The point of this thread is to compare dyno tuned charts to compare low, mid and top end gains to benefit helping us all understand where power was made and using what mods. if you would like to share tuned calibrations to benefit others understand what different settings affect different...

I wanted to start my build thread for my new project so here I go. The car is a 79 1200 civic with only 70k miles. I am using the motor (k20) out of my race car for this build. I have two weeks to strip it down and get it to the chassis shop. We will have it at the chassis shop for 4-6 weeks...

In this thread I will try to show what I have done with the rotrex superchargers on the K motors. I have being playing with the Rotrex on a stock K20Z1 for 4 or 5 years, and bought a Dynapack in December last year to do the development properly. Long term I am building 89 x 90.7mm, 88 x 99mm...

I would like to know if anybody got their hands on a RSP intake manifold? Did you test it against a RBC intake manifold? The RSP intake manifold is a three piece design that has much longer runners (about 2.5" longer) and a slightly bigger plenum than the RBC intake manifold. It is basically...

Instead of having a thread Titled how much power can a stock k20/a2/z3/z1 make, I thought i would make this thread. I just wanted to see what turbo setups guys had on internally stock k20's. Motor: Power: Turbo: Manifold: Wastegate Size: BOV: Injector Manufacturer and Size: Piping(including...