Ford Escort | Ford Laser | Ford TX3 | Ford Sierra | Mercury CapriForum for discussion of the Ford Laser, Ford TX3, Ford Escort, Ford Sierra and Mercury Capri.
Not sure of the blue motor but the first of the 4x4 Sierra's gained a power boost with the red motor still and a better turbo damper but the 4x4 ate up the extra power.I have heard the 4x4 red motors referred to as EVO 1 engines .The green motors or EVO 2 gained strength mods for endurance but no power boost but these engines could take modification well. I read this in some info given to me by a Ford dealer here specialising in Cosworths. The person that i sold the sierra to still has this info dammit. Does anyone else here know about these blue motors.
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