Chevrolet Forum - Chevy Enthusiasts Forums

Silverado, Sierra & Fullsize Pick-ups The Silverado & Sierra have been two of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

4.8 to 5.3 Swap.?

Thread Tools
 
Search this Thread
 
Old February 19th, 2011 | 9:50 PM
  #1  
Doug Mercer's Avatar
Doug Mercer
Thread Starter
CF Beginner
 
Joined: Feb 2011
Posts: 22
Likes: 0
From: Courteney B.C. Canada
Default 4.8 to 5.3 Swap.?
I am thinking of swapping my 4.8 to the 5.3.. I have a 99 silverado 1500 rear wheel. What requirments do I need to swap? New ECM? etc..
Reply Like
Old February 20th, 2011 | 10:59 AM
  #2  
Doug Mercer's Avatar
Doug Mercer
Thread Starter
CF Beginner
 
Joined: Feb 2011
Posts: 22
Likes: 0
From: Courteney B.C. Canada
Default
I bought the truck with the blown 4.8.. and I can get the 5.3 from a friend for $500.
Reply Like
Old February 20th, 2011 | 11:05 AM
  #3  
Doug Mercer's Avatar
Doug Mercer
Thread Starter
CF Beginner
 
Joined: Feb 2011
Posts: 22
Likes: 0
From: Courteney B.C. Canada
Default
Is it called the PCM or ECM? anyways. How can I reprogram it instead of buying one and hoping the other truck had the same features.
Reply Like
Old February 21st, 2011 | 11:44 AM
  #4  
bowtie_billy's Avatar
bowtie_billy
CF Beginner
 
Joined: Feb 2011
Posts: 7
Likes: 0
Default
No. You need to get the wiring harness from a truck with the 5.3.
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
engine swap with tranny swap
cueman
Silverado, Sierra & Fullsize Pick-ups
2
February 6th, 2012 10:37 PM
Tags
Back to Subforum
Silverado, Sierra & Fullsize Pick-ups
View Next Unread
New Motor!!!!




Advanced Search
Quick Reply: 4.8 to 5.3 Swap.?


Reply Closed Thread Share

All times are GMT -5. The time now is 1:42 PM.