were drilled or not. Gen. 4's are identified by the cam sensor on the front cover and the knock sensors are mounted on the sides rather than the valley.
If you want to get down to the nitty gritty, start your search here:
https://summitracing.custhelp.com/ap...kw/LS/search/1
Enter "LS" into the search bar and a whole bunch of stuff shows up. You can also enter your individual engine code to drill down quicker. It displays better on mobile than desktop, but that will be fixed soon.
There are introduction a basic upgrade articles on the 16 basic Gen. 3 and 4 families. You can then drill down into the 46 individual engine codes to see the different features. Things like cam specs, casting numbers, and part numbers can be found there.
There were 9 different Gen. 4 6.0 engine codes, but 17 different variants were used between cars and trucks. They could be found Iron or Aluminum block. Rectangle or Cathedral Port. AFM, VVT, and Flex Fuel capability set them apart. Car and Truck manifolds and accessory drives. 2005-2006 was the transition years for 24X to 58X depending on the model. By 2007, all Gen. 4's were 58x.
All Gen. 4 blocks had provisions for AFM whether they were drilled or not. Gen. 4's are identified by the cam sensor on the front cover and the knock sensors are mounted on the sides rather than the valley.
If you want to get down to the nitty gritty, start your search here:
https://summitracing.custhelp.com/ap...kw/LS/search/1
Enter "LS" into the search bar and a whole bunch of stuff shows up. You can also enter your individual engine code to drill down quicker. It displays better on mobile than desktop, but that will be fixed soon.
There are introduction a basic upgrade articles on the 16 basic Gen. 3 and 4 families. You can then drill down into the 46 individual engine codes to see the different features. Things like cam specs, casting numbers, and part numbers can be found there.
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Last edited by TrickFlowTech; 10-12-2017 at 10:29 AM.