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Old September 10th, 2009, 11:04 AM   #5
Disturban
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Originally Posted by Disturban View Post
If you are going from TBI to TPI you will need to change wire harness and computer. If going from a 4.3 TBI to a 350 TBI you can use the same harness and just change the computer.

PS: If going from TBI to TPI you will also need to upgrade fuel pump because TPI requires more pressure.
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