Tti

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It is interesting how everyone is reporting different fit issues. That may be due to the model year of the car, specifically the steering center link and pitman arm, and the k-member.
Mine was a 1975 Dart sport with six cylinder k-member modified on left side for Schumacher conversion mounts, and if I recall correctly it had the steering center link that takes a pitman arm with the stud pointing down, same as the one in post 19 on AndyF's car. You can see the other style in the last picture of post 3 by Dragonsteel, where the pitman arm loops down under the center link and the stud faces up.

I ended up modifying one tube on driver side to clear the pitman arm. I cut it out and moved up one bend instead of dinging it. The pitman arm was contacting it, but not really bad.
Both before and after the header was modified I was able to remove and install them by disconnecting the engine mount from k-frame and then raising and tilting the engine toward right side. Left side header went in the from the bottom, but the starter has to go in and out with the header.

I think there was a change by TTI at some point, because I remember seeing a picture of AndyF's headers in his build thread and his right side was shaped a little different than my right side.
 
The headers are basically impossible to install or remove with the K frame in the car so be prepared to pull the K frame to change the starter. I bolted the engine all together and installed it from below. I tried installing the headers with the K frame in place and it just wasn't going to happen.
View attachment 1715594252 View attachment 1715594253 View attachment 1715594254
With the short tube headers you can remove the starter without too much trouble as I had to do it when I changed transmissions.
 
It is interesting how everyone is reporting different fit issues. That may be due to the model year of the car, specifically the steering center link and pitman arm, and the k-member.
Mine was a 1975 Dart sport with six cylinder k-member modified on left side for Schumacher conversion mounts, and if I recall correctly it had the steering center link that takes a pitman arm with the stud pointing down, same as the one in post 19 on AndyF's car. You can see the other style in the last picture of post 3 by Dragonsteel, where the pitman arm loops down under the center link and the stud faces up.

I ended up modifying one tube on driver side to clear the pitman arm. I cut it out and moved up one bend instead of dinging it. The pitman arm was contacting it, but not really bad.
Both before and after the header was modified I was able to remove and install them by disconnecting the engine mount from k-frame and then raising and tilting the engine toward right side. Left side header went in the from the bottom, but the starter has to go in and out with the header.

I think there was a change by TTI at some point, because I remember seeing a picture of AndyF's headers in his build thread and his right side was shaped a little different than my right side.
I think some fitment issues could a result of the engine not being level on the motor mounts, which might be why I had tap in the 2.5" extension tube on the driver's side of my 71' Dart.
 
I have a 440 based engine in my 67 Barracuda. 2" tubes and they are a real Pain in the *** to put on. I have a total of 12 hours invested and they are on now. If this motor ever gives up I will ditch the big block and put a LS with turbos in it's place. Never will fight headers like this again. Have to #4 plug in before #2
 
I have a 440 based engine in my 67 Barracuda. 2" tubes and they are a real Pain in the *** to put on. I have a total of 12 hours invested and they are on now. If this motor ever gives up I will ditch the big block and put a LS with turbos in it's place. Never will fight headers like this again. Have to #4 plug in before #2
A Chevy engine in a Mopar?
 
I have 2 inch COPA headers in my 74 duster. The fit pretty good. The drivers side was a real pain with the starter and the thru bolt for the motor mount. Kim
 
I have a 440 based engine in my 67 Barracuda. 2" tubes and they are a real Pain in the *** to put on. I have a total of 12 hours invested and they are on now. If this motor ever gives up I will ditch the big block and put a LS with turbos in it's place. Never will fight headers like this again. Have to #4 plug in before #2
When my 440 gets tired it's being replaced by a late 60s 426 Hemi with aluminum heads. No spark plug issues whatsoever then.
 
Well if the people who do the wiring modifications for the new hemi would not rip everyone off I would do one of them. LS harnesses is only $300 and the hemi $2000
I'm sticking to the old Hemi. No wiring issues at all. Some of the old style Hemi crate engines make some decent power and it's all naturally inducted. No power adders. Nothing like an old style Hemi with a 4 speed behind it. I'll also be adding a Jerico 4 speed when I drop the Hemi in it.
 
I have a 73 and 75 duster that each have had RB engines with TTI headers. My 73 I had the 1 3/4" headers and things were snug, but manageable. The 75 duster is a race car so I have the inner fenders removed and bars going from my cage to the front frame rails. I had 2" headers on it and it was TIGHT in alot of places. Once they were bolted fast everything fit well and cleared everything. Working with them was a not a pleasure. I ended up putting a small block back in my 73 so used the 1 3/4" headers on my race car and sold the 2" ones. I also had to change the head gaskets on the engine in my 73 when it had the 1 3/4" headers. Ended up having to change both sides but at different times. Was doable, just gotta know how to wrench...
 
I'm sticking to the old Hemi. No wiring issues at all. Some of the old style Hemi crate engines make some decent power and it's all naturally inducted. No power adders. Nothing like an old style Hemi with a 4 speed behind it. I'll also be adding a Jerico 4 speed when I drop the Hemi in it.
Yep been there... Would have to cut my car to much for it so I yanked this back out.. All aluminum.. block heads all of it.
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