Continued fitting upper cowling air inlet ramps to insure clearance with front baffles. Trimmed front edge of airbox to fit sleeve. Installed and sealed 90 degree wing tank feed fittings in header tank. Filled header tank with 3 gal of 100LL fuel and tightened filler cap. No leaks noted. Attached wing tank fuel lines to 90 Deg. fittings. Next step is to mount prop and test run engine.