INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

4.8 pistons on 5.3 rods

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Old Jun 9, 2009 | 12:35 PM
  #21  
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jimmy, i want a set of the 5.3 pistons when your done. i want to see if i can get rid of the piston slap i have. how much were thos stock 5.7 pistons you got?
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Old Jun 13, 2009 | 08:24 PM
  #22  
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Originally Posted by mcfarlnd
it has been stated that they are not in different locations. i am searching right now to see if the pistons are indeed the same part number between the l33 and 4.8. i did find this but, it ends in a pissing match and nothing gets resolved. it starts on post 10.
https://www.performancetrucks.net/fo...d.php?t=421686
I bet you missed this thread.... I will save you 4 pages of BS and get you straight to the good stuff!!!

https://www.performancetrucks.net/fo...7&postcount=25
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Old Jun 16, 2009 | 06:19 PM
  #23  
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Can the 5.3 crank be used with the 4.8 rods and pistons?
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Old Jun 16, 2009 | 06:48 PM
  #24  
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no the stroke is way different and the pistons would stick way out of the hole.
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Old Jun 16, 2009 | 08:38 PM
  #25  
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Originally Posted by blazerboy72
Can the 5.3 crank be used with the 4.8 rods and pistons?
Pistons, yes, rods no.
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Old Jun 16, 2009 | 09:07 PM
  #26  
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yeah, guess i should have been more clear there.
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Old Jun 16, 2009 | 09:30 PM
  #27  
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so i'm assuming the 5.3 pistons are dished?
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Old Jun 19, 2009 | 05:49 PM
  #28  
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you can use the 4.8 pistons on the 5.3 rods and thats the only way thats going to work...
i did one about a month ago the truck made awesome compression and with the cam that he used it ran really good for a 5.3...
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Old Jun 23, 2009 | 08:55 PM
  #29  
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so you can cam stroke your 4.8 to a 5.3 with just the crank and rods. Also using 4.8L pistons will have more compression than the 5.3 pistons? If this is correct, what will the compression ratio be, assuming reusing the stock heads and gaskets?
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Old Aug 25, 2009 | 10:13 PM
  #30  
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arnt the l33 rods floating as apposed to the pressed 5.3 dish? just curious how this plays out
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