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1.5JZ Turbo Supra
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3,378 Posts
Discussion Starter #1
I know to fine tune the bov you have to back the screw all the way out and then tighten from there. Problem is when i try to tune my cousins car. He has no screw/nut back there. Does anyone know if i can get a replacement one from an auto store? What size it might be? Thanx
 

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256 Posts
Hmm.. remove the screw and bring it to the hardware store with you? It pulls out completely, doesn't it? I'm not sure I ever tried..
 

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ƒ=1/2π(√k/m)
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10,086 Posts
It's a 10 mm 5 point bolt aproximately 1.5" long, not sure of the pitch of the threads... but should screw out with ease.

Be careful not to lose the spring.
 

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1.5JZ Turbo Supra
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3,378 Posts
Discussion Starter #4
theres a spring behind the screw? my cousin backed the screw out too much n was driving around. when he wanted me to adjust it there was no screw there so it must of fell out. Now he gets compressor surge like crazy at low rpms and it does release but only at high rpms.
 
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