Forum: LSX Truck Conversions

I'm finishing up the wiring for my swap and need to hookup the tach and speedomete wires from my swap harness. My harness comes into the cab right...

do I need my old ecu (computer) for anything to complete my 5.3,4l60e swap into my 1990 pickup,or can I give it to the guy who just bought my old...

Hey...MERRY CHRISTMAS fellow wrenchers and motorheads !!!! Don't forget to help those less fortunate.........thanks to all !!!!! :thanks:

If any of you guys have pictures of your Shoenfeld headers installed it would of SUPER help in trying to determine whether I have enough room to...

Weighing options for headers to install in a '93 C1500 with an LS2. Just checking in to see who may have done this same LS/GMT 400 swap and if there...

I posted a while back with some questions about the 4l60 to 4l80 swap. I have a 1997 z71(350 vortec) and a rebuilt 94 4l80e. Well I am currently in...

Why splice together wires to make ur new 255 fuel pump work to work with or old tbi setup? I just bought summits edelbrock #3581. It is actually...

i really want to get my truck running as soon as possible so i read alot of forums about vats bypass modules and was just wondering if they work and...

Thaught I would get the word out, auto meter makes the adaptor fittings for hooking up your old sending units for guages. There. A lot cheaper that...

Im pretty sure it will but just want to make sure before i go buy the boss. thanks its a 4l80e out of a 1998 2500 im going to put it with my 2002...

Truck is 1990 Silverado with a 2004 Silverado's 5.3. The truck has a new water pump as in brand new. A SLP 160 t stat. Has a New 2 core radiator. And...

I've been searching all morning trying to find someone who has installed a LH8 oil pan in an 88-98 truck. My truck is lowered so I don't want an oil...

It seems its always the stupid stuff that takes more time and effort than the more complicated crap. Took an LM7 from a 5.3 in a 2004 silverado....

Would it be worth it to match port the exhaust ports and the exhaust manifolds to the same diameter holes as the exhaust gasket? I have the heads all...

so i got a 99 lq4 from a junkyard. i put a comp cam in it ( dur at .050 208int/212 ext and valve lift 554int/558 ext.) and beehive springs. got long...

Hey folks, new guy here. Been lurking for a while, figured I'd sign up and start being active. I've done some research on the LS swaps. I had a '56...

On a stock motor, can I reuse the head bolts? Thanks.

I was wondering what the possibilities are for hooking up transfer cases to the 4l80e. A 241C transfer case is whats in my truck right now (manual...