 Only 21 Reliant engined Quasars were produced, but Newell went on to build several more in his own workshop at Field Cottage, in Heddington.These later Quasars were fitted with motorcycle engines and several also had a Bob Tait-designed hub centre steering system, as did some of Malcolm's Phasars.The later machines included several with Suzuki GS engines, both chain and shaft drive, a Honda VF750 powered machine and one with a Kawasaki Z1300 6-cylinder engine.