tyler ovel

iTrader: (1)

Im swapping a ls1 motor into my lt1 body but I really want the ls1 dash also to go into my car. I have basicaly everything for both of the jobs, complete motor, wireharness,k-memeber,dash,dashes wiring harnee,ect. I just dont know if everything is going to go smooth (like it ever dose) lol. Also just to add, I dont have a pcm for the motor, will any ls1 pcm work? thanks

transambandit

iTrader: (6)

i think any PCM will work you just have to have a dealer reflash it if i remember right, probably 50 bucks or so.

enganeer

iTrader: (18)

I think there is a difference for the earlier LS1 and later LS1 for the harness and pcm interchange for pin connections. .Stick with the same year pcm that the harness is.

tyler ovel

iTrader: (1)

Thanks for the replys. But what is reflashing?

fast377

iTrader: (52)

If your dash and instrument cluster are from a '98 then you need a '98 computer...other wise it doesn't matter. Reflashing is when you load a tune into the ecu for a specific vin.

tyler ovel

iTrader: (1)

Thanks fast377 but what if I dont know the vin for the motor. and do you know the dash and harness will plug in ok?

01WS6/tamu

iTrader: (37)

As long as as you swap everything. Every last inch of wire from the donor into your car it will all work. If you are leaving the older front clip you will have to do some splicing for the forward lighting harness but that is it. As long as your car is using a 99 up pcm it can be flashed for any ls camaro or firebird with the correct transmission your car is using and it will all work. You will also have to use the donor fuel tank for the gas gauge to work correctly.

fast377

iTrader: (52)

Oh yea, I forgot about the fuel sending unit. Don't worry about the vin. Just look up whatever year car on ebay and use that vin (like '99 Z28 A4 for example).

samurai41

I believe in order to keep the gauge cluster you will also need to keep the body control module from the vehicle. I know this is true with the 99-04 corvette, not sure what your using as a donor. stay away from 97-98 pcm as the VATS will give you troubles.You will want to purchase the factory service manuals, as it will twice as hard to do it without them!.