4.8 silverado swap for 6.0
05-02-2005, 03:34 PM
#24
Launching!
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I just read the book and went for it. It would be a do-able job, but I wouldn't recommend it. I was glad to have an experienced mechanic there several times, when I ran into snags.
It would have taken me 3 times as long in my garage.
It would have taken me 3 times as long in my garage.
05-02-2005, 03:40 PM
#26
Teching In
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what else will have to be done to the truck after putting in the more powerful engine? people have said that you really wouldnt have to do the rear end stuff but Im not clear on what all you have to do. I guess new transmission for sure ?
05-02-2005, 04:06 PM
#27
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Originally Posted by Txboy89
what else will have to be done to the truck after putting in the more powerful engine? people have said that you really wouldnt have to do the rear end stuff but Im not clear on what all you have to do. I guess new transmission for sure ?
05-02-2005, 04:16 PM
#28
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Originally Posted by rosscob
I think it depends on how hard you beat on it. I didn't do anything else. If and when the tranny goes, I'll get a built one. From what I've heard I think you can plan on a tranny before too long.
05-02-2005, 04:27 PM
#29
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Originally Posted by Txboy89
whats it mean when its a built tranny? thnx
05-02-2005, 04:31 PM
#30
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The 4L60 and 4L65 trannys are a bit on the fragile side even behind a modestly built 5.3l engine. Disabling torque management in the PCM program is a sure way to kill the trans. After several redo's we finally killed the ring and pinion 
On our swap we used all the sensors and brackets from the 5.3l. We only swapped the block and heads. According to the GM parts book, even the fuel injectors are the same from 4.8l to 6.0l engines. The guys that wapped my block had it done the same day. I dropped the truck off at 8:30 in the morning and it was done and running by 6:00 that evening.
Good luck,
Richard
On our swap we used all the sensors and brackets from the 5.3l. We only swapped the block and heads. According to the GM parts book, even the fuel injectors are the same from 4.8l to 6.0l engines. The guys that wapped my block had it done the same day. I dropped the truck off at 8:30 in the morning and it was done and running by 6:00 that evening.
Good luck,
Richard