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what can i bolt on to add major power to 5.3L besides cold air intake
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dunphy
New User
| Posts: 1
| Joined: 12/08
Posted: 12/14/08 07:43 PM
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I want to add alot of power to my 5.3 for pulling a trailer. I like turbos but hate the pricetag.
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phill
New User
| Posts: 25
| Joined: 05/07
Posted: 12/16/08 08:38 AM
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Without changing the cam, best thing you can do is swap to longer ratio rocker arms. This will act like isntalling a bigger cam. You want to go with 1.8 rockers, dual springs, and aftermarket pushrods.
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BOWTIES01
New User
| Posts: 3
| Joined: 12/08
Posted: 12/20/08 02:46 PM
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THERES QUITE A BIT TO DO. IVE DONE A FEW THINGS SUCH AS K&N AIR INTAKE ($300), GRANATELLI MASS AIR FLOW SENSOR ($400), HYPERTECH POWER PROGRAMMER ($300), FLOWMASTER EXHUAST ($300). EACH OFFERING THEIR OWN HORSEPOWER INCREASES AND PEARKS. IVE NEVER HAD IT MY TRUCK (2001 SILVERADO 5.3 2WD EXT CAB) ON A DYNO BUT ITS DOES HAVE SOME GET UP AND GO. IVE BEEN LOOKING INTO HEADERS FOR SURE AND MAYBE EVEN A THROTTLE BODY. ALL COME WITH A PRETTY LITTLE PRICE TAG JUST A FEW IDEAS.
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sicksix
New User
| Posts: 2
| Joined: 12/08
Posted: 12/21/08 07:13 AM
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The best thing to do is to add a cam and get a custom tune.You will gain anywhere from 80-100 extra horses.Check out ls1truck.com to check out the results.
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