Ryan Dextraze will take over gasman duties for the #16 Roush Fenway Racing team and driver Greg Biffle this weekend in Bristol. Dextraze served as the teams catchcan person until this year and then moved to windshield tear-off duties. Billy Manchester who served as the teams gasman for the first three races of this season will maintain his position as shock specialist and take over windshield duties on raceday.(Roush Fenway Racing)(3-15-2011)
