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swap 4.3 to 5.3

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Old Jun 8, 2009 | 10:07 PM
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Default swap 4.3 to 5.3

can some tell me what all i will need
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Old Jun 8, 2009 | 10:50 PM
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From: JunkYard
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Originally Posted by 05gmc
can some tell me what all i will need
First you will need A search button that works...

This has been covered more then once over the years but I Believe this is one of the best documented ones at least on this site. If not I am sure some one else will chime in.

https://www.performancetrucks.net/fo...d.php?t=378643

Then you will need a complete 5.3L with ALL the V8 parts for your model year application. A V8 wiring harnes again for your model year and PCM programed for that application.

Hope that gets you in the right direction.
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Old Jun 10, 2009 | 07:54 PM
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first of all what year? im fixin to do one as well pretty soon
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