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I am looking to do a v8 swap this summer, or further down the road. I would like to do some other stuff first to get my truck ready before hand thoe, and that is why I am looking for some help from those who have done it. I am thinking I will need to:
  • lower gear ratio in the rear diff.
  • new beefier drive line?
  • anything i should do to the transmission?
I currently have an 04 3.5 that is 2wd. thanks for the help!!!also if anybody knows where to get the stuff I'm going to need that would help as well.
 

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I am looking to do a v8 swap this summer, or further down the road. I would like to do some other stuff first to get my truck ready before hand thoe, and that is why I am looking for some help from those who have done it. I am thinking I will need to:
  • lower gear ratio in the rear diff.
  • new beefier drive line?
  • anything i should do to the transmission?
I currently have an 04 3.5 that is 2wd. thanks for the help!!!also if anybody knows where to get the stuff I'm going to need that would help as well.
It all depends on what your Torque and horsepower goals are. Is it a street or race?
That decision will determine if you need a beefier driveline.
Junkyards and swap meets are a great place to start for parts!
 

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Don't have any answers for the question but maybe a question the OP would like the answer to as well. I too will be doing a swap down the road and my question would what engine would best to swap in as far a reliability? Like if I wanted to get a motor and put it on a stand and build it up over time and then drop it what would be my best option? And as for goals it would be a daily driver so something that can be made as close to factory as possible coming from a 06 2.8L 5 Speed. Thanks and sorry if the OP doesn't want this info then I guess maybe PM me if you have any suggestions.


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The LS series of engines are quite possibly some of the best engines ever built and the choice is how much power you want and of course how much you want to spend.Compared to other engines horsepower and reliability are very very reasonable.
 

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a truck engine will give you the right front pulley setup for the swap
 

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+1 on the truck engine due to ease of swap having the right accy. setup
also i seen a regular cab z85 this weekend with lq4 swap and 150 shot put down 508 rwhp on stock rearend with TRUTRAC locker! think i may try this instead of building a shortened 8.6
cheaper to replace gears and diff than shorten an 8.6. unless the g80 axles will fit in the 8.6 diff. , and there are no coly\h3 8.6's available near me for less than firstborn child!!!!!
 

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'05 crew cab Canyon, swapping to 6.0 L96Vortex
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a truck engine will give you the right front pulley setup for the swap
Everyone seems to like the 5.3l, but in reality they are not so easy to find anymore. Looking at wrecked half ton pick ups, the 4.2l seems to be the most popular. I had to buy a one ton to get a 6.0l, and 6.2's are rare. Same size block and installation, but I get 360 HP in stock form. Stock is always the best for reliability and fuel mileage. And I got VVT, but not AFM-- active fuel management which uses only 4 cylinders when cruising and even 30 mpg in our medium sized pick ups.

Geoff
 

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'05 crew cab Canyon, swapping to 6.0 L96Vortex
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Everyone seems to like the 5.3l, but in reality they are not so easy to find anymore. Looking at wrecked half ton pick ups, the 4.2l seems to be the most popular. I had to buy a one ton to get a 6.0l, and 6.2's are rare. Same size block and installation, but I get 360 HP in stock form. Stock is always the best for reliability and fuel mileage. And I got VVT, but not AFM-- active fuel management which uses only 4 cylinders when cruising and even 30 mpg in our medium sized pick ups.

Geoff
Update
While the AFM is a great feature, there are years to avoid. People who had this feature with the early engines had excessive oil consumption, especially the '09 to '13 year engines. This problem was solved by some engine modifications after that, and some of these engines were retrofitted with the modifications, but buying a used engine you won't know.
 
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