I'm getting it! i think! Come in! Quick!
May 28, 2011 | 12:38 PM
#1
Thread Starter
TECH Enthusiast
Joined: Mar 2011
Posts: 611
Likes: 4
From: Texas
I'm getting it! i think! Come in! Quick!
Ok so i found the 5.3 with harness for 600$ in a junk yard
Then i found a guy who said he has a motor its either a 4.8 or 5.3 off of a 2007 silverado with harness and transmission for the same price. How can i tell which ones which? I hope i get it today
I would try and put it in tomorrow!
Then i found a guy who said he has a motor its either a 4.8 or 5.3 off of a 2007 silverado with harness and transmission for the same price. How can i tell which ones which? I hope i get it today
I would try and put it in tomorrow!
May 28, 2011 | 01:41 PM
#2
On The Tree
Joined: May 2011
Posts: 143
Likes: 1
From: Griffin G.A.
he doesnt know where the truck is that it came from? run the VIN... check the stickers under the hood... door plate... wish i knew more than the common answers... not familiar with whats different on the outside of the motor...
May 28, 2011 | 01:45 PM
#3
Thread Starter
TECH Enthusiast
Joined: Mar 2011
Posts: 611
Likes: 4
From: Texas
I think i'm just gonna go with him
May 28, 2011 | 05:12 PM
#5
I think the best easiest way to tell would be to remove a spark plug. Turn the engine over by hand until the piston is up. Take a piece of wire and drag it across the top of the piston. The 4.8 has a smooth flat top, and the 5.3 has a dished piston.
Last edited by Gadgetized; May 28, 2011 at 05:24 PM.
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May 28, 2011 | 08:36 PM
#9
The 4.8, and 5.3 are identical externally. The piston check is the easiest thing that I can think of unless you had the tuner tell you. And then to be honest, even the tuner could be wrong.
