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Difference in bypass valves?
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Thread: Difference in bypass valves?

  1. 12-06-2004, 12:55 PM #1
    NothinButNotch
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    Difference in bypass valves?

    Does anyone know what the difference is in the Bosch bypass valves with part numbers:

    -0 280 142 108
    -0 280 142 110

    I can only find the 110. Just want to make sure there isnt a boost restriction or something on one versus the other. I have read that people on here have used both but I'm just curious before I order one. Thanks, Ryan
    1991 Notchback
    Stock 80K mi. short block, Twisted Wedge Heads w/ upgraded valve springs, Crane 2030 cam, Edel. Performer Intake, Accufab 65mm TB, full exhaust w/ LT's, "built" AOD w/ 2600-2800 stall, Novi 1000, 8" crank pulley, Powerpipe, 42# inj, 255 lph, full MSD ignition etc etc.
    Best ET: 11.0006 (so close!) @ 124.86 mph (1.59 60ft)

    2000 Lightning
    FTVB, 2" rear drop, and a JLP CAI!
    Best ET: 13.39 @ 102.8 mph (2.04 60ft)
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  2. 12-06-2004, 02:54 PM #2
    fanglemeister
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    That looks good. There's a part # for the Porsche part that can hold a few extra psi before leaking, but it might be obsolete at this point. They are bascially all the same in that series.
    Chris
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  3. 12-06-2004, 03:28 PM #3
    5150 LX
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    From everything that I have run across, the 110 is the better of the two. You're good to go.
    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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  4. 12-06-2004, 03:53 PM #4
    NothinButNotch
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    Thanks guys. Its on the way!
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  5. 12-07-2004, 03:23 AM #5
    PNY PWR
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    I read up and found the 110 is supposed to be the better one. That's what I have.

    If I could, do I have it mounted correctly?

    1990 LX 5.0 5spd
    2 belt Novi 1000 stock pullied, stock motor, 19# injectors, 12:1 FMU, 155lph fuel pump, Autolite 23's @.037, A9P pcm, Kirban AFPR, electric fan, PPI 180* t-stat, 3 row radiator, 2.5" off road h-pipe, 40 series Flows dumped, 3.73 gears, weld in SFC's, FRPP alum. driveshaft w/ Jeg's loop
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  6. 12-07-2004, 07:45 AM #6
    5150 LX
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    Yup you have it orientated correctly, as long as the nipple for the vacuum is in line with the discharge tube and NOT perpendicular you are good to go......
    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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  7. 12-07-2004, 01:07 PM #7
    PNY PWR
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    Thanks 5150, you're a lifesaver
    1990 LX 5.0 5spd
    2 belt Novi 1000 stock pullied, stock motor, 19# injectors, 12:1 FMU, 155lph fuel pump, Autolite 23's @.037, A9P pcm, Kirban AFPR, electric fan, PPI 180* t-stat, 3 row radiator, 2.5" off road h-pipe, 40 series Flows dumped, 3.73 gears, weld in SFC's, FRPP alum. driveshaft w/ Jeg's loop
    http://aircapitalmustangs.com
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