(MARRS-RX7) 4-rotor sound, WOW!

John Uftring john
Wed Dec 15 04:51:02 CET 2010

Yep, RX-792P IMSA GTP cars, saw them at Limerock Park when I was  
flagging in New England in the early 90s. Got some pictures of them,  
too. Sounded like a jet when they were full-song headed down No Name  

Jim Downing still brings out his Kudzu 2-rotor CSR to the Nationals at  
VIR. Great car to hear. I was at Daytona in '99 when Downing had the 3- 
rotor and 4-rotor cars there. Like Al said, killer sound, and a great  
lightshow. Exhaust glows light yellow/white under full throttle near  
the engine to bright orange at the exhaust tips, and camera flash  
bright flame pops on downshifts.

Yep, that was impressive, and it was under the "twilight" light  
levels. Imagine if there were still no track lights...

- John
   #94 SRX7

On Dec 14, 2010, at 5:52 PM, Brian Hair wrote:

> I think they were the RX-792P, maybe.
> On Tue, Dec 14, 2010 at 5:49 PM, Brian Hair <brian at ogracing.com>  
> wrote:
> Yep.  I saw/heard those Mazda prototypes (Dark Blue/Silver) at Lime  
> Rock one year.  The sound was very loud and unique.
> On Tue, Dec 14, 2010 at 5:42 PM, Gervais, Al <AGervais at newcorp.com>  
> wrote:
> I was at the Rolex the final time the Ferrari 333SP raced, and Jim  
> Downing was there running his 3 rotor WSC.. Believe it or not, the 3  
> rotor sounded cooler than the Ferrari.. And the exhaust pipes glowed  
> at night..
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