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Old 08-12-2009, 08:32 PM
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My GM truck needs more power!

Any GM gurus out there (Engine nut?) that can tell me how to add some horsepower easily to my 2000 Suburban 6.0 L? I tried a reprogrammer from Bully Dog, only made a slight difference so I returned it back to stock. I've got a K&N fresh air intake already.

Any good sucess with other reprogrammers? (hypertech, etc.) When I had an '01 Denali it had alot more guts than this suburban (Denali was rated @ 325 hp, suburban is 300 hp)

I don't want to get involved in engine work (cam, heads, etc.)

Any magic solution?
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Old 08-12-2009, 08:46 PM
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My experience has been that the programmers really only add significant power with diesels because with diesels they can tweak the turbo boost. With a gas engine, there is only so much that can be done electronically. I tend not to believe the HP gain claims that a lot of the aftermarket parts manufacturers make.

The easiest/best way IMHO to add serious power to a gas engine is with a supercharger, but this is not an easy "magic" solution, nor is it inexpensive.
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Old 08-12-2009, 09:36 PM
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I own a 2007 gmc 5.3. I installed Jba headers and magnaflow cat back dual, and AEM intake with a superchips programmer. The tuner will add horse power because it will let your rpms go higher and thats a good thing with intake and good exhuast, which in turn will give your that extra hp you want. Ill post some pictures of my engine. I noticed a nice gain in mid to high rpm towing the old boat around.
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Old 08-12-2009, 09:53 PM
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All of the things that are installed on my truck where installed by me in my driveway with simple tools. They where not that hard to do if you know a little about trucks or if you can read instrutions.
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  #5  
Old 08-12-2009, 10:21 PM
canadianskier canadianskier is offline
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Quote:
Originally Posted by Ubugme2 View Post
I own a 2007 gmc 5.3. I installed Jba headers and magnaflow cat back dual, and AEM intake with a superchips programmer. The tuner will add horse power because it will let your rpms go higher and thats a good thing with intake and good exhuast, which in turn will give your that extra hp you want. Ill post some pictures of my engine. I noticed a nice gain in mid to high rpm towing the old boat around.
thats is the same thing i done to a friends truck, makes some good power and the basics for more later. I also installed a bigger throttle body,then three months later came the new injectors paxton supercharger. 397hp at the rear wheel now
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Old 08-12-2009, 10:31 PM
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good HP gain would be the upgraded exhaust. and if you know someone in the muffler business have them knock out the cat.... (I didn't say that) and go bigger pipe from the cat back
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  #7  
Old 08-13-2009, 10:38 AM
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I have been doing some reading and the newer chevy's have "Torque Management" installed in the performance curve. Only two ways I know of to remove it... Predator programmer or HP tuners software. HP tuners is very much customizeable but from what I have read has a very steep learning curve. The predator seems to be the logical choice of all the options for the novice but you are getting a "Canned Tune" with limited adjustability...it is the only hanheld I know of that allows you to reduce torque management.
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Old 08-13-2009, 10:42 AM
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Quote:
Originally Posted by njskier View Post
Any GM gurus out there (Engine nut?) that can tell me how to add some horsepower easily to my 2000 Suburban 6.0 L? I tried a reprogrammer from Bully Dog, only made a slight difference so I returned it back to stock. I've got a K&N fresh air intake already.

Any good sucess with other reprogrammers? (hypertech, etc.) When I had an '01 Denali it had alot more guts than this suburban (Denali was rated @ 325 hp, suburban is 300 hp)

I don't want to get involved in engine work (cam, heads, etc.)

Any magic solution?
Make it breathe faster and better.
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  #9  
Old 08-13-2009, 10:50 AM
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Originally Posted by njskier View Post

Any magic solution?
Not magic but it's the solution

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  #10  
Old 08-13-2009, 10:57 AM
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Jimmauburn Jimmauburn is offline
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COZ that is a severe buzzkill for all of us who drive CHEVY !!!!! We can power up our Chevy's not to mention they ride better and don't have near as many squeaks on the interior.
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