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This is my collection of information I have come across on the ultra-rare 1958 Super Marauder 430-6V engine option for Mercury/ Lincoln. This option is often referenced as little more than a footnote in MEL history. Much of what follows has been graciously provided to me and shared by other enthusiasts, and so I have tried to provide source info and proper attribution where I can.

In 1958 Mercury introduced “a complete family of revolutionary new Marauder V8's with cool-power design”. They were based on Ford's MEL engine design (Mercury-Edsel-Lincoln) first released in the 1956 Lincoln. This new line of engines would be Mercury's first use of the Marauder name in a production automobile.

There were four Marauder engines in the Mercury line for 1958 and only the low cost Medalist did not use a Marauder engine.
The Monterey and Commuter used the “Marauder 383” 2-barrel engine (312 hp). The Montclair, Voyager, and Colony Park used the “Marauder 383” 4-barrel engine (330 hp).
Park Lanes came standard with a “Marauder 430” 4-barrel engine (360 hp). And if you needed more power than this, all models were available with the exotic“Super Marauder” engine. This was a 430 6-barrel engine with an incredible 400 hp. It was the highest horsepower engine available in any American car in 1958. It was also a Lincoln-Mercury engine only, not available in a Ford.

Mercury Marauder engines were all about power. One 1958 Mercury flyer stated “the 312 hp Marauder V-8 in the attractively-priced Mercury Monterey gives you more standard power than you can get in the most expensive Buick, Oldsmobile, Pontiac or Dodge”. It also states that “Park Lane has the highest horsepower-to-weight ratio of any American car”. This was a great start for what would become a great Mercury name.

Engine production:
Marauder 383 2V (Monterey, Commuter) 97,052 less Super Marauder
Marauder 383 4V (Montclair, Voyager, Colony Park) 28,235 less Super Marauder
Marauder 430 (Park Lane) 9,252 less Super Marauder
Super Marauder 100 estimated

Indeed, the Super Marauder 400HP option was available on all models, including the "Big M" station wagon.

The Big M - J8 code
Mercury Super Marauder options were reportedly factory-ordered with a "J8" showing up in the VIN if so ordered. It appears that it may have been more common to have this set-up dealer-installed, and dealer installation was reportedly the only way to have the setup installed on your 1958 Lincoln for which a separate air cleaner was designed. I am not aware that this option was installed on the Edsel... but reportedly it could have been installed on the 1958/9 T-bird (more on that later).

Here's an original factory-delivered Super Marauder Park Lane sedan. VIN J8WG537XXX http://home.c...1168820-2.jpg
The above vehicle is for sale. Contact See link for more pics:

Brian Stefina's Super Marauder is raced

Brian Stefina of Waterford, MI delivered a one-two punch with a pair of Mercurys. Stefina first built a clone of an extremely rare 1964 Mercury Monterey Marauder with the R-code 425 horsepower 427. The number of cars surviving with this combination could be counted on two hands, so building a car without a factory hi-po pedigree gives participants even more license to beat on them without remorse. After a few years of marauding, Brian built a clone of America’s first production 400 horsepower car - the 1958 Mercury. He researched the specs of this one-year 430 cid motor and found the right pieces, then built it for an El Cheapo Mercury Medalist 2-door sedan. Despite being saddled with a three-on-the-tree transmission, Brian managed to pull high 13 ET's.

Air Cleaner Assembly
The air cleaner sets this engine off from all others, prominently displaying "Super Marauder 400HP" for the Mercury enthusiast.

Sold for $3,450 in Nov 2006. Lot contains an air breather, three two-barrel Holley carburetors, an intake manifold, valve covers and a fuel pump, plus 15% buyer's premium to auction house.

NOS Mercury Super Marauder air cleaners still pop up from time to time but they are very rare. Recent asking price for one on Ebay was $2,500.

Lincoln Application
The setup was also dealer-installed for Lincoln and a separate "toned down" air cleaner was used for the more refined enthusiast who didn't need to advertize beyond the compound lines of the most radical yet elegant and expensive Lincoln produced at that time, likely a 1958 Continental Mark III.

