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rb25det noise?
hey guys i have an rb in my s13. the dam thing runs amazing. i have it on 7 pounds and the only upgrades it has is a greddy timing belt, fmic and exhaust. well it makes a whining noise when idling. but when you rev it up it goes away. also it goes away as soon as you pull the oil cap off. My friends and i think its the pcv valve but before i buy one im wanting to get a couple of extra opinions. thanks for any help guys
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RB POWA!!!!!!!!
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