340 EFI upgrade and TCI 6x autotrans

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    Author Topic: 340 EFI upgrade and TCI 6x autotrans  (Read 2288 times)

    Offline GreenFishie

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    340 EFI upgrade and TCI 6x autotrans
    « on: March 04, 2014 - 11:02:10 PM »
    I'm in the very slow process of taking my 73 Cuda down to the skeleton, but I want to get my ducks in a row so that I'm not waiting on critical components.

    Does anyone have any driving experience with either of these compenents with a 340? Would anyone have suggestions as to a sturdy rear for this drivetrain? Heads?
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    Offline 360FISH

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    • BS23H3B567746
    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #1 on: March 15, 2014 - 11:47:12 AM »
    I have a 360...  340's kissing cousin... I've been running the FAST EZ EFI throttlebody system for a year now and I really like it.  Easy install, self learning but customizable, better fuel economy, no cold starts anymore...  all around a good investment especially if you like long haul driving.

    I have the version one model and hear the version two's are having problems...  version ones are still available as far as I know.

    Good luck with what you choose.

    Alan
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    1973 ‘Cuda   Semi-Pro Touring
    360 SB - 518/OD auto tranny - FAST EZ EFI - Edelbrock Fuel sump - HHR fan
    Hella H4 headlights on relays - 97 Dodge Avenger seats - Chin spoiler - Bumpers pulled in to ’72 offset

    Build: http://www.cuda-challenger.com/cc/index.php?topic=74674.0

    Offline JoeGrapes

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    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #2 on: March 15, 2014 - 09:17:48 PM »
    360fish, can I ask what you did for the fuel pump?
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    Offline 360FISH

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    • BS23H3B567746
    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #3 on: March 16, 2014 - 03:18:28 AM »
    Quote from: JoeGrapes on March 15, 2014 - 09:17:48 PM
    360fish, can I ask what you did for the fuel pump?

    I just put in an Edelbrock 3607 EFI Sump Kit .  Replaced the Walbro pump I had mounted external to the fuel tank.  No more noise from the "quiet" pump...  I highly recommend it.
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    1973 ‘Cuda   Semi-Pro Touring
    360 SB - 518/OD auto tranny - FAST EZ EFI - Edelbrock Fuel sump - HHR fan
    Hella H4 headlights on relays - 97 Dodge Avenger seats - Chin spoiler - Bumpers pulled in to ’72 offset

    Build: http://www.cuda-challenger.com/cc/index.php?topic=74674.0

    Offline GreenFishie

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    • Posts: 149
    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #4 on: March 16, 2014 - 03:48:51 AM »
    Thanks for the feedback.

    EFI conversions are becoming more commonplace ... but it is still hard to find folks that have actually done it.

    I'll look into your recommendation as well as keeping an eye out for anyone with feedback on the pro-flo efi.

    As for the 6x auto from TCI ... I think I'm sold.

    I met up with a guy just south of Chicago today who put one of these behind a 427 "Yenko" bastard. Just a guy that crammed a 427 into a 71 Camaro and then decided to supercharge it ... and then settled on the 6x because he didn't want to chop up his tunnel to fit a t56.

    I was more than impressed .... I'm still trying to unclench.
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    Offline JoeGrapes

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    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #5 on: March 16, 2014 - 08:43:31 AM »
    Thanks, that's exactly what I am going to do. Where did you mount the pump? Also, I was told by FAST that their system needs to have a returen fuel line and I thought the Edelbrock Sump did not have one.
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    Offline JoeGrapes

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    Re: 340 EFI upgrade and TCI 6x autotrans
    « Reply #6 on: March 16, 2014 - 11:35:55 AM »
    I found your posting with pics of the sump install. I like it.
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