Search results for query: Magnum manifolds

The street Demon seems like a good carb, pretty much a modern thermoquad. Know a few people that run them and they love them. Definitely get the resin bowl.

5.2 magnum vs 5.9 magnum right from the factory... same heads, intake, throttle body, exhaust manifolds, but the 5.2 actually had the "hotter" cam but the 5.9 still made about 15 more hp. I think you run a stroker now??? Why did you add more crank....????? :poke:

A set of speed pro 2355F would be a good piston for this. Even the summit 6401 is a nice street cam.

Okay that’s awesome thank you! What would you recommend as far as carbs? I almost got my hands on a decent priced 6 pack, is that worth it tho?

Update: So I found an early style magnum balancer in decent shape and installed it but I am still having the same engine "throbbing" at idle and cruising. It is definatley more prevalent when the engine is warmed up. The engine always stays nice and cold. It is not a full rebuild I found a...

Here a manifold & header shootout on a 300 hp 5.9l Magnum crate engine. https://www.motortrend.com/articles/mopp-0307-installing-exhaust-headers-into-300hp-crate-engine/ Legend318:Stock '69 A-Body exhaust manifolds with 24-inch extensions360:Stock '77 360 iron log-style exhaust manifolds with...

I got new heads finally for my 318 . Now I need exhaust manifolds. Do magnum manifolds work ? If not where can I get new style manifold ? I don’t like headers .

For sale: Small Block Magnum Edelbrock Performer RPM Air-Gap Intake Manifold 7577, brand new in box Location: Escondido, CA (North County San Diego). No shipping. Price: $400 OBO Payment Method: Cash I bought this manifold new many years ago and have never used it. Same part as this: Edelbrock...

No, not at all. I know for a fact and back, that the Magnum manifolds do work but not on all cars without some clearancing, because not all these cars are the same. I have a friend in north Georgia who put some on a Duster, which as we know is a lot wider than a 64 in the engine bay. They hit...

That's a damn good start

My thought here is the Mag ports are 360 size and my manifold is 318 size Edelbrock performer. I don't want to run the larger intake manifolds as I want to keep the velocity in the manifold high but not restrictive. Are the factory rockers on the Magnum engines adjustible?

...not the rest of the exhaust. There are options, including 340 manifolds (very expensive these days), Spitfire headers or OEM Magnum manifolds. All this has been discussed many times, so I won't try to go in depth here. At this point, if you're keeping the 273 manifolds, I agree with those...

...and tube if your 360 doesn't already have them. Exhaust is a cluster f*** on 360 early As- if you have manual steering, 340 ($$) and Magnum manifolds can be made to work, with some column modifications, but that will eliminate the ability to retain your column shift linkage, if you want to...

Thinking about using 360 magnum manifolds on a la360 & a set of j heads. Anything to consider besides the trans dipstick?

Do you have power steering? If not, I'd consider magnum manifolds. Almost as good as headers and can often be found locally for under $100.

...inch narrower per side on the early A vs the 67 and up. I'd probably never buy one again. That said it's a fun car for sure. The magnum manifolds that are the best ones are very comparable to the early 340 manifold with a huge opening (2.125) opening and can easily be opened up to 2.25...

Best possible bang for the buck would be to pull the 273 and install a junkyard magnum 5.9, with one of the eBay air gap manifolds and a set of summit headers.

Ran 12.20’s and worked it down to 11.80’s with a 410 using New Zealand EQ heads (w/1.92” intakes, not much for any porting other than guide boss tapering) using an Isky 280 Mega hyd w/1.6 rr, and a set of Dougs headers and 4.10 rear. Certainly you could get those iron heads to flow as well as...

...just saying this test can't be used to show it is so. None of this helps the OP though. That test doesn't say anything about the Magnum manifolds and how they compare so it's not worth polluting this thread with beyond what has already been said. I can add that Holdener did a test with the...

I'd get rid of the "300hp" goal, 1st I would decide what gear and stall l'm willing/gonna be running 2nd headers or manifolds 3rd heads stock or mods to the heads or different heads. Better heads need less cam to get there, bet a stock 5.2 magnum has 90% of your power goal unlike an LA's 60%...

Well I have the engine figured out... Reminder...this is a budget build...you have no idea! Bought a used 318 from an un named member here whom I have known for many years. Didn't spin over when I dragged it home but a little Earl down the cylinders got her freed up. $100 well spent. All...

Depends on the amount of interference you have, which can vary due to manufacturing tolerances and core shift in the head casting... the exhaust manifolds aren't really all that thick, and like I said the heads have a coolant passage right below the surface in that area. Test fit it, and...

Depends how your car is optioned. Power steering or column shift pretty much require use of the factory early A driver's side manifold (but will require grinding or an exhaust spacer to be used on later model heads). Manual steering and floor shift/pushbutton shift, you can fit the late A...

Although it does sound like it's running rich, I wouldn't do any tuning until the engine is completely broken in and 150 miles ain't it. Give it a little more time and then tune it.

Just curious. Will the magnum 318 exhaust manifolds fit in the earlier A bodies? Seems like that approach hasn't been mentioned..

...from the "Magnum" series engines do flow well. Not nearly as well as headers but still better than standard 318 units. The 1992-1993 Magnum manifolds had a 2 1/4" outlet. The right side clears an A body. I've used them. They exit over and behind the oil filter. The right side is an excellent...

i would love to see that same test with a 150 and 200 shot of juice see how much manifolds would make withe nitrous

UPDATE on the Inake Manifolds Mopar Small Block: The Three Magnum Intake manifolds were sold locally. Currently have the Red LA single plane intake in negotiations with: First in line- Dartwizer, @nd in line '68Cuda416. Posted new images-Let me know if more is needed. Thanks for you patience.

in a mild application shorties offer nothing when compared to 340 manifolds. long tubes with collectors will pick up hp & torque across the band and while the gain is not tremendous that little bump of 10% or so can convert into drivability and throttle response. with more aggressive cam...