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anyone know TOWING 4.8 vs. 5.3?

mopower440

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white1500 Senior Enthusiast

white1500

Posted
Posted

They built these motors to spin do let them, boat engines spend the majority of there life at rpms. I know it feels a little different, ....

If you think that these engines are going to last the normal 300k to 400k miles if you tow anything significant at 4000rpm I have a bridge to sell you.

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Chris Senior Enthusiast

Chris

Posted
Posted
They built these motors to spin do let them, boat engines spend the majority of there life at rpms. I know it feels a little different, ....

If you think that these engines are going to last the normal 300k to 400k miles if you tow anything significant at 4000rpm I have a bridge to sell you.

 

I did need to talk to you about that property in Arizona you sold me

 

Sent from my Samsung GS4 using Xparent Red Tapatalk 2

 

 

CapitalTruck Senior Enthusiast

CapitalTruck

Posted
Posted

our GMT900 Silverado with the LY2 4.8 (no VVT) and 3.24 gears tows a 16' 900 Pound Tri Hull boat on a 1700 GVWR trailer and it almost feels like there's nothing back there!

That's because at the weights you describe there almost is nothing back there.

  • 4 months later...
mike94silverado Senior Enthusiast

mike94silverado

Posted
Posted

I towed with both. my 2011 Silverado Lease with the 4.8 and 4 speed and my current 2010 Sierra 5.3 6 speed. It's not the engine but the transmission that makes the difference. my trailer weighs 6800 loaded the 2011 was rated for 7200 and it was a miserable experience. so much so that we didn't even bother camping out of the county for the last year. Lesson learned here.

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