Bigfoot upgrade to 23HP vanguard

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Thread: Bigfoot upgrade to 23HP vanguard

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  1. #1

    Bigfoot upgrade to 23HP vanguard

    I am planning to swap my 1998 Bigfoot 18HP vanguard to a 2009 23HP vanguard out of frontier. Will my clutches and tranny hookup match the 23HP setup? What about the muffler, what type of muffler/exhaust manifold will I require? Has anyone completed the swap? Any suggestions or concerns?

    Please help....

  2. #2
    Join Date
    Sep 2010
    Location
    rhode island
    Posts
    709
    I just put a 23 in my bigfoot. I can get you the part number tomorrow.

  3. #3
    Join Date
    Aug 2007
    Location
    Wells Maine
    Posts
    422
    Im looking into doing a swap but with the newer 23 hp kohler efi I was thinking of the briggs 23 hp but cant pass up efi

  4. #4
    I am also looking for a similar swap and considering B&S 23HP, 23HP Kohler EFI, or Subaru 28HP EFI.

    Would really appreciate any input on this.

    Cheers, Rick

  5. #5
    Did the Bigfoot clutches and tranny hooked up without modifications to the 23 vanguard? Any problems with engine overheating?

  6. #6
    Join Date
    Sep 2010
    Location
    rhode island
    Posts
    709
    If you are asking me, no hook up issues, engine compartment tighter but fits and I'm no mechanic. It's cold in R.I. so heat issues we'll see. I got the motor for $500.00 shipped after selling the 18 so I couldn't pass it up. May go Kohler later if this one is a problem. I made some mods with heat in mind pm me and I'll elaborate.
    Last edited by trevorakm1; 03-05-2015 at 08:57 AM.

  7. #7
    What modifications have you done to avoid the possible overheating issue? How did it go with exhaust manifold and muffler, any parts number for the conversion

  8. #8
    Join Date
    Mar 2010
    Location
    Oconee County, SC
    Posts
    823
    I replaced a worn out motor in my hustler with a Briggs 23 hp vtwin the other year. Heat is a major concern for the hustler. Wrapped the exhaust in header wrap. and opened the top above the exhaust to allow heat to escape. Added a fan to blow in fresh air on the flywheel side.


  9. #9
    I would appreciate the part number for the 23HP conversion on your bigfoot muffler/exhaust manifold....Thanks

  10. #10
    Join Date
    Sep 2013
    Location
    Waldo Wi
    Posts
    941
    Are the Kohler's or Subaru EFI's even available with a 1" PTO

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