Forum: LSX Truck Conversions

Hello all, Is the LQ4 flex plate and a LS1 flex plate the same? I had my precision stall converter re stalled and they made the motor side snout a...

how much hp gains a guy could see from extensive head work on a 5.3 porting,bigger valves,etc. just wanting to know if its worth it ?

hello all i just got done doing the LQ4 6.0 swap into my 1987 R-10 long bed. i have the magnuson 112 radix system 4L80E behind it and used all the...

After doing my 6.0 swap everything seems to be running good, but when I crank the truck and it sits at idle when cold I am only seeing around 15 PSI....

Ok so i am now on my third rear end who can tell me what might be the best way to go. i have had the eaton locker, the auborn, and the old school...

Alright if I had a 4.8 and changed my connecting rods to those of an Ls1, how well would it perform?

Just wondering how many guys on here have swapped in LSx's into their S-10's and any pitfalls that may have arisen. A few areas I'm wondering about...

So i got my 5.3 for the swap into my 74 K-5 Blazer and when i bought it i was told it was a 2003 engine. When i started going through the wiring...

Does any one know where I can find an OBS pin out for the ECM?

Hey ive heard some LQ4's have LS6 heads on them...i have a 2004 LQ4 and was wondering if it had LS6 heads or what??? or a number i can look at on the...

Well on my 6.0 swap I did away with the TB heater connections, and have the hose run from the head to the radiator. It is plumbed into it about 6"...

I have started this project and will probably pull the 305 tonight! I plan on using Nelson for the harness. -Do you recommend them for the tune...

ok so i took the truck to the dyno today and was very impressed i drove 45 minutes to get there. truck had no chance to cool down, they strapped...

Folks are there performance gains from this swap? 5.3 heads on a 6.0 block.I have a 5.3 with 133k + miles on it and it has a death rattle in the...

just curious....how much more difficult, if any, would an 8.1 BB swap be as compared to a 6.0 swap in an OBS truck? both running 4l80e trans? would...

i saw that some one is currently starting to make some one here for a obs swap to an lsx motor. but is there any others that will fit in a 88-98...

hey guys does anyone know where the stock temp unit is located on my 4.3 its a 1998. i figured itd be on the head somewhere? but im not seeing it?...

right now i have a 2002 avalanche with a stck 5.3 , i will be ordering a brand new LQ-9, so i was going to buy a 80mm throttle body. i was thinking...