Thank you Karl, that's the one I was thinking of (with the 240Z, not 240 Volvo). It was one of them that I test drove back when they were a current item.I believe you are referring to the Scarab?
The Scarab legend - The original hybrid Datsun Z.
Back in early 1976, Brian Morrow's company, Scarab Engineering, was building a Z car with a lot of the mods that we enthusiasts still pursue 40 years later...datsunforum.com
Tested: Old Volvo Wagons Are a V-8 Swap from Serious Speed
From the Archive: For the famous gearheads wanting to speed around town unnoticed.www.caranddriver.com
Volvo 700 Series V8 Motor Mounting Kit
The Stealth Conversions Volvo 700 series V8 motor mounting kit consists of aluminum adapter plates that bolt onto the Volvo crossmember, steel engine brackets, Chevrolet style rubber isolators and a transmission crossmember. The steel engine brackets have slotted mounting holes to allow...jagsthatrun.com