Classic GT roll cages, Tojeiro Buick, Ferrari 250, TVR Grantura, Lancia Appia, Marcos GT, Ferrari 308, TVR Griffith
Rare Tojeiro Buick GT from the 60s with the limited safety features typical of that era. Full 6 point cage with door bars required. This picture shows the main loop with reinforcing plate on the sill.
Tojeiro Buick roll cage.
Back braces pick up on strong point on the chassis around suspension mounts. This is the aluminium V8 which later saw service with Rover. Tojeiro Buick roll cage.
This picture shows the front tubes and screen top tube together with another of the spreader plates on the sill. Door bars not yet fitted. Tojeiro Buick roll cage.
Narrow chassis tubes meant that a spreader box had to be built to give a suitable base for the back brace. Tojeiro Buick roll cage.
Drivers side door bar now in place.... Tojeiro Buick roll cage.
... and the spreader plate in this case has to be fitted around the gear lever slot. Tojeiro Buick roll cage.
Ferrari 250 short wheelbase.General view of driver's side.Front tubes pass through the top of the dash and then bend out slightly towards the side to be as close to the sills as possible.
Tubes mount to boxes tied into tubular chassis running through door sills. Ferrari 250 roll cage.
General view of passenger side with diagonal and cross brace. Ferrari 250 roll cage.
Back braces to main loop pick up on rear shock absorber towers. Ferrari 250 roll cage.
Installation in TVR Grantura. Rear tubes braced to new sub-frame attached to original chassis.
No suitable floor mounting points so small box fabricated which attaches to chassis under door sill. TVR Grantura roll cage.
Basic bolt-in cage for Lancia Appia
Main loop with back braces to parcel shelf, diagonal bar and second loop above back window. Lancia Appia roll cage
Supports from parcel shelf down to chassis. Lancia Appia roll cage.
Bottom of main loop bolts to mounting box built up around sill at B-pillar. Lancia Appia roll cage.
Marcos GT with combination wood and metal chassis. Main passenger compartment is based on a plywood structure with tubular metal sub-frames holding front and rear suspension.
Main loop with back braces welded to plates shown in next picture. Full triangulation and a cross tube between plates. Marcos GT roll cage.
Much larger spreader plates than usual are supported with matching plates on the underside so the plywood is sandwiched between the two.Left picture is at the bottom of the A-pillar and the right at the back of the parcel shelf. Marcos GT roll cage.
This Ferrari 308 was typical of older GTs with a substantial frame which formed a sound basis for the cage, which in turn added stiffness to the complete chassis.
A full spec cage with equal protection for driver and passenger. main loop, roof X and door X's, main loop X and cross bar for seat belts. Ferrari 308 roll cage.
Main loop back brace (1), shoulder level back brace (2) and A pillar forward brace (3)are .... Ferrari 308 roll cage.
... tied into main chassis members/suspension pickup points. Ferrari 308 roll cage.
TVR Griffith 400 for FIA Historic racing. Requirement for a fully bolt-in cage to allow body removal for final stages of construction.
Wide angle view gives some distortion but shows triangulated main loop with triangulated back stays. TVR Griffith 400 roll cage.
View through rear window opening showing bolt through attachment to chassis. Horizontal loop in bottom right is for seat belt attachment. TVR Griffith 400 roll cage.
Detail of A-pillar tube with door bar and dash tube. Bottom mounts onto built up section of chassis running through the door sills. TVR Griffith 400 roll cage.