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2013 Chevrolet Suburban
Platform: GMT 400, 800, 900

changing the engine block 5.3 to 6.0

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Old November 1st, 2007, 6:42 PM
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Default changing the engine block 5.3 to 6.0

My dad's got his old denali engine block (06 denali, he dropped in a ls7)....he was talking to me about dropping in his old denali engine block in my tahoe.

Will this void my warranty?

We have a guy where we live who does all the work for us, and i think he uses Hp tuners (dont know if this all makes sense, not to familar with this kind of stuff) and hes going to do all the tuning i guess when we do this.....if its even possible.

What kind of Horsepower jumps will i see with going to this block?
Old November 1st, 2007, 6:54 PM
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Default RE: changing the engine block 5.3 to 6.0

You're joking?
Old November 1st, 2007, 7:03 PM
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Default RE: changing the engine block 5.3 to 6.0

Im honestly not, I have no clue about any of this. Stupid??.....i also neglected to add information, that he has a magnacharger that he might give up to get a new one for his ls7....but if hes not, i was curious about just the engine block....it was just his idea...and i was doing some research to fill him in.
Old November 1st, 2007, 7:48 PM
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Default RE: changing the engine block 5.3 to 6.0

For the extra 15hp and 35lb/ft of torque that you will gain it probably is not worth the trouble and you will give up the AFM.

The Denali has a slightly beefier M32 (4L65E) transmission then your Tahoe's M30 (4L60E).

I'm assuming that you mean engine when you say "block"? The 6.0L will drop right in but the computer programming will be tough to get right and all this will for sure void your entire Powertrain Warranty.
Old November 1st, 2007, 7:59 PM
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Default RE: changing the engine block 5.3 to 6.0

Alright, thanks for the info. So will his old supercharger mount onto my engine? Or will I need his old engine in order to run that particular supercharger? I know he has swapped it from his original denali motor to the LS7, but he wants to send it back or buy a new one (I guess a larger one or something), but will it be able to swap to mine?
Old November 1st, 2007, 10:59 PM
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Default RE: changing the engine block 5.3 to 6.0

Have you tried checking the Magnacharger website for compatibility?
Old November 2nd, 2007, 6:41 AM
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Default RE: changing the engine block 5.3 to 6.0

Ive looked on there, and they have no information on the 07's, unless im not looking in the right places.
Old November 2nd, 2007, 10:38 AM
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Default RE: changing the engine block 5.3 to 6.0

I'm not aware of a supercharger that will work with the 07 GMT900 products.
Old November 2nd, 2007, 1:45 PM
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Default RE: changing the engine block 5.3 to 6.0

And adding a supercharger will void your powertrain warranty as well.....
Old November 2nd, 2007, 2:17 PM
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Default RE: changing the engine block 5.3 to 6.0

I want to hear more about the Denali with the LS7


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