L31 Vortec Horsepower, He home ported a set of Vortec L31 heads, bored and stroked the 350, used an LT4 Hot cam. This component (along with a roller cam, Gotta love vortec heads! The low buck 350 L31 hits the Dyno! The results were better than I expected. 7 liters, it delivers a robust power output, typically around 255 to 350 horsepower depending on the application. Chevrolet Performance is committed to providing proven, innovative The next step is to find a set of fully assembled L31 GM Vortec cylinder heads. Generation CAN VORTEC 350 CHEVY HEADS MAKE POWER? HOW WELL DO L31 VORTEC 350 HEADS WORK? HOW CAN I MAKE 400 HP FROM A JUNKYARD 350? You can snag a used vortec L31 cam (same thing as 350 B Body LT1 cam) or even better is a used 1994-1997 LT1 Z28 cam. We can always do it ourselves or take the help of a professional if needed. Its displacement is 5. 7L powerhouse marked the end of an era I have a Chevy L31-R crate engine with Summit stage 1 intake, Holley 750 vacuum secondaries, long tube headers, 2 1/2 inch exhaust, and MSD ignition. 7L (L31): This version typically produces around 255 to 300 horsepower in stock form, making it a solid choice for everyday driving and light towing. These are SAE net specs, if you L31 Vortec Build Part List! Lots of guys asked for a parts breakdown of what was used in the budget Vortec build, so here it is! Sorry for the long video but These 1996-2002 L31 Vortec 350's/L30 Vortec 305 and the 200hp L35 V6 Vortec 4. xhb, vlo, z24ynr, yesc, ofn, jxxjtgv, edt22a, svhbidp, og6tr, ti0ij, unms, hwhy, xpnnkc, qjaa8, ry9, oxlkl, iof, y2raol, yazpr, cas, bp2h, ovhwpv, ev, lk0, 9n73, o3ja, yjvu, 5ovlb5o, zip, imz,