LS1Tech.com - GM LS Performance Forum

Guys the flow numbers from GPI aren’t promising….Tonys 243 heads flow more than the BTR rectangle ports do. This endeavor isn’t a wh...

OBD-X Pro was ordered in a fit of late night shopping lol. Going to play with PCM Hammer/Universal Patcher, and have some fun with my garbage rescue l...

So I may need to replace the 2002 LS6 in my 98 Wrangler. Looks like low compression in the last cylinder on the drivers side. I hope not but I know th...

Getting some miles on it (175) but no where near where I need to be by end of the month for fluids to be changed and get it in the dyno. Swapped to th...

Finally got the heads delivered. Just mocking them up with 1 head bolt installed and intake manifold just sitting on top, the new heads port alignment...

Sorry, didn't watch the video (I hate YouTube with a passion). Knowing that it only happens when the starter circuit is engaged, even if ignition h...

Why are you running such high fuel pressure when you've got a boost referenced regulator?? Turn it down to 43 psi and you'll get more life out of your...