I know this has been touched only a few times, but I figured I would share the sump that I made for my 1990 stock fuel tank.I first made a cardboard mock up of the piece I wanted to make just to get some ideas of the angles and measurements.I then took some 16 ga mild cold rolled...

So after doing countless searches via google and on different DSM forums, I'm still up in the air for compression ratio for my next engine build.So far I plan on running 272 Kelford cams, .70ar T3 BEP housing with accompanying manifold, stock intake manifold, DSM link V3, ETS "race" FMIC...

As the title says, I just moved back to the Seattle area from San Diego after a 5 year stint with the Marines. Currently have a 2008 WRX, but building a 600hp 1990 GSX. Should be hitting the streets around Sept due to more training out in Viriginia, whoo. I'm not new to the dsm scene, but...

So as the title says, my final goal is roughly 550AWHP on a 1990 GSX 5 speed manual. The car has 202,000 on the chassis and 120,000 on the engine with a freshly rebuilt head and some minor cosmetic exterior damage to the passenger side door and quarter panel. I got the car with a nasty idle...

Just bought a 1990 GSX and need to pass emissions. Does anyone have a stock exhaust laying around in say a garage that they aren't using? I'll either buy it or borrow it to pass. Not really wanting to waste the money to get a new DP with a test pipe/high flow cat section.Thanks, Mike