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Old 07-28-2014, 05:49 PM   #9
Acorn
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Join Date: Jul 2013
Location: Winnsboro Texas
Posts: 367
Re: Doing TBI swap to 69 GMC

I did a TBI swap on my '70 and it is pretty easy. The harness I had was messed up and I did not have the time or the patience to rework it so I bought a reworked stand alone harness from warrperformancellc on e bay. It was under $200 and well worth it. The seller was more than helpful in answering my questions. Everything on the harness was labeled and it came with instructions. You only need to run power to a few wires and a couple grounds and your good to go. Very easy!
As far as the fuel pump, the '96 will be higher pressure but i think its a better pump. As long as the regulator in your tbi unit is ok and you have a proper size return fuel line, you should be ok. But you really don't need more pressure if the engine is stock. Either way I would recommend buying a NEW pump.
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