Stock BOV?? Question about TII's...
04-14-02, 12:36 PM
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Stock BOV?? Question about TII's...
I was just leafing through some For Sale ads here on the forum for some TII parts, and I noticed a guy was selling a number of parts, including a blitz BOV, and a stock BOV.
Stock BOV??? I wasn't aware that the TII's had one. All ther other parts were TII parts, but maybe this is from a 3rd gen, if they have them??
Just wondering, never heard of it before.
Stock BOV??? I wasn't aware that the TII's had one. All ther other parts were TII parts, but maybe this is from a 3rd gen, if they have them??
Just wondering, never heard of it before.
04-14-02, 12:46 PM
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It's actually a bypass, not blowoff valve. It bypasses the air to the TID rather than blowing it off into the atmosphere. The only real difference is that the bypass dosen't have a check valve on it. so by adding the check valve you can convert your bypass valve to a blowoff valve.
04-14-02, 01:46 PM
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Does it still function the same? eg- waste gasses when under vacuum?
What is the advantage of an aftermarket BOV over the stock setup? (Beside the sweet sound!)
What is the advantage of an aftermarket BOV over the stock setup? (Beside the sweet sound!)
04-14-02, 02:35 PM
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the stock BOV wont hold as much boost as an aftermarket one will. the stock bov will only hold about 9 psi. my blitz will hold something like 18 or 19 psi. not sure if thats the only reason to upgrade(probably isnt) but that is one reason to do so.
04-14-02, 05:27 PM
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Originally posted by dcamcoTII
It's actually a bypass, not blowoff valve. It bypasses the air to the TID rather than blowing it off into the atmosphere. The only real difference is that the bypass dosen't have a check valve on it. so by adding the check valve you can convert your bypass valve to a blowoff valve.
It's actually a bypass, not blowoff valve. It bypasses the air to the TID rather than blowing it off into the atmosphere. The only real difference is that the bypass dosen't have a check valve on it. so by adding the check valve you can convert your bypass valve to a blowoff valve.
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04-14-02, 05:58 PM
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Originally posted by NZConvertible
A "blow-off valve" is just the common use name for what Mazda calls an "air bypass valve".
A "blow-off valve" is just the common use name for what Mazda calls an "air bypass valve".
-Ted
04-14-02, 06:31 PM
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Originally posted by RETed
Actually, Mazda calls it a "compressor bypass valve"
Actually, Mazda calls it a "compressor bypass valve"
89 FSM, page F2-43, second paragraph, "Air Bypass Valve".
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