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Custom Exhaust- over or under?

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  • Exhaust: Custom Exhaust- over or under?

    Hi All- I am about to have an exhaust system custom bent for my right hand drive '61 Hawk (so buying one in isn't viable). Photos I have gleaned from the web show variations on the pipes going over or under the handbrake cables, although a post I have dug up courtesy of StudeRich states "On C & K Models Both pipes go UNDER the cable." I have sent off heap of photos to the contractor to view but in all honesty what is the best idea here? I will point out that the job is going to be fitted to a rolling chassis- no body on board but engine, auto trans, wheels, brakes, fuel tank, exhaust hangers etc, are all in place. I see a supercharged 63 Hawk on classic cars .com that shows the pipes above the cables but also appear to be fouling on 'em too. Hawks are low slung enough so I don't want to have ground clearance issues. So what's the best scenario here?
    Steve

  • #2
    The Problem is all we have here are Left Hand Drive!

    Click image for larger version

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    StudeRich
    Second Generation Stude Driver,
    Proud '54 Starliner Owner

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    • #3
      Hi Rich, thanks for the photo. There is no difference in the 'batwing' or auto trans crossmembers on RHD cars to US. We just use different engine mounting holes. Of course the Ross steering gear and handbrake assy are mounted on the right, so I expect the engine manifold pipes must be bent differently, but the rest of the pipes would be the same as US cars. It appears the cables run over the pipes in the photo and I'd wonder if floor clearance is the real issue? ( my 'cabin' is away getting rust repaired so I cannot readily check the floor for comparisons ). Can somebody confirm that notion?
      Steve

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      • #4
        Click image for larger version

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ID:	1724965The exhaust on my '62 runs under the e-brake cable. Also my left pipe runs under the wing; I think that was to clear the OD solenoid. It's some sort of replacement exhaust, and is rather poorly fitted. I should replace it; it fits even worse around my new overdrive automatic trans.
        sigpic

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        • #5
          Rick, (benzherb) the Left "Rear Exhaust Pipe" goes OVER the Crossmember, to fit a Factory correct Left Headpipe.

          Even if you cheap out and get an aftermarket Muffler Shop Exhaust System, it is always best to start with High Quality, fully welded Flange, Factory Original, Reproduction Head Pipes at Stude. Vendors, Parks Pipes or Silvertone Exhaust.

          With a Trans. Mod, you will need a Custom system for sure, or at least that Rear Exhaust Pipe anyway.
          StudeRich
          Second Generation Stude Driver,
          Proud '54 Starliner Owner

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          • #6
            Not much help Steve but I thought the cable crossing and touching either pipe or drive shaft was not good so I changed the whole thing.
            Click image for larger version

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            Allan
            Allan Tyler Melbourne Australia

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            • #7
              Originally posted by StudeRich View Post
              Rick, (benzherb) the Left "Rear Exhaust Pipe" goes OVER the Crossmember, to fit a Factory correct Left Headpipe.

              Even if you cheap out and get an aftermarket Muffler Shop Exhaust System, it is always best to start with High Quality, fully welded Flange, Factory Original, Reproduction Head Pipes at Stude. Vendors, Parks Pipes or Silvertone Exhaust.

              With a Trans. Mod, you will need a Custom system for sure, or at least that Rear Exhaust Pipe anyway.
              Thanks for that input Rich- You do see some exhaust pipes running under the Batwing (always thought they looked a bit low) here in Australia, so I'm glad I sought opinions. I have lodged photos and other information with a custom exhaust specialist and am awaiting his quote. I wanted as much factual info as I can get, so thanks for you guys helping out.
              Steve

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              • #8
                Hi Allan- thanks for this photo mate, it's a good one to send to the contractor. Ingenious use of cables and pulleys. Your commonsense solution is a credit to you !.
                Are those mufflers Lukey 63's 8"x4"x16" ? I'm hoping for a quiet exhaust BTW.
                Steve

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                • #9
                  Allen see you put in a drive shaft loop. Worth it's weight in gold. I had a drive shaft yoke break on a drag race car at about 124 mph and you will not believe the racket it makes as it beats it's self to death on a good strong loop. It did save my butt as it was right next to the shaft loop but it destroyed the shaft and even busted up the thin aluminum floor right behind the seat.

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                  • #10
                    Originally posted by StudeRich View Post
                    Rick, (benzherb) the Left "Rear Exhaust Pipe" goes OVER the Crossmember, to fit a Factory correct Left Headpipe.

                    Even if you cheap out and get an aftermarket Muffler Shop Exhaust System, it is always best to start with High Quality, fully welded Flange, Factory Original, Reproduction Head Pipes at Stude. Vendors, Parks Pipes or Silvertone Exhaust.

                    With a Trans. Mod, you will need a Custom system for sure, or at least that Rear Exhaust Pipe anyway.
                    I got my car with the exhaust running that way. The head pipes are fully welded to the manifold flanges. The car also came with a new full system, it too is made to go under the wing. I guess in years gone by it must have been a common replacement approach for premade pipes. The 4 piece system could easily be installed without dropping the wing; or anything else but the old exhaust.
                    sigpic

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                    • #11
                      Steve, I got the mufflers and a heap of mandrel bends (all 2") and tig welded the lot up. The exhaust shop said they are the mufflers they put om 302's.. Its nice and quiet but when pushed it barks nicely.
                      Swvalcon, The driveshaft loop is just part of the crossmember I made to support the ctr bearing. I have since made the loop a bolt together type. It would be silly not to incorporate a loop in it.
                      It now houses a constant velocity joint instead of a uni joint.
                      Click image for larger version

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                      Last edited by alpayed; 01-20-2019, 03:01 PM.
                      Allan Tyler Melbourne Australia

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