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  1. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I'm happy with it for sure. It'll be nice to get some extra HP with better headers and carb but it's a pretty nicely balanced package overall. I'm not looking for a significant power increase anytime soon, what I really need to spend money on is adjustable shocks, aftermarket upper control...
  2. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    It is, it's the 2-3 shift that could be better hence why I'm just going to put a proper shift kit in there. This isn't a drag car, it's built for road racing and autocross stuff so 3.55s are the shortest it'll get. I need to get the old 2.94:1 ring and pinion back into my old 741 case so I can...
  3. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I also made some new friends, met a couple of cool guys around my age with Dusters. I haven't been a fan of the 2-3 shift in the 904 since I moved to sea-level altitude and picked up a bunch of power. I did some DIY mods to the valve body a couple years ago which made a noticable difference...
  4. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Getting back here with a general update. I have a few hundred miles on the new front brakes and they're working great now that the pads are bedded in. I went to a Cars & Coffee event about a month ago held at Carolina Dragway and ran the car down the 1/4-mile for the first time since having...
  5. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Also a tip for anyone getting Doctor Diff calipers... They come powdercoated black which is nice but the coating is thick enough that the calipers won't sit into the brackets. I had to file down the coating on the edges to get them to fit properly. After a few hundred miles I'll probably...
  6. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Slow moving since the Southeastern heat has ramped up. My garage faces west so even after the sun goes down there's a ton of radiant heat inside, not to mention the temp doesn't drop much at night. I also don't like to leave the door open with the lights on or it'll get filled with critters...
  7. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Progress so far, splash shields and caliper brackets are mounted. I also switched the knuckles side-to-side to run the calipers on the rear (bought the kit for that configuration). I want more clearance to the aftermarket sway bar end links.
  8. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I debated back-and-forth between the factory-based brake kit and the Cobra-based one but after asking around on here I felt it wasn't worth the extra $400. Full kit laid out in my living room. These slotted rotors will hopefully cool down quicker and they'll definitely look sweet through my...
  9. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Decided to give another update here... I've been in Georgia since March of this year and this month finally got to the point where I can work on stuff in my garage. I still need to find/build a place to store my extra parts, engines, transmissions, tools and such as half the garage is taken up...
  10. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I think @72bluNblu is running 275-wide fronts on his car, I believe he's using thin (1/4" or less) wheel spacers on "standard"-offset wheels to make it work. I got my wheels from here: Home - I don't think they're actual legit OEM replacement wheels but the quality is good. Not as good as...
  11. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    No worries, happy to answer. I got some guidance from @72bluNblu on front tire size, they fit like gloves lol. No rubbing at all. I do have a touch of rubbing in the rear on the fenders with the 18x9" standard-offset Mustang wheels and 275/40ZR-18 Continentals even after folding over the...
  12. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Here's a link to the wheels I bought, you can read the specs there: Fits Ford Mustang Wheels - FR05B Mustang FR500 Rims - Black Mustang Rims Staggered And a pic I took recently... sits a tad low in the rear now that the springs have finally settled, I'm debating whether to drop down one more...
  13. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Another year gone by, better late than never? LOL... Not much to report besides finally getting around to building up my 489 case with 3.55 gears and rebuilt clutch-type Sure-Grip over the past couple months. It was hell getting the gears set up and after weeks of trial and error they're in...
  14. MopaR&D

    My Duster Adventures

    I had the same exact experience, also running mine on the stiffest setting after first trying the middle one. And it still won't oversteer unless I want it to.
  15. MopaR&D

    My Duster Adventures

    Congrats on the baby! I think I saw your FB post about it, love the pic of you and the little one with the pizza shirts that was pretty great. You might be spending a lot of money but it sounds like you'll be making some back on selling your farm too. I've had to put my automotive projects on...
  16. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Yes, still have maybe 1/2" clearance to the springs. The tires do rub a tad on the fender lips though even after rolling them (beating with a 1.5lb sledge lmao) as much as I could get the steel to bend. But it's not a lot, only occasionally when extreme cornering or hitting big bumps in the...
  17. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    They should be but I'd definitely check with Vlad to make sure.
  18. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Got my Doug's headers in the mail Friday, heck I could hang these up in my living room as a decoration lol they're almost too nice to put on a car. Really excited to get these in but I have other mods higher on the priority list currently. I bought these now because Autozone is having a 15%...
  19. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I don't typically take that approach, I only do it when a good deal comes up on a part I've wanted for a long time and I have some extra cash. I'm also attempting to buy up more expensive parts right now due to the current economic situation; between inflation, supply chain issues and materials...
  20. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I don't remember exactly it was a while ago at the track the last time I talked to him, I think at the time he was just putting it on hold and looking at another option like Dr. Diff.
  21. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    That wouldn't be the Vladimir guy by chance would it? I know a guy out here who bought some conversion parts from him for his Challenger (E-body not a new one lol) and they ended up not working, like they didn't fit... SRT Brembo calipers would be awesome though.
  22. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    It's really just the hubs and caliper brackets you need to convert iirc, the rest of the parts are just off-the-shelf late-model Mustang stuff...?
  23. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I have looked at getting the conversion kit from Dr. Diff to run modern Mustang brakes but the price is pretty high, they are very appealing though. One benefit of taking my time with this stuff, as time goes on I may have enough money to afford that conversion and can skip the 11.75" rotors...
  24. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I'm glad you posted, I need occasional reminders lol time flies. I will get some good pics of the car in its current state soon. Since last year I haven't done a ton of work to it, just been driving it and taking it to the track when I'm able. One mod was upgrading the rear leaf springs to...
  25. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    One tuning "mod" I did just a couple weeks ago was switching the vacuum advance from ported to manifold. The engine definitely likes it; it pulls harder from a stop with less throttle on light acceleration and runs a bit smoother, I could tell before when the throttle would close off the vacuum...
  26. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    After some researching on FABO I decided to go with some modern 18" Mustang wheels, 18x9 for the front and 18x10 for the rear. They are the "FR500" style and I purchased them new from OEWheelsLLC.com. One thing that drives me nuts about the current wheel/tire setup is the rears don't have...
  27. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Holy cow didn't realize it's been almost a year since my last post! I've mostly just been enjoying the Duster, driving the heck out of it and last summer did my first few time-attack events at Pikes Peak Int'l Raceway. I'm totally hooked and my focus has shifted entirely to making the car...
  28. MopaR&D

    Dartin for Divorce

    You should be using the nuts that hold the cable to the bracket to adjust it instead of the screw at the end of the cable, that thing is getting destroyed (I made the same mistake a few times before figuring it out lol). I have the Lokar throttle and kickdown cable setup on my Duster and...
  29. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    I also swapped the driver side motor mount for a solid, the engine doesn't move at all anymore lol. I put a big rubber washer between the engine bracket and "biscuit" to hopefully prevent any stress cracking in the block or K-member (I know it's not likely but I read a couple horror stories on...
  30. MopaR&D

    1970 Duster, Trans-Am-inspired "Pro Touring" build

    Car was down for a few weeks because of a broken motor mount... I was running the incorrect fan with not enough clearance and it smacked the radiator top tank and cut a big gash into the core. Got the new radiator in with a shorter fan clutch and correct A-body-size fan and been commuting to...
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