Can I use LS1 o2 simulators ???

 

You don't need O2 sims on a 93 LT1. The "sims" are used in the after-cat position, when cats have been removed. After-cat sensors only exist in OBD-II (96 and up) LT1's. You only have "pre-cat" O2 sensors on your OBD-I 93, and they must continue to function, in order for the ECM to control A/F ratio.

 

ok you might be able to answer this question

i'm running a 93 LT1 in my 89 RS. I have headman headers for 3rd gen camaro there's only one spot on the ypipe for the 02 sensor, where should drill and weld an adapter to put the second one ???

driver side header at the flange ??

 

What O2 sensors are you running? Stock 93 sensors were single wire, non-heated sensors. If this is what you are using, you need to get the sensors as close to then engine as possible. That generally means in the collector, with headers. If they are "shorties" it shouldn't be a problem. If they are longer tubes, you might need to convert to 3-wire heated sensors.

 

ok thanks for the info

 

I drilled and put on the passenger side Y-pipe right in about the same spot as the starter is only mine in facing the front of the car. Make sure you do not drill the hole towards the starter though, the O2 will not clear the starter.