i have a 93 T/A , i am going to take my 408 stroker out of my vette, in my T/A to make a 9 second drag car, IE my TA better platform, the T/a has a 383 right now, and the computer and harness has been converted to 94 harness. what is intailed in converting the wiring harness over to the ls1 harness, i know the rest of the mechanical install is pretty much straight forward swaps, but i am kinda nervous in doing the wiring converting it over.

 

just gotta repin the 3 main interior plugs. and a few on the pcm.

 

so the plugs on the pcm are the same plugs, you just have to repin them??

 

I just finished the same swap. I used a Ls1 harness and my 93 LT1 harness and spliced them where necessary. I did not repin the three connectors just cut, soldered connections. It is easy to find the connector pins at shbox.com - that is where I got a lot of info from and also from alldata at work. Let me know if you have any questions. I just fired my Ls1 up today.

 

use an LS1 harness. the motor harness is seperate from the body. just buy a used LS1 or speartech or something of the sort harness... i wouldnt screw with the LT1 harness... sell it or use it with the LT1

 

by that i meant the plugs on the ls1 harness.

 

i was thinking about using a bmr tubular k member for a ls1, will that bolt right into my cars chassis, also is there any other things i have to look into that my maybe tough or tricky

 

Yes, the LS1 BMR K-member will bolt directly to your LT1 chassis. I'm in the process of researching all this myself, so I've taken interest in this thread.

You gonna run an auto or manual trans?

Mike

 

my car is going to be a drag car, so i will be auto, the is a stick as of now

 

Doing a ls1 swap too, got the BMR K-member, and everything else cept for 97 vette fuel rails.

 

i already have a -10 steel braided fuel system, so i will using a -10 fuel rails

 

You got everything wired/installed? How hard was the wiring, if so? Trying to get an idea of what I'm in for. Everything else looks easy to me, but the wiring makes me want to beat my head against the wall lol....

Mike

 

is there a tutorial or somthing that details the complete swap from LT1 to LS1?

 

yea im wanting to swap out my 96 trans AM LT1 of an LS1 and i was wondering what all i have to do too. I have the computer and wiring harness for the LS1 puss the the motor so it would be nice to know what to do to hook everything up.

 

get a ls1 harness, it will be a lot better and you know it will work, and you will not spend 1and a half day do it i send you a e-mail

 

you do NOT need the 97 vette rails.

use the normal LS1 rail that everyone else uses..












anyhoo, the LT1->LS1 swap isnt too hard, just start with a 99 to 02 Fbody harness.. the two connectors (blue and white, non-metri-pack) that go into the car need to be repinned.
the coolent temp sensor for the gauge needs to be put in the passenger side head, and pinned to one of thoes two connectors.

the 3 underhood connectors can hookup to existing underhood wiring.


you'll need HPtuners or some other software to delete the codes you'll throw, (mostly emissions stuff) and to reflash the tach output to match the tach in your car.

thats about it, other then tracing down a intermittant crank sensor wire, it only took us one day to wire up a LT1 car for a LS1.

 

[QUOTE=MrDude_1](blue and white, non-metri-pack)QUOTE]

I could be wrong, but I think they are Metri-pack connector. Just not the sealed kind. Metri-pack 150

 

[QUOTE=Jones'n]yea, i was thinking that after i posted it.... you're probly right.
afterall, they do use the same pins as other sealed metri-pack ones....
ive never had to lookup the actual connectors.

 

Use the lt1 harness and the Ls1 harness and combine them, you will need the following: rack and pinion, steering shaft, k-member, power steering lines (if p/s is used), custom a/c lines (if used) and a lot of time. The radiator can be used if the driver's lower bypass line is plugged. If you have any questions pm me.