TTI headers too close to the passenger side torsion bar

Mopar Exhaust Systems

  1. themechanic

    themechanic Oklahoma is OK FBBO Gold Member

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    I saw the chart on TTIs web page. How the heck do you measure the center of the crank with the transmission installed?

    I may call Schumacher, Classic Industries and a few others to see when the shim packs will be available to order.
     
  2. Fran Blacker

    Fran Blacker FBBO Gold Member FBBO Gold Member

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    My double gasket idea dumb on a wedge. Thinking Hemis it would work on them.
     
    Last edited: Jan 24, 2020
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    • POMONAMISSEL

      POMONAMISSEL Well-Known Member

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      just bend those tubes away from the bar a bit . i've had to do that several times with header installs . just need some leverage . a long flat tipped bar and a jack would fix that rub issue . a digger bar works wonders . remember that those tubes were bent into the shape there in .
       
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      • NSS Guy

        NSS Guy Well-Known Member

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        What are "mity mounts" are they different than stock mounts? looks like the motor is sitting too high, also could be the rear transmission mount raising motor and tranny up causing bar to hit the headers. just a thought
         
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        • 493 Mike

          493 Mike FBBO Gold Member FBBO Gold Member

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          Pull the street hookups off and stick a "Johnson bar" in the collector and bend the direction needed for clearance. Mine on my 65 were nowhere close to the trans crossmember cutouts so I "adjusted" them. I got close and welded bends to correct.
          Mike
           
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          • hunt2elk

            hunt2elk FBBO Gold Member FBBO Gold Member

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            If you loosen up the 2 trans mounting bolts and the 2 motor mount to k-frame bolts, you can shift the motor a bit with a big prybar. I bet you will get enough clearance.
             
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            • Runner 68

              Runner 68 Tarnished Bronze Member FBBO Gold Member

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              Agree, get in there and "tweak" that fucker. Maybe loosen the bolts to the head when you tweak then have a buddy up top crank them down. All you need is an extra 1/8 inch or so.
               
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              • steve817

                steve817 Well-Known Member

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                1st: loosen the two big engine to K-frame mount bolts and see if there is just a tiny bit of adjustment in there. If not.....
                2nd: loosen the engine mounts on the engine and see if you can gain just a bit of movement. If not....
                3rd: Make sure engine is setting close to specs in the K-member. You should measure close to 5 1/4 inches from center of crankshaft to top of K-member. If this looks good....
                4th: Last but not least....you may have to "clearance" the new TTI headers. (Last resort please)!
                 
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                • kiwigtx

                  kiwigtx International Mod Staff Member FBBO Gold Member

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                  Turning it now will put your alignment out....that's a difference.
                   
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                  • road chicken

                    road chicken Well-Known Member

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                    The lca shouldn't affect it at all. I would loosen up the trans and engine mounts and see if it will rotate a little bit ccw as seen from the front. It might have stuck a little higher on the passenger side. There's some play but not much. Then slide the tailshaft over. If that doesn't work or you get a driveshaft vibration, a little tweaking with prybar might be appropriate.
                    If the Mity mounts are the issue, ( https://forum.e-bodies.org/engine-t.../anyone-else-using-dynatechs-mitymounts/2481/ ) Check out Brewster's Performance. They have fail safe polyloc's that are IMHO better than the welded screws and are stock thickness. If they carry them for your application. Ihave the Schumacher version of the Mity mounts and will be swapping to the Brewster's in spring.
                     
                    Last edited: Jan 24, 2020
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                    • Daves69

                      Daves69 Well-Known Member

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                      Can't you determine center off the crank pulley?
                      upload_2020-1-24_10-24-16.png
                       
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                      • themechanic

                        themechanic Oklahoma is OK FBBO Gold Member

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                        As for measuring the engine location, I did not think of that @Daves69 . Anyway, it is moot at this point as all I need is to move things about 1/8" to solve the problem.

                        I'll try loosening the engine mounts and shifting the engine first. If that doesn't work I'll try bending the header.

                        Thanks for all the suggestions. I'll be back with an update.
                         
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                        • themechanic

                          themechanic Oklahoma is OK FBBO Gold Member

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                          https://mitymounts.com/howtheywork.htm
                           
                        • Cranky

                          Cranky Banned Staff Member FBBO Gold Member

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                          Lots of good ideas here. Alignment or changing the ride height shouldn't have anything to do with how close your headers are to the TB.....unless there's something bad wrong with the chassis. Also, minor adjustments in ride height doesn't adversely affect alignment and I'm talking about minor adjustments. Someone thinking that raising the front end 2+" is minor needs their head adjusted or maybe even both of them :D. If you're still using stock alignment specs and running radial tires, it isn't right anyways. My first try would be to 'adjust' the header using a bar. TTI's seem to use a thicker tube?? The set I have are pretty heavy....and might be a bit hard to move. 2nd choice would be to try and clock the engine a hair. Might check to see if the engine is level to start with. Also, is the TB straight? I've seen plenty that weren't. If you put one on V-blocks and then rotate it, I bet it's not all that true and if it could be indexed in the sockets, you might get the clearance you need. I know, you said you didn't want to pull it and I don't blame you for that! :)
                           
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                          • road chicken

                            road chicken Well-Known Member

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                            Take a look at that short article. It shows the Mity mounts vs stock. Was that what you saw or were yours the same thickness? Just curious.
                             
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                            • POMONAMISSEL

                              POMONAMISSEL Well-Known Member

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                              there you go just bend them a bit , 1/8 is good clearance . as your mounts compress clearance will get better .
                               
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                              • themechanic

                                themechanic Oklahoma is OK FBBO Gold Member

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                                I think they were the same except for the bolt had to be trimmed like the E body article said. I may get some oem mounts to see if they are thinner.
                                 
                              • themechanic

                                themechanic Oklahoma is OK FBBO Gold Member

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                                I loosened the mount bolts and pried the header over and down then tightened the bolts. No change.

                                I'll have to see about the stock mount vs the Mity Mount on the passenger's side.
                                 
                              • NSS Guy

                                NSS Guy Well-Known Member

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                                call tti and tell them your problem, if it's common or happened before they can help. don't pry or dent the headers, I'm sure they can resolve your problem
                                 
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                                • Runner 68

                                  Runner 68 Tarnished Bronze Member FBBO Gold Member

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                                  Right.
                                  The members of FBBO just solved the problem above far quicker than TTI ever would.
                                  It's not that complicated.
                                  TTI and Doug's are about as good as you can get, but they're never perfect, like any aftermarket part.
                                  Tweak that fucker.
                                   
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