Fuel Injection system for 450/S racing engine. | FerrariChat

Fuel Injection system for 450/S racing engine.

Discussion in 'Maserati' started by 3500 GT, Oct 18, 2025 at 3:35 PM.

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  1. 3500 GT

    3500 GT Formula 3

    Nov 2, 2008
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    Gentleman Racer
    I have an original fuel injection system for a 450/S engine. I am wondering if there are any members on this forum that know of any original cars or engines. Any engines from racing boats to spares,..to 5000 GT engines I would be interested in chatting with or anyone with a FI system for racing.



    Grazie/Merci/Danke/Danke Je/Gracias/Thank you !
     
  2. Ferraripilot

    Ferraripilot F1 World Champ
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    May 10, 2006
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    John!
    That is an extremely random and cool thing to have, how did you end up with that?
     
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  3. eogorman

    eogorman Formula Junior

    May 10, 2005
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    Eugene O'Gorman
    There are several people that still race cars and use the Lucas FI system on Chev V8 .Kinsler still services these units and has a great knowledge of them
     
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  4. 3500 GT

    3500 GT Formula 3

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    #4 3500 GT, Oct 19, 2025 at 1:49 PM
    Last edited: Oct 19, 2025 at 2:06 PM
    Thanks Eugene, I appreciate your input. I will investigate further.
     
  5. 3500 GT

    3500 GT Formula 3

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  6. DWR46

    DWR46 Formula 3
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    Jun 19, 2012
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    That is not a factory unit. It is a modified Hilborn Injection unit. Most probably done on the West Coast in late 1950s/early 1960s.
     
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  7. 3500 GT

    3500 GT Formula 3

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    #7 3500 GT, Oct 19, 2025 at 3:53 PM
    Last edited: Oct 19, 2025 at 4:09 PM
    @DWR46 Good eye and yes, I am aware of that.

    It is NOT a modified Hilborn injection system. It is a Hilborn factory made and cast unit 1957 for a Maserati 450/S engine. (says so on the part and the documents).

    It was made for Tony Parravano/Maserati racing team. I have the history and paper work from Hilborn. It was made for the 1957 Indianapolis 500, with two factory 450S engines and support, it is a bespoke part, and was not sold on the market. At that time Mr. Parravano was on point with his racing career, and cost was not an issue.

    I am reaching out to owners of any 450S engines and or cars for information on the engines, and Lucas systems. Trying to learn.

    Let's put in on your car....it will make it go! ;-)

    Grazie/Merci/Danke
     
  8. Ferraripilot

    Ferraripilot F1 World Champ
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    John!
    wow. Love it. I too am a Maserati nerd. I bet this works far better than the Lucas unit. I know more than one 5000gt have been modified so the original Lucas intakes have EFI injectors, worked a treat, and all hidden under the air box. I want to say that engine made some 416hp or so after doing so.
     
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  9. DWR46

    DWR46 Formula 3
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    Jun 19, 2012
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    3500GT: I suspected it was for Parravano based upon the photos. Your story makes perfect sense as to having Hilborn custom make a system for him and the Indy project. Since, by then, Hilborn was the induction of choice for most Indy Offenhauser's, people in that arena would want to dispose of the Weber carburetors and go with something they were familiar with. I have built 450S engines and currently care for two of the cars. To add support to your story, we found on the dyno, the factory chokes and jetting actually caused the motors to be under carbureted. I made up a set of 40 mm chokes to replace the factory 37 mm units and the engines jumped over 30 bhp without any torque loss. This experience makes it all the more likely, the Hilborn system would also have significant power benefits.
     
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  10. wbaeumer

    wbaeumer F1 Veteran
    Consultant

    Mar 4, 2005
    9,028
    The photo shows Californean Tony Parravano when he visited the factory in 1956. He had very deep pockets and ordered one 350D, one 300S, one 250F and a 450S.
    Little later, the IRS hunted him and also the Mafia. The Mafio won......
     

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