Thread: Mk2 focus rs engine numbers
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Old Apr 12, 2020 | 07:24 PM
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iansoutham
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Originally Posted by Eshcrazey
Also what is the number beside the oil filter for ?b5254t? Should I take any notice of the one beside the filter ? As I’ve been told they all have the number there ?? Cheers
B = petrol
5 = number of cylinders
25 = engine capacity
4 = number of valves per cylinder
t = aspiration (Turbo)

this is a Volvo designation system
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