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Thread: Torque Converter Sticker number. Need help ID'ing converter

  1. #1
    Join Date
    Dec 2000
    Location
    Walla Walla WA
    Posts
    69

    Default Torque Converter Sticker number. Need help ID'ing converter

    Hello,
    So my attempt at rebuilding a 4L80E went awry. Put something in wrong and keeps blowing TCC valve out of the oil pump.

    Anyway, I have purchased a known good 4L80E. Problem is it came out of a Suburban with a 7.4 gasser and not a diesel. Anyone had one of their tranny's out on a 91-96 6.5 4x4 and looked at the sticker (attched to both sides of converter) code. The one I bought is a 670.

    Seems most converter manufacturer's want this code but somehow cannot figure out what you need if you don't have this code. The build date on my new tranny is 3280 (93 280th day)

    Possibilities are - 152, 492, 494, 528, 576, 606, 670, 671, 675, or 841. This will go into a 94 K2500 SB EC 6.5, 3.73 gears. Thanks for any help,

    Jerry
    1994 K2500 ext cab. Recently repowered with; Non-cracked 599 block, factory compression, used old DSG girdle for main caps. Factory for what remains. Changed diffs to 3.42. Fuel economy Hwy 22.5 mpg US, in town without lcokup in 2nd/3rd - 18 mpg US.
    1994 K3500 CC LB Silverado. Next project. Built for endurance, power and gearing. Plan on opened up intake and exhaust sytem, best cooling mods, 4.11 gearing 4L80E, followed by Gear Vendors OD. Need to be able to split all gears and have lockup in 2nd/3rd/4th. Tan interior cloth, Bad ass dark blue (coming) aluminum wheels and air ride (coming)

  2. #2
    Join Date
    Dec 2000
    Location
    Walla Walla WA
    Posts
    69

    Default

    Turned out to be a 670
    1994 K2500 ext cab. Recently repowered with; Non-cracked 599 block, factory compression, used old DSG girdle for main caps. Factory for what remains. Changed diffs to 3.42. Fuel economy Hwy 22.5 mpg US, in town without lcokup in 2nd/3rd - 18 mpg US.
    1994 K3500 CC LB Silverado. Next project. Built for endurance, power and gearing. Plan on opened up intake and exhaust sytem, best cooling mods, 4.11 gearing 4L80E, followed by Gear Vendors OD. Need to be able to split all gears and have lockup in 2nd/3rd/4th. Tan interior cloth, Bad ass dark blue (coming) aluminum wheels and air ride (coming)

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