Forum: LSX Truck Conversions

do i have to bleed the coolant system on my 5.3 in a 78 c10 ???

Reworking my harness and have a couple questions. The engine is an 02 lq4. Its going in an 86 chevy truck backed by a th400 non lock up transmission....

Guys, I have my harness and everything all complete but, I have one ground wire behind the engine that I am not sure where it goes, cant remember or...

I need some help guys. I am trying to put this dude in my truck and I got the stock mounts to work with the LS adapter. the problem I have is...

Where/how do you all mount the ECM/PCM? Is there a bracket available for under hood mounting?

Hey all, I'm new to this forum and looking for some help. I recently swapped out my 5.3L for a 6.0L in my 2003 silverado 1500. I basically did a...

Hello, I am trying to figure out which air filter system to use on my 71 chevy truck. I put the 5.3 in it. I could use a 99 & up air box and make up...

ok i have every thing ready for the swap wiring everything. i'm using the ls1 accesories. my question is both v6 and v8 ac compressors have the high...

My beater is 91 sonoma longbed. My question is strictly major component replacement requirements to my chassis. The body is ignorable as this frame...

I am almost done my 5.3/4l80e swap into my 89 chevy. One of the last things i a drive shaft. Here's the issue. The yoke on the tranny is a...

I just finished stuffing a LS1 & 4L60e trans into my 85 El Camino. Had the new computer married to old harness so my stock gauges would work. The...

Anyone done one of these swaps? Gettin ready to prep mine and get parts together. Lookin at mostly the exhaust situation. Got motor and trans mounts...

hey guys, I live in the phoenix area and the only issue I have right now is how am I going to get the factory gauges to work along with the check...

Hello im in the process off doing my swap and still have some questions... my vehicle is a 1995 Chevy tahoe with a 5.7 tbi... Donor vehicle is a 2002...

Thinking about doing an ls6 intake on my 5.3 but I heard I can lose ET. And then I was thinking about an edlebrock intake with the elbow setup. Any...

the bolt broke flush, I drilled it , pretty straight too, but when I was using the easy out, the easy out broke, now what? Can you all help?:hyper2:

You've all been quite helpful along my journey and would like you to know that the motor has finally been installed (almost) The motor: ...

Hello, I'm new to LS1 Truck and need some help. I'm building a pro street 1986 full size chevy pickup. I'm wanting to put a 6.0 liter LQ4 or similar...

Just snatched the LT1/700R out of my 86 to start the rebuild. Want to go back with a 6 liter with a 4l80e. I'm separating the engine harness from the...

I'm having a hard time finding a tune for this in the repository. If someone has done this I would appreciate just a few minutes of your time. PM me...