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  1. Marshalearp

    Increasing tie rod length - suspension upgrade

    Assuming you have a shop or somewhere to work, and a vice, simply go to your local metal supply and purchase two feet of 3/4" DOM tube 1/8" wall. Then purchase a 9/16" right hand tap, and a 9/16" left hand tap and make your own; whatever length you need. You'll spend about $ 50.00 or so, but you...
  2. Marshalearp

    Which SS springs do I have?

    Uhhhhhhh yes. That is what was designed into the leaf system. By increasing the loading on the left front you are proportionally increasing the loading on the right rear, which tends to cancel the torque reaction of the rear axle, as it attempts to bury the left rear and LIFT the right rear...
  3. Marshalearp

    Which SS springs do I have?

    You level the car by simply cranking up the driver's side torsion bar.
  4. Marshalearp

    front suspension

    Yikes !!!! This is scary stuff.
  5. Marshalearp

    Best Coilover IFS for '71 duster?

    Really great to hear some balanced, sensible, non-extreme/biased comments on this subject, and I agree 100% with 72bluNblu and replicaracer43. As for the "unibodies are junk" comment; I owned several A bodies brand new, all 340 powered, and for the day they were awesome. With just headers and...
  6. Marshalearp

    Best Coilover IFS for '71 duster?

    Funny thing. I didn't know there was an argument. I took it as more of just discussing the pros and cons of each, and maybe introducing something different.
  7. Marshalearp

    Best Coilover IFS for '71 duster?

    On a suspension system using unequal length control arms, the tie rod cannot parallel the lower control arm. The reason is, that as the suspension cycles through it's travel, the kingpin angle of inclination changes, relative to the lower ball joint. That in turn moves the OUTER tie rod pivot...
  8. Marshalearp

    Best Coilover IFS for '71 duster?

    Well, I have a ton of pictures on jump drives somewhere that I could dig up. I'm gone for a couple of months, but I'll maybe see what I actually have when I get back. I did lose a bunch of early pictures due to computer failure, but they were just mainly of moving the rear frame rails and so...
  9. Marshalearp

    Best Coilover IFS for '71 duster?

    I've never been much of a follower. Always taken the road less traveled and all that sort of thing.
  10. Marshalearp

    Best Coilover IFS for '71 duster?

    Steering hook up was simple enough, but I build my own headers, so you establish all the prioritized hardware, and then route the header accordingly. Ground clearance is good; the body of the r & p is 5/8" above the lower plane of the k member. The engine is a 6.1 Hemi crate motor. I built...
  11. Marshalearp

    Best Coilover IFS for '71 duster?

    Oh, there they are!
  12. Marshalearp

    Best Coilover IFS for '71 duster?

    HMMMM Not sure why the pictures didn't load.
  13. Marshalearp

    Best Coilover IFS for '71 duster?

    As I mentioned I am leaving in a few days and have around a million or so things that I have to do before I go, (I operate a couple of businesses) so there isn't much chance of getting any undercar shots for you. However, I was rummaging through some archived files and found a whole bunch of...
  14. Marshalearp

    Best Coilover IFS for '71 duster?

    I agree completely. I've never been able to understand the seemingly prevalent concept that "what I have is absolutely the last word, and everybody should do/have what I did or have". If I was building a drag car or any type of race car I would very likely have some sort of coil over deal in...
  15. Marshalearp

    Best Coilover IFS for '71 duster?

    For myself, I have always immensely enjoyed the engineering part of hot rodding. I look at the large picture, decide what I want to end up with, examine the feasibility of the exercise and make it happen Capn'. Actually, in this case I also wanted manual steering, plus I got an absolutely...
  16. Marshalearp

    Best Coilover IFS for '71 duster?

    Thanks for the advice, but I was not trying to "save" anybody from anything, least of all coil over suspensions. Personally, I have never much cared what anyone else does, or doesn't do, in any category. This conversation began as a response to Denny saying that in order to use a rear steer r &...
  17. Marshalearp

    Best Coilover IFS for '71 duster?

    Well, that's very true. That is why I said that I didn't want anyone to think this was a bolt-in deal, and certainly not for the average person. Nor am I advocating this design for anyone else, for that matter. I wanted to retain the stock suspension and components and would have kept some form...
  18. Marshalearp

    Best Coilover IFS for '71 duster?

    Rear steer. As I mentioned previously, these pieces were designed specifically for Ford not Mopar. They don't sell anything for non-Fords.
  19. Marshalearp

    Best Coilover IFS for '71 duster?

    Yes. Factory spindles, LCAs, etc. Ackerman is not upset because the outer pivot points/ball joints/steering arms are stock, and are not disturbed. These racks attach directly to the frame rails and the housing spans the full width between the rails. The pinion housing is at the extreme...
  20. Marshalearp

    Best Coilover IFS for '71 duster?

    That's exactly what I have on my Dart. I have .870 bars with the Hotchkis 1 1/2" front sway bar. Handles and rides very well, I think. Of course, I don't compete with the car, but I do quite a bit of "spirited" driving, and it seems to have very little body roll. It does tend to understeer...
  21. Marshalearp

    Best Coilover IFS for '71 duster?

    I'll take a couple of pictures for you. Have to get the car up in the air to show it properly of course. I'm leaving for Phoenix in a couple of days so it might have to wait until I get back. The rack is a Total Control Products piece. You can see it on their website. The rack uses a separate...
  22. Marshalearp

    Best Coilover IFS for '71 duster?

    Well, you are correct in that the geometry won't work with an "end takeoff" r & p. It does, however, work fine with a "mid takeoff" r & p because you can precisely duplicate the stock inner tie rod pivot point positions. In fact, you can optimize the pivot points to bring bump steer very close...
  23. Marshalearp

    Leaf spring bushing HELP please!

    Stengel Brothers sell every size and type of spring bushing there is, or ever was. You order by size; so just measure the length of bushing, the diameter, obviously, and the bolt size you want, and order up. Their prices are reasonable and service is good. I've used them for years...
  24. Marshalearp

    tubular lower control arms for coilovers

    I'm always mystified at comments like this inferring that stock Chrysler suspension components were "crap". These "crap" components have been documented as having routinely lived on the pot holed streets of New York city in taxi cabs for over 250,000 miles! I guarantee that no welded components...
  25. Marshalearp

    De Arching SS Springs

    Not all Canadians Lol
  26. Marshalearp

    S/S springs or CalTracks w/mono leaf???

    Super stock springs have been produced since late 1967 as they were designed specifically for the 1968 S/S HEMI Dart/Barracuda program; hence the name, Super Stock springs. Anyway, Cuda SRT8, I have followed your build with considerable interest. Your workmanship is first class. Actually, your...
  27. Marshalearp

    Unisteer rack and pinion

    Blown71Duster is correct in principle. Racks from aftermarket people like Unisteer are generally reworked OEM racks; Omni, Horizon etc for rear steer application. These racks have a lock to lock travel of 5.25 to 5.4 inches. The travel on your Mopar box measured at the pivot of the pitman arm is...
  28. Marshalearp

    Magnum Force front ends

    I truly sympathize. I had the misfortune of dealing with that guy years ago on a set of upper control arms. One of the arms was improperly made and I wanted a new set. He told me a line just like what you were told. I threw them in the garbage and have told everyone since what a liar and crook...
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