LY5 performance help
New to this site. I'm wondering if there are any easy to medium difficulty performance mods to wake up my LY5 5.3 in my 2008 GMC Sierra. Any info on cams would be helpful. the truck does have active fuel management so if i do cam work will i lose that capability. I currently run GMPP cai. Thanks in advance.
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Also please forgive me, but isn't it a LS2?
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Originally Posted by lowered907
(Post 4510289)
Also please forgive me, but isn't it a LS2?
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I currently run the LY5. You might want to start with a computer tune..
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Originally Posted by lowered907
(Post 4510288)
New to this site. I'm wondering if there are any easy to medium difficulty performance mods to wake up my LY5 5.3 in my 2008 GMC Sierra. Any info on cams would be helpful. the truck does have displacement on demand so if i do cam work will i lose that capability. I currently run GMPP cai. Thanks in advance.
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Wow the fast intake has an MSRP of $1047.48. Damn and a cam for $420. maybe i can live with a stock motor witha black bear tune.
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yeah going fast gets expenisve...
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doesn't GM make a mild cam for this truck
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Originally Posted by SweetS10V8
(Post 4510299)
The FAST LSXRT intake is worth 20rwhp over your intake, its a simple swap. An exhaust system (Headers/cat back) are worth another 20hp or so. Comp Cams has some AFM specific cams avaliable that will drop right in, or you can change the valley pan, lifters, and trays to delete AFM and that will allow you to run over .500 lift.
Low, Before you start anything, figure out what your goals are. IMO, you should start with a higher stall converter then a computer tune. Those two mods are going to "wake up" your truck nicely. If you want to swap the cam, delete the DoD. DoD cams are small and not worth the trouble of swapping the stock one out for, IMO. |
Originally Posted by lowered907
(Post 4510288)
New to this site. I'm wondering if there are any easy to medium difficulty performance mods to wake up my LY5 5.3 in my 2008 GMC Sierra. Any info on cams would be helpful. the truck does have active fuel management so if i do cam work will i lose that capability. I currently run GMPP cai. Thanks in advance.
Originally Posted by SweetS10V8
(Post 4510290)
No, LS2 is an aluminum 6.0L that only came in cars.
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