KDU 497N
Originally fitted with a 4 cylinder Sprint engine it was later uprated. It was usually driven in 1976 by Brian Culceth and Johnstone Syer. the first finish
for this car was in the 1976 Burmah rally when Brian Culceth and Johnstone Syer finished fifteenth overall. A few weeks later the same crew finished in fifth
place on the Manx Trophy rally, the first time both cars finished an event. In November of 1976, 497N came eleventh overall in the Tour de Corse before being
replaced by OOE 937R. When OOE 937R was damaged Culceth reverted to 497N. A new car was built with the KDU 497N registration, it had a Safety Devices shell,
now with built in roll cage and the V8 engine, it was used for development and rallied by Dereck Boyd in 1978.
| Month/Year | Event | Drivers | Result |
| May 1976 | Welsh Rally | B. Culcheth/J. Syer | Ret - engine |
| June 1976 | Scottish Rally | B. Culcheth/J. Syer | Ret - engine |
| August 1976 | Burmah Rally | B. Culcheth/J. Syer | 15th overall |
| September 1976 | Manx International Rally | B. Culcheth/J. Syer | 5th overall |
| October 1976 | Lindisfarne Rally | B. Culcheth/J. Syer | Ret - electrics |
| October 1976 | Castrol '76 | B. Culcheth/J. Syer | 8th overall |
| April 1977 | Tour of Elba | B. Culcheth/J. Syer | Ret - throttle linkage |
| June 1977 | Scottish Rally | B. Culcheth/J. Syer | 9th overall |
| July 1977 | Mille Pistes Rally | B. Culcheth/J. Syer | 4th overall |
| November 1977 | Tour de Corse Rally | B. Culcheth/J. Syer | 11th overall |
| September 1978 | Ulster Rally | D. Boyd/R. Kernaghan | Ret - engine |
| September 1978 | Manx Trophy Rally | D. Boyd/R. Kernaghan | Ret - engine |
| October 1978 | Cork Rally | D. Boyd/R. Cole | Ret - gearbox |
| Date | Event | Drivers | Result |
| May 1976 | Welsh Rally | B. Culcheth/J. Syer | Ret - engine |
| June 1976 | Scottish Rally | B. Culcheth/J. Syer | Ret - engine |
| Aug. 1976 | Burmah Rally | B. Culcheth/J. Syer | 15th overall |
| Sept. 1976 | Manx International Rally | B. Culcheth/J. Syer | 5th overall |
| Oct. 1976 | Lindisfarne Rally | B. Culcheth/J. Syer | Ret - electrics |
| Oct. 1976 | Castrol '76 | B. Culcheth/J. Syer | 8th overall |
| Apr. 1977 | Tour of Elba | B. Culcheth/J. Syer | Ret - throttle linkage |
| June 1977 | Scottish Rally | B. Culcheth/J. Syer | 9th overall |
| July 1977 | Mille Pistes Rally | B. Culcheth/J. Syer | 4th overall |
| Nov. 1977 | Tour de Corse Rally | B. Culcheth/J. Syer | 11th overall |
| Sept. 1978 | Ulster Rally | D. Boyd/R. Kernaghan | Ret - engine |
| Sept. 1978 | Manx Trophy Rally | D. Boyd/R. Kernaghan | Ret - engine |
| Oct. 1978 | Cork Rally | D. Boyd/R. Cole | Ret - gearbox |