I read through the 3400swap.com guide and he mentions that there is only a certain year/model range that came with the vertical mount EGR valve on the 3400 plenum. I think he said 97 Lumina vans or something. Can anyone confirm and/or provide more information? I have a 95 olds with the digital EGR and I will need the vertical mount for my 3400 head/intake swap. Before I go off and buy a random 3400 upper intake (already have heads and lower), I'd like to make sure I'm getting the right one.
Thanks in Advance.
Thanks in Advance.
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