TECHNICAL SPEC
1, Turbo: GT42 turbo with a custom internal specification
list of changes.
2, Coil on Plug: As used by touring cars, this allows more control and
an equal amount of spark to each cylinder.
3, Inlet Plenum: MIS magnesium inlet plenum – modified heavily to efficiently
pass 800bhp.
4, Fuel System: Installed to ensure constant and equal pressure across
both fuel rails, effectively
working like a twin system.
5, Exhaust Plate: Used to tune the manifold primary lengths on the engine
dynamometer.
6, Throttle Body: BMW Formula 1 throttle body with five angle changes
due to air speed over throttle angle.
7, Harmonic Damper: An essential for high-revving engines.
8, Dry Sump: Custom made twin-scavenge dry sump system another essential
when engines rev above 8,500rpm.
ENGINE
BUILD
Ford YB 200 – 1000+ bhp
JEMS specialize in building YB engines to a specification that is right for you and your car. From the nearly stock, but ultra reliable version seen in Craig Rainers race Escort to 1000+bhp drag racing versions.
JEMS Wide Power Band YB
One
of the first in the country, this YB engine has a very wide power band and
very low weight. This engine specification would be a fantastic in a rally
car. Read about this example installed in a Ford Sierra Sapphire race car.
