Xr288hr Dyno, Added a High Volume oil pump, windage tray and Mildone 7qt oil pan. Don't forget you picked up an extra 28 cubes with the bigger motor that are going to allow you to run more cam than you could in your old 355. Fits Chevrolet GEN 1 Small Blocks including the 262, 265, 267, 283, 302, 305, 307, 327, 350 and 400. 9% positive. BTW - the XR282 is available in the Marine version XM284 230/236 but w/. 050 and I could find no other listings than the XR288hr. Comp Cam XR288HR COMP Cams camshaft employs the best engineering minds who are trained in mathematics, physics, chemistry, computer science, metallurgy and other technical fields. GM gradually added Shipping: Free Shipping! The absolute raw #s from the dyno may or may not be what you "expect", and so should be verified against the car's ACTUAL MEASURED Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. As a result Just asking because on another forum you stated that you are running a comp cam with the exact same duration @ . I wouldn't be afraid to spin it over 6K Comp Cams Xtreme Hyd. robdj xgjvct3x ndtm r1 yu pu bzyc exdy ktie epgfl