Bbc th400 tourque converter ?

Discussion in 'Automatic Transmission' started by 87scotty, Oct 9, 2017.

  1. 87scotty

    87scotty Full Access Member

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    Getting ready to drop my 468 500hp 500lbs in place of the almost dead 350! I'm wondering what tourque converter to buy its got a 280hr cam 4.10 gear and 36inch tire! Jegs said b&m 20412 or tci 240900 just wondering if you guys had some input? This is a driver, puller, offroader truck and I plan on putting some good cross country miles on her! 87v20
     
  2. gpmorgan

    gpmorgan Full Access Member

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    I would look at your cam recommendation. Probably a 2500 to 3000. Keep in mind thar it will stall more in a bb application.
     
  3. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    High stall is definitely not conducive to good road manners or fuel mileage.
     
  4. 87scotty

    87scotty Full Access Member

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    Yea that why I was thinking the 2400 I don't want to make it a pita driving through a city or pulling camper boat ect
     
  5. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    Also small converters, how ever racey, cause a lot of heat build up. Also put as big a cooler on that tranny as you can afford any stall converter creates more heat then stock it's the slipping thing.
     
  6. 87scotty

    87scotty Full Access Member

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    Right I'm gonna run tandem keep things cool I just assumed with my cam is have to have the stall to keep it from falling on its face
     
  7. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    It's a big block they don't generally fall on their faces als if you get much above that in torque you will need a converter with an anti ballooning plate.
     
  8. 87scotty

    87scotty Full Access Member

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    500 is where this trick is gonna stay maybe one day when I drop the BBC into a chevelle then ill be wanting more but that'll be years down the road
     
  9. gpmorgan

    gpmorgan Full Access Member

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    Yeah, after looking at the cam specs, a 2400 would be more in line. .500 lift isn't a huge cam for a bb.
     
  10. 87scotty

    87scotty Full Access Member

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    No was keeping it street friendly 9to1 cp I ordered the tci 240901 after talking to tci on the phone
     
    Last edited: Oct 13, 2017
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  11. Honky Kong jr

    Honky Kong jr Super Sarcastic Man

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    Good choice never heard good stuff about B&M converters.
     
  12. 87scotty

    87scotty Full Access Member

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    yea there deffinetly cheaper alot of bad reviews
     

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