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...

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...

I may be on the late bus with this information (forgive me if i am!) but it seems (to me) that there's some mystery surrounding the '06 TSX camshafts (at least from what I've gathered). We know the exhaust cam is the one to get, but whatabout the intake cam?? Well, I scored a brand new set of...

Here is a table i put together of all the transmission gear ratios in all the cars i could find published data for. If anyone finds published data on the CTR please let me know so i can add it to the chart. If anyone has the tranny codes of the engines listed below, please let me know so that i...