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I have TTI 1 7/8 on my 69 Swinger and they fit fine . Might want to try a combination of thin and thick motor mount isolaters ? Call tti and ask them . If that doesn’t work find an exhaust shop near you that can tweek and install them .

I know I took detailed pictures but can’t find them now. Any body else have pictures disappearing from their phone ? I have hundreds of blank white squares where pics used to be in my library ?

We are lucky to have a good exhaust shop still . I took them a Summit 3” kit for my 69 Swinger and they modified/installed it for what I consider really cheap ! And it fits fabulously ! I think it ran $300 labor back in 2019 . I was so impressed that I brought my 68 Barracuda back to them ...

Do you have a crossover?

I did the same as @4spragtop and got TTi headers and Summit 3” exhaust kit . Then had a local shop tweek the system . Looks f*cking incredible ! And they only charged me $300. Now this a W2 headed 408 wirh solid roller so 2.5” should be more than enough for your engine . Don’t sweat the...

And it’s all TIG welded

I bought a Summit 3” kit for my Swinger. Fit like **** so I brought it into Boise Muffler and they made it fit like glove and added a crossover for $300 ! Owner is a GTO fanatic and they do a lot of custom work . Couldn’t be happier !

I have run both TTI and Tubular Automotive 1 7/8 headers . Both fit well . Call and ask them about fit with power steering . Or convert to manual steering.

I bought a 3” kit from Summit and had a local shop use parts to make a system . Came out really nice ! I was amazed .

I ran a set on my first W2 engine . Herb McCandless told me about them . In fact I think he ordered them for me .

Dougs 1 5/8 on my 68 Fastback with A/T , power steering and breaks . TTI 1 7/8 on my 69 340 4 sp Swinger with manuel brakes and steering . Both fit great ! If you drop the body on the engine/trany / k-member assembly like the factory they all fit better . And try truck isolators in some...

Tubular Automotive Headers

I went with a poly mount with was a bit taller . But you could just shim your existing one . You can also use truck isolators ( rubber mounts) which are taller than the car ones . But it looks like you could just get away with dimpling the header using a 3/4 + deep socket and grinding the...

I also dimpled the tube a tiny bit and used a die grinder with a red scotchbite on the offending tierod/ pitman/ idler arm . Just a small amount in each area will give you more than enough clearance .

Taller trany mount .

Not saying this is the case but I wonder how many droning issues are caused by an impropper tune ? My car was really loud at cruise until I got the timing and jetting dialed in .

Is this for a street car ? I ran Tubular W2 headers on my 73 Sport and they werent all that low .... my current 1 7/8 TTi's sit a little tighter to the chassis but not much . And its seems I remember the Tubulars being 2" primaries but I could be wrong .

My fastback is super sweet at all speeds windows open or closed . Dougs headers and 2 1/2 all the way back. The Dart with 3" is another story but I think I can tune some of that out .

I am reinstalling my engine today with 1 7/8 TTI headers . Manual steering and brakes. Pretty easy install . Of course I install engines from the bottom ....

Yes but I wouldnt think that would change the lower part of the header. I have changed a pan gasket and it was a Biotch ! Snug fit .

Pretty tight on driverside of my 408 with a Kevco pan. And it has no kickout . My TTi's are W2s so maybe they are different ?

Did you get my PM ?

Nice headers. Used them on a W2 motor in the 90s

I did not know that Trac-Pac cars came with Crossovers...

No .... base Swinger 340 4sp car. Painted top , driver adjustable mirror and tinted front glass are the only options.

Yes Mild 360 in Barracuda . 222/229 on 112 with .550 ish lift IMM EQ heads RPM intake Dart is a W2 408 246/250 .648 lift on 108 Victor intake.

I have Dougs on my 68 Barracuda with power steering and they are great . TTi 1 7/8 on my Dart with 4sp and manual brakes . They fit fine as well. Both are great headers but you will save money on the Dougs.

I am running TTI 1 7/8 on my W2 408 in the Dart . They fit well also.

They work and fit great . At least they did in my Barracuda. Remember that you can mix and match engine mounts to get more clearance where needed ... at least you can on the older pre spool mounts.

That was 1996.... can't say they atill do . Herb McCandless turned me onto them and Norris rocker Arms. Nice guy ...