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  1. FJRdoc

    What's a good coating for exhaust manifolds???

    Ceramic coating is available in cast iron finish.
  2. FJRdoc

    What's a good coating for exhaust manifolds???

    I had my manifolds ceramic coated. I've been very pleased with how it holds up. Unfortunately, you would have to remove them for blasting and coating.
  3. FJRdoc

    stainless steel exhaust options

    Waldron's made a complete stainless steel exhaust system for my 1970 Duster 340.
  4. FJRdoc

    1970 DUSTER 340 FACTORY EXHAUST END CUTS w/o TIPS???

    1970 Duster 340's did not come from the factory with exhaust tips.....they were not an option. They all would have the turn down exhaust pipes as show on the blue car above.
  5. FJRdoc

    273 Commando Exhaust Question

    Thanks for the clarification.
  6. FJRdoc

    273 Commando Exhaust Question

    We've started working on restoring my brother's 1967 Barracuda notch. His car is a 273 2 barrel. He wants to upgrade to the Super Commando exhaust system. I was wondering if any of my FABO brothers could help us with pictures and measurements of the rectangular valence cut out for the exhaust...
  7. FJRdoc

    1967 Hi-Po Exhaust System

    My brother and I have started on restoring his 1967 Barracuda 273. He has been thinking switching over to the 273 hi-po exhaust system. The rear valence will need to be changed from the single exhaust cut-out to the rectangular hi-po cut-out. I would be obliged if someone could post pics with...
  8. FJRdoc

    Heat Riser Removal??? ... 68-70 340 HP Manifold

    I had to cut my flapper off of the shaft before I could remove the counterweight and shaft.
  9. FJRdoc

    Heat Riser Removal??? ... 68-70 340 HP Manifold

    That rattling is very annoying. I figured I'd gain another horsepower or 2 by removing exhaust turbelence caused by the retained flapper :D
  10. FJRdoc

    Heat Riser Removal??? ... 68-70 340 HP Manifold

    On my car, I decided to remove the heat riser flap but maintain the counterweight externally for original appearance. You will need to cut the welds on the internal flapper in order to slide the shaft and counterweight out. I simply replaced the shaft and welded it on the inside of the manifold...
  11. FJRdoc

    Heat Riser Removal??? ... 68-70 340 HP Manifold

    Do you want to remove the heat riser permanently or remove it for repair/ replacement?
  12. FJRdoc

    factory 340 muffler size?

    I have the same question about the crushed corner. I always thought that it was for drive shaft clearance but I've seen pictures of restored cars with the crush on the outside.
  13. FJRdoc

    Exhaust

    Thanks for the positive feedback retractable. I pretty much have decided to go with a Waldon stainless steel system for my dual exhaust application. I hate to do exhaust work!
  14. FJRdoc

    Exhaust

    Please keep us posted if you purchase from them. I posted a question some time back about feedback and never got a response from anyone.
  15. FJRdoc

    Exhaust

    I read through the Waldron site. They produce a Duster stainless system with 14 gauge T409. Is that suitable SS for exhaust components?
  16. FJRdoc

    Exhaust

    Who makes replacement stainless steel exhaust systems for A-bodies that are the same size as OEM. I see that Waldron's lists systems for Mopars.....anybody heard news good or bad about them? http://waldronexhaust.com/
  17. FJRdoc

    heat riser stuck open, leave? remove? or fix?

    Even after rebuilding my 340 heat riser many years ago, it rattled and drove me crazy. When it came time to restore my exhaust manifolds, I debated about repairing it again or just remove it. Rebuild kits for 340's are expensive and I believe that the 273 rebuild kits are also expensive and...
  18. FJRdoc

    Exhaust Hanger Bracket on Floor Pan Question

    Here's a picture of the factory floor pan bracket on the passenger side of my 1970 Duster 340. I'm sorry that the contrast isn't very good.
  19. FJRdoc

    Thoughts on stainless steel exhaust system

    I see that Waldron's in MI sells stainless exhaust systems for mopars. I don't know anything about the company or their products.
  20. FJRdoc

    Thoughts on stainless steel exhaust system

    Does anybody make an accurate reproduction dual exhaust system in stainless steel for a 1970 Duster 340? I realize that it would be pricey but the durability would make it worth it. Any input would be appreciated.
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