The chassis was designed and fabricated by Barry Pearson; it consisted of a square-tube spaceframe onto which a 13B rotary powerplant from a Mazda RX-7 was fitted.
Two more years of development saw a number of cars built; the first V8 was powered by a TVR crate engine supplied by the customer.
[1] Bettini decided a Toyota 4.0 litre Quadcam as used in the Soarer and Lexus SC400 would be a more desirable choice and the next production run saw four normally aspirated cars built and sold.
[2] AEC decided that the new Bullet Roadster and supercharged SS models should become fully Australian Design Rules (ADRs) compliant, and they invested heavily to achieve that end on 4 December 2002.
Resale values remain high with recent sales (2008) of $27,500 for an excellent 1998 Rotary, $37,500 for a 2000 Roadster and $62,000 for a pre-production supercharged SS.