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  1. #1
    Gold Member
    Join Date
    Mar 2002
    Posts
    350
    Location
    Rowlett, TX
    Tractor
    Ford 8N, Ford 850

    Default What\'s your SPI?

    What is your spark plug index? (Some call it a cylinder index) The index represents the number of spark plugs in vehicles and equipment that you own. Mine is 38:
    2000 F150- 8
    2000 BMW-6
    2000 Sylvan Boat - 6
    1998 Honda Civic - 4
    1948 Ford tractor - 4
    1956 Ford tractor - 4
    2001 lawn tractor - 1
    gas weedeater - 1
    2 push mowers - 2
    gas edger - 1
    chain saw - 1
    That adds up to 38. I have heard of people with over 100. Personal SPI, not Business SPI. (Don't count your company-owned stuff)

  2. #2
    Veteran Member
    Join Date
    May 2001
    Posts
    2,385
    Location
    Michigan
    Tractor
    New Holland TC40D Supersteer

    Default Re: What\'s your SPI?

    Can diesel owners get credit for the number of engine cylinders they own (ie, the SP-CI) [img]/w3tcompact/icons/smile.gif[/img]?

    8 2001 Silverado
    8 2000 Continental
    6 1997 Aerostar
    1 Coleman Generator
    1 Ryobi weedwacker
    1 Lawnmower
    1 Snowthrower
    1 Chipper/shredder

    27 SP-CI

  3. #3
    Veteran Member
    Join Date
    Dec 2000
    Posts
    1,396
    Location
    Queensland, Australia
    Tractor
    Kubota L1-20 DT

    Default Re: What\'s your SPI?

    My cylinder index (Including diesels) is a piddly little 18, even including my dam pump.

    I guess I just don't cut it with the TBN muscle [img]/w3tcompact/icons/laugh.gif[/img]

  4. #4
    Epic Contributor MossRoad's Avatar
    Join Date
    Aug 2001
    Posts
    23,186
    Location
    South Bend, Indiana (near)
    Tractor
    Power Trac PT425 2001 Model Year

    Default Re: What\'s your SPI?

    39 that I can remember.

  5. #5
    Platinum Member
    Join Date
    Jan 2002
    Posts
    856
    Location
    South West Pa/Greene county
    Tractor
    Long/Landtrac360DTC

    Default Re: What\'s your SPI?

    I have 44 that I can think of.

  6. #6
    Gold Member
    Join Date
    Nov 2000
    Posts
    415
    Location
    Fremont, New Hampshire
    Tractor
    BX2200

    Default Re: What\'s your SPI?

    Truck 6
    Car 6
    generator 1
    leaf blower 1
    chain saw 1
    power washer 1
    leaf vac 1
    weed wacker 1
    Murray (best dang ....) 1

    pitiful 19 and I don't recall the last time I changed any of them.

  7. #7
    Platinum Member
    Join Date
    Aug 2001
    Posts
    990
    Location
    Winchester, New Hampshire
    Tractor
    Kubota L3000

    Default Re: What\'s your SPI?

    Trucks 3x8=24
    Cars 2x6=12
    tractors 2x3.5=7 (1 - 3 cylinder, 1 - 4 cylinder)
    baot 1x2=2
    cahinsaws 4x1=4
    weedwacker 1x1=1
    lawnmower 1x1=1
    sawmill 1x4=4
    --------
    mine 19

    Also living at home 3 sons
    trucks 2x6=12
    cars 2x5=10 (1-4 cylinder, 1-6 cylinder)
    ---------
    other 22

    grand total 41

    What does your SPI prove? That you spend far too much on fuel that just went up 14 cents a gallon. [img]/w3tcompact/icons/sad.gif[/img]

    My wife has been saying for a while we have too many card in the driveway, after looking at this maybe she is right. [img]/w3tcompact/icons/smile.gif[/img]

  8. #8
    Elite Member
    Join Date
    Apr 2000
    Posts
    3,743
    Location
    Stowe, Vermont
    Tractor
    Kubota L3240HST, KX-121-3S

    Default Re: What\'s your SPI?

    Geez, I seem to be delinquent in the SPI department! [img]/w3tcompact/icons/shocked.gif[/img] But I'm not sure that's a bad thing.

    Car 4
    ATV 1
    Mower 1
    Weed Wacker 1
    Pressure Washer 1
    Log Splitter 1
    Leaf Blower 1
    Chainsaw 1
    Other Chainsaw 1
    Backup Chainsaw 1
    Emergency Backup Chainsaw 1
    Total 14

  9. #9

    Join Date
    Aug 2000
    Posts
    239
    Location
    Texas
    Tractor
    my 18 horse Sears doesn't even count as a tractor

    Default Re: What\'s your SPI?

    Gosh, I sure am in big trouble. I have a 10 cylinder engine it has no plugs at all[img]/w3tcompact/icons/frown.gif[/img]. I got rid of the 4 cylinder truck that had eight so with three autos at home I have a puny 8 SPI. Is that a new low or what[img]/w3tcompact/icons/smile.gif[/img].

    Randy

  10. #10
    Veteran Member
    Join Date
    Jan 2002
    Posts
    1,265
    Location
    Western Michigan
    Tractor
    NH TC33D w/R4 Tires, Rear Remote, Hydraulic Toplink, 2 Auxiliary Work Lights, 7308 Loader w/Kasco Uni-Hitch (Quick Tach)

    Default Re: What\'s your SPI?

    Dodge Dakota 8
    Chevy Monte Carlo 6
    Cadillac Coupe DeVille 8
    Suzuki DRZ400s Dirt Bike 1
    Kawasaki JetSki 3
    Dayton 7500 Watt Generator 2
    Honda eu3000 Generator 1
    Excell 3000psi Pressure Washer 1
    Lawnboy Mower 1
    Toro Mower 1
    Craftsman Leaf Vaccuum 1
    Echo Leaf Blower 1
    Stihl Weed Wacker 1
    Airens Walk Behind Weed Wacker 1
    Craftsman Chain Saw 1
    Weedeater 18.5hp Hydrostatic Riding Mower 1 (or 2?)

    38 total, I'm sure I forgot something.

    It gets noisy around me in the summertime.

    Spence

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