JMR services
-
COMPETITION ENGINE PREPARATION
-
CLASSIC AND RETRO ROLLING ROAD TUNING
-
MOTORSPORT PARTS
-
![]()
'The' Hillclimb Mk1
“Where it all started….. He’s coming home: hopefully not be parked up again for another 12 years!”
-
![]()
Carbs and Bodies
“Need a fueling upgrade….. Let’s talk through your options”
-
![]()
On the podium, again!
"Simon Jeffs and his JMR-powered Mk1 earning third place in the CTCRC pre 83 "championship”
-
![]()
"32hp increase"
“Very happy customer: 220hp at 7500rpm and 170lbft of torque from their 9a-based 16v”
Rolling Road Gallery
Some of the fun machines that have made their way onto the JMR rollers of late, including (of course) those equipped with JMR engines and heads for road, track day and race use.
Testimonal
“The Golf starts with a damaged 5th gear. The engine builder says that I can rev to the limiter (8000rpm) and beyond by about three seconds. Oil on the track is a challenge and reduces lap times by about 2 seconds. We are mixed in with Jags but I start 4th in my class and finish 4th in my class.” SIMON JEFFS