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Silverado 5.3L is now rated at 380HP..

Old 09-24-2013, 03:22 PM
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Location: Albany, NY
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Silverado 5.3L is now rated at 380HP..

..on E85

380hp @ 5600
(E85 SAE certified)

416 lb-ft @ 4100
(E85 SAE certified)

2014 Silverado 1500 Regular Cab Specifications

it also uses 8.5 quarts of synthetic 0w20

Anyone know why the 4.3L wouldn't use the same oil as the 5.3L & 6.2L? (5w30 vs. 0w20) Same engine technology.

Last edited by Z28x; 09-24-2013 at 03:25 PM.
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Old 09-24-2013, 03:30 PM
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Re: Silverado 5.3L is now rated at 380HP..

I use 10w30 royal purple in anything other than break in then straight 30 rotella

my 2500 crew cab 8.1 has 309k miles on factory drive train 10w30 rp after the first 6k miles

177k on my 03 Tahoe 5.3

Last edited by Mr99SS; 09-24-2013 at 06:18 PM.
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