Rick Sadewitz's Turbo 2500 M.
TVR designed the 2500M for the US market and made use of the Federal specification Triumph TR6 engine and gearbox. The 2500M featured a tubular backbone frame and all-independent coil suspension, which improved ride and handling. Manufacturing spanned 1972 - 1977, with a total production run of 947 cars.
The turbo was originally installed in 1978 and includes a Turbonetics waste gate set to limit the maximum boost to 10 pounds. The small nose of the M does not lend itself to inclusion of an intercooler so water injection is used instead. The manifold has been custom made and has a turbo chamber above it. In the photo you will see tubes coming out either end; the one going toward the firewall goes to a pressure gauge on the dash, the one going forward is connected to a pressure switch for the water injection. The water injection is a simple set up with a jet that is adjustable by hand, a pressure switch and a windshield washer pump. Water is injected just below the carburetor and immediately prior to the compressor wheel and is activated at four pounds of boost.
The aluminum canister just over the radiator is the water tank. The canister next to the firewall is coolant overflow tank. Due to the low under car clearance there are no mufflers, only dual exhaust pipes, which reduces turbo backpressure.