My perfect Pontiac Firebird Trans Am GTA. 3DTuning - probably the ... ... Pontiac Firebird Trans Am GTA Coupe 1987Pontiac Firebird 3 8 Engine Diagram - 0 Comments . LS1 power makes the Mazda RX-8 a far more respectable sports car than it’s original limp-wristed Rotary engine. While flipping through the used car listings on the San Francisco we came across one of the few fast examples of the Mazda RX-8 in the US. How do you make an RX-8 fast?.