IMG_4898

Ford Escort MK4 RS Turbo Series 2

 

 

Engine

 

•Engine re-bored by 0.5 mm to give 1617cc

•New Mahle pistons and ring set, piston crowns machined down by 60 thou to give compression ratio of 7.75:1

•Exchange original crankshaft

•New main bearing shells

•New big end bearing shells

•New piston con rods

•Skimmed and lightened fly wheel

•Head skimmed by 5 thou

•New oil pump and strainer

•New water pump

•Larger capacity Ford Motorcraft EFL90 oil filter (Cosworth 4WD)

•Running fully synthetic Castrol RS 10w60 oil

 

•New uprated valve stem oil seals modified by Ahmed Bayjoo

•New valve stem sleeves

•AP Borg and Beck high performance 4 point paddle clutch

•AP Borg and Beck high performance clutch cover

•Machined and re-profiled valve seats

•Nippon Denso PK20PR-P8 platinum tipped spark plugs

 

•Kent CVH 35 cam shaft

•Collins Motorsport vernier cam pulley

 

•Garrett AirResearch TO3 Turbocharger machined to accept Sierra Cosworth compressor wheel with 60 trim and 0.48 A/R compressor housing plus modified exhaust housing and 360º thrust bearing

•Garrett AirResearch –31 wastegate actuator

•Pace intercooler with modified front bumper to allow greater air flow

•Custom intercooler water spray

 

•K+N panel air filter housed in cut down standard air box

•Magnex 3 inch stainless exhaust

 

•Engine max power output of 230 bhp at 6900rpm running a peak of 20psi of boost pressure holding 16psi to max rpm. Measured on Powerstation’s Sun dynonometer compensated for standard air temperature and pressure.

 

Engine Management

 

•Ahmed Bayjoo Motorola ECU microprocessor for ignition and boost control

•Ahmed Bayjoo Bosch ECU microprocessor for KE-Jetronic fuelling control

•Mechanical modifications to the KE-Jetronic injection system

•Rev limiter set to 7000rpm

•Modifications to the ports on the boost control, Amal, valve

•Charge carrier pressure feed pipe to fuel pressure regulator to improve high boost fuelling

•Cold start injector disabled

 

 

Done