Question of the Day: Ruf CTR3, Cayman or 911?

Sure, R f has said its 700-hp, 235-mph CTR3 is based on the 911, not the Cayman has earlier reports indicated. And that may be true. But skeptics are sounding off, mainly in reaction to the heavily modded Porsche's mid-engine arrangement and Caymanesque taillight assembly. Some commenters have suggested Porsche wouldn't allow a Cayman to beat a 911, lest its badge's mystique threaten that of the higher-priced (and higher-margin) niner. So is it the stuff of urban legend or do you think someone's pulling a (really) fast one? Sound off. [UPDATE: Check out some illuminating build info after the jump — thanks, Terry.]

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Related:
Porsche Ruf CTR3 Not a Cayman, 911 Purists Smile [internal]

From Ferrarichat.com:

The CTR3 is based on the floorpan of the Boxster, which is, incidentally the same bit as used on the 911. The inner structure of both chassis are the same.

The CTR3 has a completely new rear half of the car, as the chassis is cut just behind the seats. The rear structure is a tube frame structure with a billet aluminum rear cross member and suspension mount "plates".

The engine is the RUF RT2 twin turbo "911" motor with 700ish HP. A very powerful and torquey motor.

The gearbox is a 6 speed transverse box, made by a German company called Hoer. The box is similar to the box used in the Carrera GT, but is not the same. The Ruf box is unique to the CTR3

The rear has a pushrod type suspension, with Porsche 997 (modifed) suspension arms and uprights. The front suspension is McPherson strut, with modified uprights/etc.

The front and rear wheels uses acenter lock wheel retention system on RUF bespoke wheels.

The dampers are from Dynamic suspensions.

The rear chassis structure is integrated into the "donor" chassis thru the rollcage structure up top and thru some integral lower chassis tubes that run fore aft thru the rocker panel area.

The rear floor has a large ACO/ALMS style diffuser and is a stressed part of the chassis. (The engine floor is stressed as a shear panel, under the motor.)

The car's styling was done (primarily) by a young Australian, Ben Soderberg-whose dad, Dick, was a designer for Porsche for years. (Dick did the 959 car, among others.)

The mechanical design and engineering of the "new chassis" and drivetrain was done by....me (Yes-it was!)