Search results for query: Magnum manifolds

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  1. bobscuda67

    Magnum Heads On 340

    I rebuilt my 68 340 block in the early 2000s and used magnum heads on it. After having one set with cracks I just bought new bare castings. Back then all the Mopar magazines said that the 340 hipo exhaust manifolds bolt right on and they were right except you eight huge exhaust leaks. I...
  2. D

    Exhaust Manifold options for a 5.9 magnum and 64 dart

    I've looked at the thread about using magnum manifolds and while tempting looks like it's by no means a clean and easy fit. I ain't chasing no power but 340 manifolds look like the most reasonable thing to use. No power steering on this car
  3. 340sFastback

    school me on a 5.9 magnum motor.

    Some info in here on running 340 manifolds with magnum heads: 340 manifolds and Magnum heads
  4. Slantsix64

    Magnum Heads On 340

    I had magnum heads with 340 manifolds I ran remflex gaskets for a magnum engine no sealing issues
  5. abodyjoe

    school me on a 5.9 magnum motor.

    what inter changes between a LA and magnum small block. stuff like timing chain, timing chain cover, oil pump and oil pan. distributor ? will 340 exhaust manifolds fit a magnum head? i know the intake is different. are the LA accessories able to work on the magnum?
  6. Dana67Dart

    273 mix matched head

    What I ment was aftermarket manifolds.
  7. toolmanmike

    273 mix matched head

    My point. No manifolds were dual pattern except the late model LA/ Magnum I takes.
  8. bobscuda67

    Magnum Heads On 340

    Did you use them on a stock magnum head? Maybe this is the answer.
  9. remytherat

    Exhaust Manifold options for a 5.9 magnum and 64 dart

    There are some mismatch issues between the 340 manifolds and magnum heads. A thread or two on here discusses that.
  10. Professor Fate

    best hi flow ex manifold/drivers side

    ...be the '92-93 Magnum manifold that has a larger outlet diameter than the later ones, casting numbers 617/618. Even the standard Magnum manifolds don't give much up to the larger bore ones or the 340 manifolds. They all will take some horsing around to get them to fit an early A (even the 340...
  11. Professor Fate

    Driver's side manifold

    Magnum manifolds would SEEM to be the logical answer- they clear the manual box but may need to have the column sleeve trimmed back; not sure if there's enough clearance to do that with a column shift. May need a bit of grinding to clear the shaft/coupler as well, and/or a swap from coupler to...
  12. S'cuder

    Thermostat Housing sizes

    Some of the M1 manifolds used a smaller thermostat, maybe the same one as used on Magnum engines. Your new manifold is probably specced for the one used in V8s from the 1950s until the Magnum came out.
  13. YY1

    Cheap 318 performance mods.

    Just a note that Magnum manifolds hit the top of a PS gear box. They clear a manual gear box, though.
  14. Slantsix64

    best hi flow ex manifold/drivers side

    I dunno that just doesn’t look safe, that motor would have to be chained down because if it shifts up it’s going to push on the steering shaft. Wish there was some better picture cause it looks like it’s resting on the manifold……….
  15. toolmanmike

    273 mix matched head

    No! No early manifolds were dual bolt pattern. LA and Magnum yes.
  16. HankRearden

    school me on a 5.9 magnum motor.

    i have some d truck manifolds I can try on a junk magnum head tomorrow if it helps.
  17. Professor Fate

    Exhaust Manifold options for a 5.9 magnum and 64 dart

    340 manifolds aren't exactly a clean fit in the early A body either, although they take less work than the Magnum manifolds. And then there's the port mismatch/sealing issues and outlet to head interference to deal with. And the cost. Magnum Heads On 340 Easiest (and since you're admittedly...
  18. Professor Fate

    Thermostat Housing sizes

    In '78-'79 or so Mopar smallblocks went to a smaller, offset thermostat. Magnum and Chebby size (maybe slant 6 size too? Dunno.). Most aftermarket manifolds are sized for the earlier thermostats and housings.
  19. niceolddart

    Keg intake to 4 bbl m1 intake

    The factory Magnum kegger manifolds are easy to modify & will make pretty good horsepower if they are modded right. Unless you're doing high RPM drag racing, they are great manifolds for the street, easy & dirt cheap to get + they make good low-down torque. Check out Utawsome Performance for...
  20. DionR

    school me on a 5.9 magnum motor.

    Good find. I run some 340 manifolds on my R/T heads and had to get adapter cut like mentioned in that post. Some of what it comes down to is how the heads were cast. When I was putting my motor together, a buddy of mine had a set of Magnum heads on the bench and the material around the port...
  21. ragtopfury

    Will a 77 Charger 360 fit in a 65 Valiant Slant Six Painlessly?

    Conversion motor mounts, correct exhaust manifolds for the A body, or make Magnum manifolds work, and you will need the transmission from the charger. Larger radiator. A few wiring changes. Upgrade the differential and when you do, you'll need a shortened driveshaft. That's the basics.
  22. HankRearden

    school me on a 5.9 magnum motor.

    ive used a couple magnum 5.9s. An LA 360 car pan works. I used an LA timing set. I did use the magnum accessories to get the serp belt set up and higher amperage alternator.I used la headers on magnum heads and magnum headers on la heads. no leaks.
  23. 318willrun

    150 HP LA 318 - vs - 230 HP Magnum 318

    Just a note - first year of the 5.2 magnum was '92. '93 for the 5.9 magnum.
  24. remytherat

    Driver's side manifold

    Wondering about manifolds for my '69 dart 360 magnum. Manual steering, column shift for now but may convert to floor shift. I am wondering whether it will be possible to run a magnum manifold on the driver's side or whether I should track down a 340 manifold. Of course the other option is to...
  25. Dartfreak75

    Magnum head drill fixture

    Yea I got one of the speedmaster air gap intakes on Black Friday a couple years ago. I'm gonna use it on my magnum
  26. abodyjoe

    school me on a 5.9 magnum motor.

    i found this. wonder how bad the exhaust manifolds mismatch. Magnum Swap: Chrysler LA parts - what works and what doesn't? |
  27. YY1

    150 HP LA 318 - vs - 230 HP Magnum 318

    91 5.2 is a Magnum and was rated 235 HP with the "large exit" Magnum manifolds. Rating went down to 230 with smaller outlet manifolds. 5.9 was rated 245 HP and was the same build as the first gen "crate" 360, rated at 300 gross HP.
  28. azmopar

    [SOLD] Exhaust manifolds 53006618 53006619

    Have a pair of the 360 Magnum ex manifolds. Matched pair $150. Located in Goodyear AZ. Shipping not included
  29. Slantsix64

    340 - Stock Exhaust Manifolds or Headers

    I had 340 manifolds on my on my mild magnum build, went with the cheap summit headers, and remflex gaskets thread locker on bolts. I’ll never go back to manifolds the amount of torque I gained and h.p was worth it!
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