Search results for query: 340 manifolds

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  1. domdart

    68-70 Manifolds on 72 340?

    I am selling my Harley so I am going to put some money into my 68 Dart. I am taking off the D453 headers and go with exhaust manifolds. My 72 340 was put back to 68 specs. It has 2.02 and 1.88 valves, a forged crank, a cam, and 10.5 to 1 pistons. Will the higher flow 68-70 manifolds bolt right...
  2. Icetech

    Cheap 318 performance mods.

    The hotrod mileage wars are on!!!
  3. J

    Edelbrock LD4B - what's the operating range?

    ...i'd probably push toward headers to pick up a little more low end and midrange torque as well as cost considerations, but you wouldn't be losing much at all with 340 manifolds. i like that combo and the addition of a OD lockup with some gears out back should really make it shine all around.
  4. Swinger 340

    340

    Just a thought. I also run a "HOT" coil and must use another Ballast along with the stock one.
  5. BrianT

    Let's Build a 416 with Cast Iron Heads and Manifolds

    My machinist set the quench this way on my 408.
  6. HotRod20

    68-70 340 exhaust manifolds install question

    Hello all, I'm getting ready to drop in my rebuilt 340 into my 72 Scamp. Has anyone installed the engine assy. with the factory Hi-Po exhaust manifolds bolted on to the engine before dropping it in? The car has manual steering so I hoping I can clear the steering shaft and the engine drops into...
  7. M

    Interesting air cleaner on this 273 Dual Quad

    4spdragtop that is a great looking 273. The oOffy and probably the Edelbrock dual quad manifolds were specifically made for the 273 only. When the 318 came along it worked on those because the heads were the same. But no one tooled up and made a low profile under hood dual quad for the LA340...
  8. W

    Real talk: exhaust manifolds on 360 Dart

    None taken! The previous owner put it on, I'm just getting started on this journey. I used to work on these all the time, but that was 30+ years ago. There have been a lot of new things brought out in that time...as I'm now learning. I'm always open to new ideas or suggestions, that's why I ask...
  9. J.B.

    340 six pack hood closing clearance?

    Multiple companies sell a demon/duster 6 pack hood
  10. a-bodyguy

    1 5/8 headers

    12.7@108 26.99 tall street tires 340 727 3.23s spray 243@50 trapping in 2nd 3600 lbs manifolds run 11s
  11. Bodyperson

    Am I Going To Be Happy With This Camshaft?

    ...727) with stock converter hopefully. Funds are running low. 67 Barracuda at basically stock weight. I have Doug headers and late model 340 manifolds. My intake options are basically stock manifolds. My best available option is the aluminum Mopar stock replacement square bore with a 600 cfm...
  12. S

    [SOLD] exhaust manifolds

    Here's some pics 4041466 3614366-2
  13. RustyRatRod

    65 valiant

    With no P/S, I tell you what I'd put on it. I'd put Magnum manifolds on it. I'm not 100% sure they fit, but I think they do. Maybe someone that's done it will chime in. The big outlet Magnum manifolds outflow the 340 manifolds.
  14. 408 swinger

    [SOLD] 340 Driver Side Exhaust Manifolds

    As title states, all three are left/driver's side manifolds. One 68-70 and two 72-74. Cast number on the early one is hard to make out. Use your own discretion. One if the newer has heat shield intact. All were shot blasted clean and primed. Posting for a friend. These will be on site at the...
  15. M

    Interesting air cleaner on this 273 Dual Quad

    On my mini tubbed Dakota I recently did the intake manifold plenum plate re seal. While the keg was removed I set my Offenhauser dual quad on the 5.2 as well as a Weiand Tunnel Ram. The 273/318 Offy probably will work great with OEM Magnum heads. The Magnum heads have smaller intake ports than...
  16. Professor Fate

    5.9L Magnum questions

    A couple of things to consider: The '66 transmission has the small support nose on the convertor, the Magnum has the large diameter crank pocket. You will need a spacer/adapter to run an early style convertor on the late motor. Many convertor suppliers may have issues supplying an early style...
  17. Mike69cuda

    Truck manifolds on Dart Sport?

    The stock 72 to 74 340-360 manifolds are relatively cheap compared to the earlier 340 ones. It makes for an easy install and you can use stock-ish exhaust pipes. You will probably not notice much difference for a lot of extra work with other manifolds. I took the cheap crap headers off mine...
  18. 65 Cuda 340

    Edelbrock heads with OEM manifolds

    To answer the original question, I ran early 340 manifolds with Edelbrock Performer RPM heads on my 65 Barracuda. The driver's side down tube did interfere with the head in the location described above (#8). Not knowing any better, I just ground on the head until the manifold fit. Never has...
  19. H22A4

    Exhaust pipes/manifold

    I also went with a TTI downpipe on the passenger side and a non TTI (custom) downpipe on the drivers side. Regardless, tell TTI your manifold casting numbers and car and they will sell you the right down pipes for your application. Here’s my setup: 340 Manifolds on 318
  20. C

    Dumb Mopar moves - this should be fun

    Passed on a 72 tripple black numbers matching 340 automatic Demon totally optioned out, appearance package, buckets, console, rallye dash, etc in a neighboring state. It was a rusted pos and way overpriced, but still. And another one that haunts me, 68 big block automatic GTS, numbers matching...
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