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Been away from the scene for a while. Just curious what these new 6.7's are doing these days. The 6.4 used to be the tuned powerhouse with factory compounds and rather large flowing stock fuel system. What kind of numbers are these revised 6.7's putting down? I was watching videos and people...

Hi, Who is currently making the best quality 60% and 100% over injectors? Best parts and actually flow tests them so they are all flowing equally. Thanks!

I haven't been on in a while...but I recall there being a race/kills forums on here. Was it removed? Thanks

Looking for a good excellent condition crankshaft std size on all journals. No scores. Thanks. Tony (805)990-1462

Hi guys I've been away from the forums for a while. I tried finding out what the fastest 6.7 is these days but only finding stuff from 2010-2012. Is this truck hitting 10's or 9's? Thanks

Hey guys the other day I drove my friends 6.4 with a Spart*n 250 tune, intake and exhaust. It was so responsive and had lots of low end torque. My H&S HD300 and 250 doesn't feel anywhere near it. It pulls hard up top but lacks response down low. Why does the Spart*n feel stronger down low?

Looking for factory airbox assembly for 6.0. Mainly want the part that has the MAF sensor in it. Thanks [email protected]

Hi, After clearing codes on the ECU the EGR and Catalyst Monitors need to run again. How many miles does it take for the Catalyst monitor to complete usually? Thanks!

Hi, With the tube to injector lines you can run the engine with valve covers off and command a higher rail pressure to see if there are leaks but how would you be able to tell if the HPFP is leaking from that seal? Without taking everything apart. If engine is EGR/DPF deleted and all lines at...

Hi all, I have a question for the experts out there. Does anyone have a true definition of what the config 0 / temp 0, config 1 / temp 1 etc etc actually mean? Do we know how the ECU determines when to use which tables? Like is Temp 0 used during ambient temps from 0-30 deg and temp 1 30-60 etc...

Hi I have a question for those that o-ringed your heads. Does the o-ring crush on the most inner part of the head gasket or does it line up with that groove indentation of the head gasket? Thanks!

What does the torque scale lb/ft 0 to 811 represent? Engine load? Or injector duty cycle? Or is it a way to represent throttle position? I'm confused on how to interpret what it means since it doesn't actually represent actual crankshaft torque every engine could be different. Thanks to anyone...

I have my stock turbos out for rebuild and upgrades. Has anyone seen the inlet side to the low pressure turbo? It has 4 fins cast in..I'm guessing to straighten out the exhaust flow. But honestly looks like a restriction and I don't see any other turbos using this and when you do custom compound...

Thought you guys might find this entertaining. Needless to say the guy was speechless. My built crew cab long bed 4x4 heavy pig vs a modified EVO X AWD using 2 step on the launch. http://youtu.be/p2NbgZPv4Hw