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Thread: Bypass Valves! Want one? Easiest places to find them!

  1. #1
    Senior SCH Member
    Join Date
    Feb 2003
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    206

    Bypass Valves! Want one? Easiest places to find them!

    I found a great link for those looking for the Bosch Bypass Valves.

    Bosch Bypass Valves FAQ

    It's actually a Supra Owners Group FAQ, but it has ALL of the information on the Bosch units. They even include the Porsche Bosch BV info and these supposedly can handle 16psi and above.

  2. #2
    SCH Moderator 5150 LX's Avatar
    Join Date
    Dec 2002
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    Great link!!

    Keep in mind though that the following part numbers for the Bosch bypass valves are in order relative to their ability to manage boost pressure (from low to high)

    Bosch: #0 280 142 103

    Bosch: #0 280 142 108

    Bosch: #0 280 142 110

    The 103 valve runs about $20-25, and the 108 & 110 run around $40
    Quote Originally Posted by Kato Engineering
    you just like the metric system because when you talk about your organs length, a three digit number seems to you longer than a one digit number....
    Dart Block 331 and No Power Adder, currently in pieces...... :weird:

    Used to run 6.90 @ 100.4 mph in the 1/8th

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