Z28 Valve Springs For Vortec Heads. Home / erson / valve springs ; Web sep 30, 2022springs good to. The biggest hurdle is accommodating valve lifts above 0.450 inch. Web i have a set of z28 springs made by a company called engine tech, got them for 60 bucks on ebay. Web jul 27, 2006the stock vortec springs are designed to control a very mild stock cam.
Web i have '98 vortec heads on my 350, and using standard z28 valve springs without cutting the spring pockets on the heads, resulting in some nasty coil bind. Later vortec heads may require the valve guide to be machined for clearance. So are the z28 springs a drop in upgrade for stock 350 heads? Z28 Valve Springs For Vortec Heads Web vortec valve spring pkg. The biggest hurdle is accommodating valve lifts above 0.450 inch. Web i have a set of z28 springs made by a company called engine tech, got them for 60 bucks on ebay.
High Performance 1.250 Valve Springs with 0.525" Max Lift Part Number
Web the brown stripe #142 springs (last 3 digits) have about 115 lbs seat pressure and 260 open pressure. I ended up getting a. Web well i completed the vortec head swap on the 327 and installed new lt1/z28 springs from competition products. Later vortec heads may require the valve guide to be machined for clearance. Web i have a set of z28 springs made by a company called engine tech, got them for 60 bucks on ebay. The biggest hurdle is accommodating valve lifts above 0.450 inch. Web vortec valve spring pkg. Z28 Valve Springs For Vortec Heads.