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Thread: Glow Plugs - 11G's or 60G's

  1. #1
    Join Date
    Sep 2000
    Location
    California
    Posts
    103

    Default Glow Plugs - 11G's or 60G's

    Well, after being a "lurker" for so many years, I finally picked up my first 6.2L truck about a week ago. It's an '83 K2500 with a J-code 6.2L and an SM465 and the truck has about 64,000 original miles on it. It has the original 9G glow plugs in it and I was wondering if swapping these out to the newer 11G or 60G glow plugs should be one of my first things on the "to do" list. Also, there is a local AC Delco dealer here in town and they have both 11G's and 60G's on the shelf. Do the 11G's have the swelling issues that the 9G's have and should I just skip the 11G's and go straight for the 60G's? Thanks a lot.
    Bob

    '83 K2500, 6.2L J-code, NV4500, NP208, 3.73 gears

  2. #2
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    12,464

    Default

    The 60G plugs are the best choice for all around performance and safety.

    best

    Robyn
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  3. #3
    Join Date
    Sep 2000
    Location
    California
    Posts
    103

    Default

    Thanks Robyn.
    Bob

    '83 K2500, 6.2L J-code, NV4500, NP208, 3.73 gears

  4. #4
    Join Date
    Apr 2001
    Location
    CA
    Posts
    13,691

    Arrow

    The 11G's are good plugs, and won't swell like the 9G's (thermistor protected). They won't last as long as the 60G's, but heat much quicker, and are hotter (makes for quicker starts when it's really cold). As Robyn said, 60G's are the pick of the litter, but will usually require a longer glow cycle. If you can get a better deal on the 11G's, there's no reason not to. They will last a long time with an otherwise healthy engine and glow plug system.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  5. #5
    Join Date
    Sep 2000
    Location
    California
    Posts
    103

    Default

    Thanks for the info DmaxMaverick. Since this store has had the 11G's sitting on the shelf for a while and would have to order the 60G's, I might be able to get a better deal on them. If I can, maybe I'll give them a shot. I was just concerned that they might swell like the 9G's, but since they won't, they should be fine.
    Bob

    '83 K2500, 6.2L J-code, NV4500, NP208, 3.73 gears

  6. #6
    Join Date
    Sep 2001
    Location
    Lubbock TX, USA
    Posts
    4,194

    Default

    For the most part, with the stock controller, the 11g's work pretty well. I've got two sets deployed without any failures.

    If you modify a controller for longer glow, they'll fail though, but won't swell.
    1982 C10 SCSWB 6.5TD, mods too extensive to list. (13.69 1/4 mile @94.6 MPH) RACE TRUCK
    1982 C10 SCSWB 6.2NA, 2.73 700
    1986 C10 SCLWB 6.2TD 3.73 700
    1989 V20 SUB 6.2NA, 3.73 400
    1994 G20 VAN 6.5NA, 3.42 60E
    1994 K20LD ECSWB 6.5TD, 3.42 80E
    1995 K20 SUB 6.5TD, Wrecked, ran into by stupid teen.
    1995 C3500HD DRW 6.5TD, 12' Flatbed 5.13 80E
    1995 C3500HD DRW 6.5TD, 18' Rollback Wrecker 4.63 80E
    1994 C20HD ECLWB 6.5TD 3.73 80E Wifes Truck.
    1995 C20LD ECSWB 6.5TD 3.73 80E
    1995 K20LD SCLWB 6.5TD 3.73 80E
    1996 K30 DRW 6.5TD 4.10 80E
    1997 C10 Tahoe 2Door 2WD 5.7L to 6.5 Conversion Underway

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