Working on installing HD valve springs to complete my 4k gsk upgrade. Borrowed a spring compressor of the mechanic at work. . Seemed to be the same one used in the articles. Seems it works fine to remove the stock valve springs but the new HD spring are about 3/8" longer and it won't compress them enough to get the keepers back on. i need a spring compressor that will work. . and i need it asap. Can you guys help me on this one. . any designs on a custom lever type compressor i can build or buy... truck is torn apart in the garage ... getting a ride to work from a guy with a gaser chevy :0( ehh