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Ford Sierra RS Cosworth

2y ago

3.5K

Mark Oldfield brought his Sierra Cosworth in to us after a rebuild. Some dyno time was required to solve an idle issue and also to bring the boost up to a more powerful but safe level. As long as its safe for the engine we generally start off on a lower pressure and work our way up in increments until the customer is happy with the power the car is producing. The car finished at 425BHP which is more than enough to push this RWD Cossie along nicely.



Brief Spec:

Wiseco oversized pistons
Faradon H section rods
ACL race bearings
4x4 head
BD14 inlet cam
WRC headgasket
CR T4 Hybrid Turbo
044 fuel pump
Siemens 83lb injectors
I8 ECU
RS500 intercooler

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