Truck Forums - 5.3 replacing a 5.7

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adampgasser

07-30-2008 09:31 PM

5.3 replacing a 5.7

Will a 5.3 fit into a 1998 with a 5.7 or will I have a ton of computer and electronic issues getting everyting to work?

Argon

07-31-2008 05:44 AM

RE: 5.3 replacing a 5.7

you'd need everything from a donor truck...pcm,wiring,brackets...EVERYTHING

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