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Old 01-01-2013, 10:04 PM   #1
SLEDGE-HAMMER
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Join Date: Dec 2012
Location: liberty tn
Posts: 4
4.3 to 5.7 vortec

hey guys im having a few issues on figuring outt his swap i have a 96 4.3 vortec 5 speed truck thats knocking i want to move up to a 5.7l vortec

my questions are

can i use the existing motor mounts?

will the harness interchange?

do i need a 5.7 computer?

will the y pipe bolt up?

can i use the 4.3 flywheel?

and what year engines will work?

any answers will be greatly appreciated thanks
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