1. Attachments are working again! Check out this thread for more details and to report any other bugs.

BT Chassis Plate.

Discussion in 'Gen 2 Prius Technical Discussion' started by ronhowell, Nov 8, 2007.

  1. ronhowell

    ronhowell Active Member

    Joined:
    Oct 4, 2007
    681
    32
    0
    Location:
    Cypress, CA.
    Vehicle:
    2008 Prius
    Hi All,

    What's with the BT Chassis Plate retrofit? I notice a number of long time Prius owners have installed it, but does it confer any noticeable benefit? And if it does, why didn't Toyota make the chassis stiffer to begin with, since it seems like a design flaw otherwise!

    Just asking.

    Ron.
     
  2. apriusfan

    apriusfan New Member

    Joined:
    Apr 8, 2007
    6,050
    205
    0
    Location:
    S.F. Bay Area
    Vehicle:
    2007 Prius
    <div class='quotetop'>QUOTE(Ron Howell @ Nov 7 2007, 09:49 PM) [snapback]536595[/snapback]</div>
    You might try checking the BT Chassis Plate thread in the Modifications forum.
     
  3. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

    Joined:
    Apr 13, 2004
    15,140
    611
    0
    Location:
    South Puget Sound, WA
    Vehicle:
    2013 Nissan LEAF
    Model:
    Persona
    heck i do it, because it gives me peace of mind... in fact... did it twice.

    only an opinion mind you. no scientific evidence what so ever to back my statement.

    if you are wondering about this post, read the tennis match volley of posts about the usefulness of the plate and make your own conclusions.
     
  4. Boo

    Boo Boola Boola Member

    Joined:
    Feb 13, 2007
    5,051
    483
    97
    Location:
    Flushing, NY
    Vehicle:
    2007 Prius
    Model:
    N/A
  5. Winston

    Winston Member

    Joined:
    May 19, 2007
    614
    20
    0
    Location:
    SF Bay Area, California
    Vehicle:
    2007 Prius
    I personally cant imagine the stiffening plate doing much. However, if it did I would not consider the original plate to have a design flaw. People add items to stiffen the chassis and/or suspension all the time.

    -Strut tower stiffening bar
    -stronger lighter suspension components
    -etc.

    It is a matter of cost, weight, design requirements.
     
  6. ronhowell

    ronhowell Active Member

    Joined:
    Oct 4, 2007
    681
    32
    0
    Location:
    Cypress, CA.
    Vehicle:
    2008 Prius
    <div class='quotetop'>QUOTE(Winston @ Nov 8 2007, 01:34 PM) [snapback]536888[/snapback]</div>
    True enough, Winston. The world of engineering is one of compromises in all directions, but with an ultimate objective of obtaining a balanced design within the constraint parameters you mentioned.

    I do agree with you and Tom, however; I can't imagine the BT chassis plate doing much. I could think of better things to spend the money on.

    Ron.
     
  7. Boo

    Boo Boola Boola Member

    Joined:
    Feb 13, 2007
    5,051
    483
    97
    Location:
    Flushing, NY
    Vehicle:
    2007 Prius
    Model:
    N/A
    <div class='quotetop'>QUOTE(Ron Howell @ Nov 8 2007, 05:34 PM) [snapback]536912[/snapback]</div>
    For me, I was so appalled by the standard Prius' handling, that I gladly risked $169 to try out the plate. As it turns out, I like the plate and would buy it again. I notice especially that the car seems more stable at highway speeds. If you'd like to try it without out-of-pocket cost to you, why not put it on your Christmas List? Beats getting ties and sweaters you don't like or might never wear.
     
  8. IsrAmeriPrius

    IsrAmeriPrius Progressive Member

    Joined:
    May 27, 2004
    4,333
    7
    0
    Location:
    Southern California
    Vehicle:
    2005 Prius
    <div class='quotetop'>QUOTE(Ron Howell @ Nov 7 2007, 09:49 PM) [snapback]536595[/snapback]</div>
    <div class='quotetop'>QUOTE(Ron Howell @ Nov 8 2007, 02:34 PM) [snapback]536912[/snapback]</div>
    Why was I not surprised to see it coming?
     
  9. tigerider

    tigerider New Member

    Joined:
    Jan 23, 2007
    8
    0
    0
    Location:
    Torrance, CA.
    <div class='quotetop'>QUOTE(Ron Howell @ Nov 8 2007, 02:34 PM) [snapback]536912[/snapback]</div>
    Sorry, I have to disagree, This is the first thing I would add if were buying again.
    I put the plate on and immediately noticed a difference in cornering, seams in the road no longer redirect the car, (greatly minimized) and the steering seems a lot more positive. The only bummer it I didn't find out about it till the second year.
    It's like adding a rear anti-sway bar. and it was easy, took about 1/2 hr. The bolts even had factory
    anti-corosion goo already on them.
    For what it looks like .... it seems expensive
    For what it does... it cheap !

    With expense being the only downside - Toyota should adopt this.
     
  10. Winston

    Winston Member

    Joined:
    May 19, 2007
    614
    20
    0
    Location:
    SF Bay Area, California
    Vehicle:
    2007 Prius
    I would love to see a test like this. Maybe at a Hybrid fest.

    Find a guy with a stock Prius that has a stiffening plate and who thinks it helps the cars handling a lot.

    Find two other Prii. One with the plate, and the other without. Then let the guy drive the cars and try and figure out which has the stiffening plate.
     
  11. mingoglia

    mingoglia Member

    Joined:
    Oct 25, 2007
    846
    10
    0
    Location:
    Gilbert, AZ
    Vehicle:
    2008 Prius
    I bought my stiffening plate late last night. I figured what the heck, I'll give it a try and see what it's all about. I thought about fabricating one myself, but for the money it really wasn't worth it to me.

    I've owned many performance cars and the handling of the Prius honestly hasn't bothered me (I've had it for 13 days now). I think it hasn't bothered me because I've just accepted that it's great at doing what it was designed to do... that is be a great commuter car that's very roomy on the inside and gets great fuel economy. I suppose though I still have a performance car I can drive on weekends and if this was my only vehicle perhaps it would bother me more. Regardless, I'll give it a try. :)
     
  12. ronhowell

    ronhowell Active Member

    Joined:
    Oct 4, 2007
    681
    32
    0
    Location:
    Cypress, CA.
    Vehicle:
    2008 Prius
    <div class='quotetop'>QUOTE(mingoglia @ Nov 9 2007, 07:59 AM) [snapback]537254[/snapback]</div>
    BT Tech must love this dialogue!!