Renix HO project ? - Idle Air Stepper

I'm in the middle of installing a 93 powertrain into my 87, and I'm keeping the 87 computer and wireing harness. I understand adapting the 87 TPS to the HO throttle body, but what about the IAS? The HO IAS has a bigger plunger, do I just use the HO IAS? it will plug right in...

I have tried the bigger plunger and the smaller one of the old renix system and they BOTH worked fine on my 98'

another ?

Thanks, I'll probably use the HO one since the plunger fits the hole.

Has anyone else successfully used the renix IAS with the HO throttle?


OK also, the off-road.com writeup isn't clear on this, do I need to use the HO injectors? I'm using the HO intake/fuel rail/pressure reg.