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I recently did a 3400 motor swap (besides 3400 upper/lower intake *dont worry im getting to it*)..and i am still currently still using my old 3100 injectors from my old motor..and im looking to swap with 3400 injectors..is it plug n play or what would i need to do?

thanks


SN---out of curiosity...what are good signs of showing that your fuel injectors are bad?

96B-Mike wrote:I recently did a 3400 motor swap (besides 3400 upper/lower intake *dont worry im getting to it*)..and i am still currently still using my old 3100 injectors from my old motor..and im looking to swap with 3400 injectors..is it plug n play or what would i need to do?

thanks


SN---out of curiosity...what are good signs of showing that your fuel injectors are bad?

The only 3400 injectors that are plug n play I believe are from a 99 3400. I have a fuel rail injector harness and injector assembly from a 99 sitting here!

Correct, the 99 Chevy Venture van injectors are plug and play. But you don't have to change the fuel rail, you can use your stock 3100 rail(also the stock harness). I have the Venture injectors on my 3100 with 3400 intakes.

scd88ga wrote:

96B-Mike wrote:I recently did a 3400 motor swap (besides 3400 upper/lower intake *dont worry im getting to it*)..and i am still currently still using my old 3100 injectors from my old motor..and im looking to swap with 3400 injectors..is it plug n play or what would i need to do?

thanks


SN---out of curiosity...what are good signs of showing that your fuel injectors are bad?

The only 3400 injectors that are plug n play I believe are from a 99 3400. I have a fuel rail injector harness and injector assembly from a 99 sitting here!

thank you! but imma go with Money Pit's route since it will be cheaper

Money pit Beretta wrote:Correct, the 99 Chevy Venture van injectors are plug and play. But you don't have to change the fuel rail, you can use your stock 3100 rail(also the stock harness). I have the Venture injectors on my 3100 with 3400 intakes.

awesome! thanks

Your welcome, truth is 3X00 told me about it.

96-99 3X00
if you can tune use trailblazer injectors (will need an harness rewire) or L67 injectors drops right in.