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Converting a Sierra Cosworth to a cone filter


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Hi everyone

I have a Sierra Sapphire Cosworth which is at stage 2 (i think) it is running green injectors, boost increase but still on the standard turbo. The airbox is my problem as i have a cone filter ready to go and a mini filter to vent the breather pipe to atomsphere but i don't have a spot to reroute the amal valve but i have seen some people block different ports and they still work? I also have a 3dr Cosworth on a stage 3 but that's no help as it has had the amal valve mapped out, any advice or photos would be appreciated 






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