Sold for $6,900 in Nov 2006. Lot contains Lincoln air breather, three two-barrel Holley carburetors, an intake manifold, and a fuel pump, plus 15% buyer's premium to auction house.

An NOS 1958 Lincoln Super Marauder air cleaner sold for $7,500 in 2004. Contents included original Lincoln box with 5751514 part number, factory supplied wingnuts, mounting studs for carbs, carb gaskets, air filter element, and air breather.

West Coast Connection- Bill Stroppe & Son
Bill Stroppe had a close racing relationship with Ford and in 1947 the Lincoln-Mercury Division agreed to Stroppe and Clay Smith's suggestion of establishing a West Coast racing operation.

...Though Ford wouldn't start campaigning and selling cars under the Total Performance theme for another seven years, Stroppe already embodied the philosophy of racing in all conceivable forms. On his own, he raced in the SCCA (and won a championship in 1952 in a Mercury flathead-powered Kurtis 500S) and crewed for cars at Indy. He participated in the Mobilgas Economy Runs in the early 1950s, and convinced Ford to provide a full team of Lincolns for the 1952 to 1954 Carreras Panamericana. His effort paid off when Lincolns took the top three spots in the 1952 and 1953 editions of that race.

After the accidental death of Clay Smith in 1954, Stroppe continued to run Lincoln-Mercury's West Coast racing efforts on his own, and at about the same time, he switched his focus from racing Lincolns to racing Mercurys, and from preparing cars for road racing (Mexican authorities canceled La Carrera Panamericana before the 1955 race) to preparing cars for stock car racing.

Stroppe weathered the 1957 to 1963 ban on factory racing involvement with a number of preoccupations, including the development of police packages for Mercurys...
Full article: http://home.c...0article2.jpg

References have been made by others that Stroppe was responsible for design, development, and production of the Super Marauder package. His shop remains in Paramount, California and it is interesting, probably more than a coincidence, that the NOS Lincoln air breather I mentioned earlier was wrapped in 1957 newspaper from the Los Angeles Times. Super Marauder production release was not until April 1958 and so it would seem likely that the air breathers were produced in Southern California and possibly by Stroppe himself or someone contracted by him. An article from the July 1959 Hot Rod issue goes one step further and tells us that the Super Marauder setup was being made available for T-Birds by none other than Stroppe and using a modified air breather, which would have been different from the Mercury and Lincoln designs. I am still trying to track down a picture of this third air breather design which was supposedly smaller and rounder while still retaining the familiar center grooves that are painted red. Stay tuned.

Hot Rod July 1959- Stroppe Super Marauder package for T-Bird
http://home.c.../page0001.jpg Thank you Senator Boyce for providing this piece of the puzzle.

Stroppe-designed valve covers
1958 Mercury Super Marauder Mold and Valve Covers. Advertized as: Double-shrink wood and aluminum molds used to produce aluminum valve covers to fit the Mercury 430 cubic inch 400 horsepower Super Marauder engine. These engines were modified by Bill Stroppe & Son in Long Beach California to meet NASCAR requirements and were produced in limited numbers making these engines (and valve covers) extremely rare. Probably the last mold in existence for these valve covers. Sold for $350 in Nov 2006.

Holley 2300 Carburetors

Aluminum Intake Manifold
The intake manifold is one-piece cast aluminum which must have been way ahead of its time for 1958 as compared to its contemporary tripower competitors that were mostly (all?) cast iron boat anchors like the 348 Chevrolet, Pontiac/Oldsmobile J2, and Cadillac.

Is it just me or is that a Moon Eyes logo on the #4 port of my Super Marauder intake manifold?

The Super Marauder intake has been widely claimed to have no visible casting numbers or other identifying numbers, but I did find these and have read at least one claim that Moon Eyes did the castings for these intakes. I'm still researching the above stamping and am asking other fellow Super Marauders to check their intakes. I inquired with Moon Eyes but no response- maybe someone with more pull can try. Moon Eyes is in Santa Fe Springs, CA which is about 8 miles from Stroppe's shop.

Edelbrock L-300 was also made as an aftermarket MEL tripower aluminum intake. It can be identified by the tell-tale bolt towers over cylinder #8 for mounting the accelerator linkage as well as the L300 marking.