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How close is too close to the CV boot?

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    How close is too close to the CV boot?

    Just ran the s52 2.5in exhaust, noticing that is pretty close to the CV boot when lifted...granted it will move up when it is lowered.

    Too close? Good enough?


    555Garage - Kingston, PA

    '13 BMW e70 X5 35d
    '95 BMW e34 525i
    '92 BMW e30 325i S52 Vert (Quade the Vert)
    '92 Range Rover Classic
    '90 Range Rover Classic
    '89 BMW e30 325i Coupe (The DIRTY30)
    '81 VW MK1 Rabbit Caddy Diesel
    '76 Honda CB550K Cafe/Brat
    '67 Pontiac LeMans
    '24 Model T Depot Hack
    ....And a bunch of Motobecane, Puch, Garelli, Batavus and Honda 49cc-78cc Mopeds...


    #2
    If it melts the boot, it's too close. If it doesn't you're alright...

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      #3
      For me, that would be too close. The exhaust won't be too terribly hot that far back but It doesn't take melting for the heat to be too much, all it needs to do is cause the rubber to deteriorate and harden. I would wrap that section in header wrap to reduce the amount of radiant heat.

      IG @turbovarg
      '91 318is, M20 turbo
      [CoTM: 4-18]
      '94 525iT slicktop, M50B30 + S362SX-E, 600WHP DD or bust
      - updated 1-26

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        #4
        Awesome- thanks guys....it's one of those things I just needed a second opinion on
        555Garage - Kingston, PA

        '13 BMW e70 X5 35d
        '95 BMW e34 525i
        '92 BMW e30 325i S52 Vert (Quade the Vert)
        '92 Range Rover Classic
        '90 Range Rover Classic
        '89 BMW e30 325i Coupe (The DIRTY30)
        '81 VW MK1 Rabbit Caddy Diesel
        '76 Honda CB550K Cafe/Brat
        '67 Pontiac LeMans
        '24 Model T Depot Hack
        ....And a bunch of Motobecane, Puch, Garelli, Batavus and Honda 49cc-78cc Mopeds...

        Comment


          #5
          Originally posted by Razor1981 View Post
          If it melts the boot, it's too close. If it doesn't you're alright...
          Originally posted by wholepailofwater
          Q
          :devil:


          WTB: Dove Grey e36 Front Door Panels (2 door)

          Comment


            #6
            Dunno if you did anything, OP, but you could use a heat shield or wrap the area in header wrap which is cheap and easily found.

            However, while you're driving, you'll have heat loss on your exhaust due to convection as the air passes over the surface. It probably wouldn't have enough radiant heat all the way at your CV joint to melt the rubber.

            I checked my pipe temp once before and after driving around all day it was only around 150 degrees F. However, if you're tracking your car, then it may be higher.
            P.O.S 1989 325is - aka Project Sh*tbox

            Project Shitbox - Restomod and other stuff - soon to be 328is

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