Forum: LSX Truck Conversions

i just finished my all my wiring and the truck wont start. all the relays are clicking the fuel pumps is working the injectors aren't clogged. if i...

Thought I'd show some steps I took to complete the swap of putting in a 2003 5.3/auto in my 1996 GMC sierra. Step 1 Found donor vehicle to get...

bro has a 96 gmc with a 03 5.3. whats a good quality fuel pump that will drop right in and give him thousands of trouble free miles, something...

Real quick...1994 3/4 ton suburban with 2001 6.0 (LQ4) and matching 4l80e. Anyone had any problem with their 4l80e not shifting? When its in OD...

I've searched and guess I'm not quite understanding exactly what I need to do. What I have is a 03 5.3 in a 96 gmc. All gauges are working except...

Anyone with a 96 or simillar truck with an LS conversion try LT headers from a camaro? I was just wondering. I read where a guy, crammed a 6.0...

I have a close friend about to start the project of putting a 00 model 5.3 into a i believe 87 silverado. The motor has already be swapped once. It...

I've done a V6 to V8 swap on a 2002 GMC Sierra. I rebuilt the 5.7 and installed a T/C 220/230 cam with 116 degree lobe sep. The truck idles good and...

I'm debating on which motor I wanna buy. And is better in yalls honest opinion. lq9 vs ls1 :nutz:

i cant figure out how these relays are supposed to be hooked up the reds are hooked up to battery the whites are hooked up to to 12v switched...

Well I just put in my 6.0L and tried to bolt up my stock transmission to it (97 4l60e) I put a spacer on the engine. But it looks like it will be to...

Well this project was a bit of a workout but overall went fairly well. I work for a GM Dealer in Western Canada and we decided to come up with a...

hello all,I have a two door tahoe 95/96 tbi engine.i took it to the smog ref . and they told me i need to swap out the engine, because it originally...

i can figure out how to get the new brake vacuum fitting to fit were the old one came out is there more that needs to come out than i got?

So I am getting around to putting a belt on my 5.3(pulled from 2001 suburban) after about...ohhh 6 months or so of not messing with the truck. I have...

Is there a specific ground or power wire I'm missing? According to a scanner, none of the engine sensors (O2s, MAF, MAP, IAC) work. I'm ready to...

Ok, i have a '94 chevy single cab (short wide) and the motor messed up. Don't know exactly whats wrong with it, not a mechanic. I've decided to...

I am getting to the point where I need to start running fuel lines and such. Can somebody tell me what I all need like fuel lines, fittings, etc and...

Hello Guys, My Name is Noah and I am new on here. I have been searching this forum but need to pick your guys' brain a little. I have a 1999...

Went and picked up my truck from the exhaust shop today and it runs like crap. I didn't make it halfway home before it shut off on me. Its running...