LS1LT1 Forum
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A forum community dedicated to all LS1 and LT1-powered vehicle owners and enthusiasts. Talk, share or chat about the tech for the GM LSx series of engines, including Gen III LS1 and LS6, Gen IV LS2, LS7, L92, and the upcoming LS3 and LS9.
LS1LT1 Forum
7h ago
Hello, I'm new here. I'm trying to determine how to tell the difference between an ICM from a 93 LT1 from a Camaro and an ICM from a 94 Camaro. My father put an LT-1 in his street rod from either a 93 or 94 Camaro and the ICM is bad(dies when it gets warm). He suddenly passed away last week, and now I can't ask him what year Camaro that the engine came from. When I went to order a new one, I find out that they are different from 93-94, and they look exactly the same. There are so many things...
93 LT-1 ICM vs 94 LT-1 ICM identification ..read more
LS1LT1 Forum
19h ago
The catalytic converter in my 1993 formula Firebird with the LT engine has collapsed. What is the general consensus of removing the catalytic converter and installing a straight pipe in its place? I’ve heard other people say this is not a good idea because the catalytic converter and exhaust system creates back pressure, which protects the exhaust valves in the engine. I would just assume remove the cat and install a straight pipe. Comments are appreciated, thanks ..read more
LS1LT1 Forum
19h ago
Hi guys,
I'm in the process of swapping LT1/T56 in mu 3rd gen GTA, so I have one problem. I took complete engine and body harness from 1993 LT1 Camaro and put in my GTA, engine crank but won't start. I saw that problem is that I had no spark from coil. After that I saw that there is no 12V on ICM terminals A and D (pink wire). Coil fuse #11 is OK. There are no codes on ALDL, just code 12 says that "everything is OK"
What else should I try?
Thanks a lot.
Best regards ..read more
LS1LT1 Forum
5d ago
whenever i step on the gas all the way down my 95 trans does not shift into the next gear it just hits the redline and stays there until I let go of the gas a little bit what could it be? help ..read more
LS1LT1 Forum
1w ago
Okay, I've bought 3 different key fobs to my 97 firebird each from different sellers claiming that theirs are made specifically for the 97 trans am. I take the radio fuse out, cycle the ignition, hold the buttons. But it doesn't work. I've tried my user manual, I've looked up videos. The looks and latch all cycle to, but the key fob just won't program. How do I solve this ..read more
LS1LT1 Forum
1w ago
Does anyone know the correct adjustments for the yellow koni shocks and struts on my 97 trans am we installed them and I noticed that on most roads the car feels bouncy ..read more
LS1LT1 Forum
1w ago
So my steering wheel in my 97 trans am is sloppy I just changed my rack and pinion last year. I read it's probably my rag joint I've heard the best way tonget my steering nice and go where I want it to lol is to do an ls1 swap of the steering shaft? Is this true the best way or just replace rag joint? Also when doing the ls1 shaft change do I also need to upgrade to an ls1 rack and pinion and there's no modding need to be done. Thankyou ..read more
LS1LT1 Forum
1w ago
hi I bought a 1995 z28 Camaro a while ago, and I’m looking for increasing horsepower, the engine is fully stock i want to know how much max psi I can run with it being stock and not hurt the engine, I also wanna know if it’s possible to top mount the twin turbos because I personally think top mount looks sick ..read more