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Thread: Curious question about the FS-DE from 626/Probe

  1. #1
    Living the wagon life...

    2003 Mazda Protege5

    Join Date
    Feb 2011
    Location
    Las Vegas, NV
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    Curious question about the FS-DE from 626/Probe

    So after my blue Protege5 was rear ended, I wound up buying a silver one... long story short, the guy who sold it to wasnt exactly honest about the condition of the motor. Head was warped, blown head gasket and the bottom end was completely shot (found this out after replacing the head on the damn thing!). Every test performed on the motor outside of wet compression test pointed to bad valve stem seals initially... but yeah, Im left with a Protege that eats 3 quarts of oil every 2 days aaaaaand needs a new bottom end!

    Anywho, Ive read/heard from quite a few people that the FSDE bottom end is compatible across the board. Been trying to find a remanufactured bottom end for a few weeks now. Ran across this on ebay... will this work with my 2003 P5?

    https://www.ebay.com/itm/2-0L-Ford-P...4383.l4275.c10
    Last edited by dorkidori_s13; 04-30-2018 at 07:05 PM.


    My 2003 Protege5 5spd aka "Battlewagon" build thread... CLICK HERE

  2. #2
    Damian Dpwhitehead1's Avatar
    Donated: $25

    LX, MSP 935 & MSP 1145

    Join Date
    Jan 2005
    Location
    Owings Mills, Maryland
    Posts
    9,173
    Itís an FS but is it the DE or ZE?

    Either will work but the ZE requires a bit more to work proper.
    Be happy!

  3. #3
    Registered Member

    Protege5

    Join Date
    Jan 2015
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    Springfield, MO Area
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    961
    There are some differences between those and the 2000+ engines.

    2000+ had a stronger block, piston squirters, forged crank, updated head, and I believe different pistons. These are the engines to look for.

    Earlier engines may not have the casting for a crank sensor, as they were distributor ignition.
    2002 Protege5 5 Speed, Pure White, FSZE Swap, Konig Incident 17's
    2006 Chevy Silverado 1500 4x4 5.3

  4. #4
    Living the wagon life...

    2003 Mazda Protege5

    Join Date
    Feb 2011
    Location
    Las Vegas, NV
    Posts
    252
    before you guys give your opinion, would you PLEASE go look at the pics and info posted in the ebay auction i pasted a link to... the photos are very detailed and show ALL angles of the block!
    Last edited by dorkidori_s13; 05-01-2018 at 02:05 PM.
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