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6.0 Swap dreams, ground me some

  #1  
Old 11-02-2018, 04:07 PM
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Default 6.0 Swap dreams, ground me some

Alright, so I'm just dreaming, you guys know that feeling, so I need some of you guys to either ground me some and tell me what to really expect or tell me go for it.

I have a 2000 Blazer 4x4 that I'm gonna lift up and put either 33's or 35's on, so it's definitely not gonna be a sleeper type vehicle. It's gonna be an pavement princess 75% of the time and an off road beast 25% of the time. I would like to swap the wimpy 4.3 for a 6.0, if I can keep air atleast, to show off firstly, for the gains secondly, and for the sound lastly. I plan on putting back around $8k for the swap and bulking up the suspension and tranny.

is this realistic? I mean, I know $8k will get the swap done pretty easily with some leftover possibly. Will it work good with a lifted truck? What do you guys think?

Thanks!
 
  #2  
Old 11-06-2018, 11:08 PM
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If you are just looking for a little bit more power and the sound factor then i would look into a 5.3 or 4.8 to swap rather than a 6.0.
around me a running 6.0 goes for $1000-$1400 for the engine alone while you can pick up a 4.8 or 5.3 for $400-$600. Next you will have to see what accessories you want to run. Im running corvette accessories on mine for more clearance but these ran me about $1000 for the full setup including new alternator, PS pump, water pump and balancer.
the most expensive part after the engine is a harness and tuning for the engine. A harness can set you back $800 or more If you buy a custom built harness that can just plug into your truck and the engine will run like 4.3 with all gauges working like factory. Tuning will run you around $300-$400 for a good street tune or dyno tune to make it run right.
To put a LS into a 4x4 you will need a special oil pan because the traditional holley or hummer H3 pan will not fit, but a couple companies make a pan for this with an oil filter relocation.

Next you will have to look into a transmission. A good built 4L60E can withstand a 4.8 or 5.3 but a 6.0 may kill it unless you spend big bucks to have it fully built but these run $2000+ for just the trans and another $500-$1000 for a good lockup torque converter. For the 6.0 you should step up to a 4L80E which is what came behind most of the 6.0s from the factory with a few exceptions.

One of the weakest links with you wanting to run 33s or 35s and a V8 will be the differentials especially if you have a 7.5in rear diff.

There are a ton of other smaller items that add up like driveshaft modification, electric fans, engine mounts, power steering lines, battery cables, heater hoses, fluids, plug wires, fuel lines, transmission cooler, trans mission cooler hoses Transmission cross member, etc
 
  #3  
Old 11-07-2018, 11:13 PM
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I agree, got with the 5.3 but skip the 4.8. If you are going to through all the trouble, go with the 5.3. It will have more than enough power for a Blazer plus it is more reliable than the 6.0.
 
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Old 11-08-2018, 12:16 AM
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Originally Posted by AJBert View Post
I agree, got with the 5.3 but skip the 4.8. If you are going to through all the trouble, go with the 5.3. It will have more than enough power for a Blazer plus it is more reliable than the 6.0.
What about the 5.7? It's track record is proven, either TBI or the Vortec.
 
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Old 11-08-2018, 10:20 PM
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The 5.7 is a great engine and a much easier swap, but, and that is a BIG BUT, the 5.3 has more power, better mileage and less emissions.
 
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Old 12-23-2018, 07:23 AM
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Here's what I'm basing my build on, my 2003 S10 crew cab is a going to be my daily driver so it has to be dependable and I plan on occasionally hauling a 24' tri-toon to the lake with it. I have an L33 5.3 alum.blk. 310 hp (about 375 hp gross). No increase in the frontend weight but plenty of torque to pull the boat. You need to consider this, if you build a mega hp engine and intend to drive it hard you're going to have to upgrade your drivetrain...transmission and rear end. Like some of the others said you can get loads of hp out of a 5.3 which you can get cheap. Add a set of 799 heads for about a third the price of a 6.0 leaving money for the other upgrades or swap cost.
 
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Old 01-01-2019, 04:31 PM
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I wouldn't waste your time with the 5.7 vortec swap I have it in my 2wd blazer and although it's def more fun, If you are looking at it from a performance stand point the 5.3 or 4.8 will blow it out the water, 4.8 would be fine IMO stock it will make more power than the 5.7 vortec and after market support is greater, I think it would be cool to go to a 4.8 bc when asked what motor it is and people try to correct you and say 4.3 you get to recorrect lol and show off.

Just keep your eye out for a 4.8 , 5.3, or 6.0 complete pullout make a budget and get after it.
Been looking the 6.0 does typically cost more but you can get them with 4L80e's as well

NO MATTER WHAT you will need a tune/ install the the motors which is going to run into the same stuff no matter what motor you run

also look at what parts cost that you may want to do.
 
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