Forum: LSX Truck Conversions

im running my stock compressor from the obs truck (89) model and my stock gauges, i have my harness from nelson but im totally lost on this part of...

I'm putting a 2003 5.3 truck engine in my 1990 xcsb p/u.Will the stock manifolds from the 2003 motor fit with this swap or do I need some other stock...

Does anyone have the sales email for S&P. Their website is the worst made i have ever seen!

I have a 91 GMC RCSB that I just put a 4/6 drop in. It has a 700R4 in it. I want to LS swap the truck. What LS to use? Its a street truck used as a...

which oil cooler adapter are you guys running with the choenfeld headers, do yall have any pictures, thanks

Will the radiator from my 4.3 engine cool a 5.3 without any issues, I will be running dual fans

so i deleted my 97's black box pcm last week, and to my surprise.. my speedometer still reads wrong and my gear indicator light is not on! the...

Ive seen pics of them on here just cant seem to find them tonight. Any help would be great

Just doi g a little research here.. and ive came up with the tr220 cam to put in my 5.3. What is some of you guys input on this... should i run a...

Anybody know if the long tubes from the 98 z28 will work in the truck? Or should i go ahead and look into getting different ones? Just trying to...

Where do you guys tie into the factory tach on a obs truck. Mine is 93 if that helps

Hey guys im new to this forum and im looking into swapping my 89 gmc over to the 5.3. right now its a 350 tbi 5 speed 4x4 i just dropped the 350 in...

Alright well I am finally posting some information on my LS1 conversion. The recipient is a 1990 Chevrolet RCSB 1/2 Ton Two Wheel Drive. The donor...

Is it possible to use 2 vss (one for old speedometer and one for new pcm) and thus not have to cut and splice the wires in my drac box? I really...

I got my purple brake switch wire that goes to my 93 ecm. Where do I put it. On my LS pcm ? Im trying to get this tcc signal thing happening.

I have my motor and trans in, engine is a 5.3 from a 2005 avalanche and the trans from a 03 2 wheel drive. My first problem is the front of the...

Does anyone know if there is a difference between say a 99 4L60E vs. a 2002? I have heard the 02+ trannys may have been built to hold more torque?...

I have a 87 blazer tank with the ep241? Fuel pump on my sending unit. My question is how much room should I have between the sock on the bottom and...