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1986 Caprice Coupe Twin Turbo DIY Build (update July 2008)

Discussion in 'The Turbo "Builds" Board' started by FlyingSkull, Feb 9, 2007.

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  1. FlyingSkull

    Joined:
    Feb 9, 2007
    Re: 1986 Caprice Coupe Twin Turbo DIY Build (update May 2007)

    Thanks for the comments, right now I am working out a fueling issue. Might be a clogged filter... should have it sorted out this weekend.
     
    FlyingSkull, Jun 28, 2007
    #21

  2. Chacata

    Joined:
    Jun 27, 2007
    Re: 1986 Caprice Coupe Twin Turbo DIY Build (update May 2007)

    Nice project. Me have some 5 speed 4 door caprice classic boey haha those donks are just crazy. Seriously i have a 5 speed caprice 4 door with a nwc t5 trans that as soon as i get tinkering with the engine will be swapped with a t56. I´m plannig to do a sngle turbo engine minor suspension mods (did you know these cars can actually handle?) and brakes and stuff. It´s a different and fun car to have.

    Good luck with yours.
     
    Chacata, Jun 30, 2007
    #22

  3. FlyingSkull

    Joined:
    Feb 9, 2007
    Re: 1986 Caprice Coupe Twin Turbo DIY Build (update May 2007)

    Some new updates:

    I have installed an intank BBK 255 lph pump and a new sending unit from the later FI Caprice models. It is working great. No more fuel starvation. On a quick test run last night I was easing into the throttle and seeing 5lbs boost with not much effort. The tires acted pretty greasy ;).

    I have M&H 275/50/17 drag radials on the way, as well as Spohn rear suspension parts coming in the mail.

    I just installed SSBC slotted rotors and dual piston calipers last night. Great braking performance and a good $$$.
     
    FlyingSkull, Aug 2, 2007
    #23

  4. FlyingSkull

    Joined:
    Feb 9, 2007
    Some new pics. Just recently got it to go rich under boost with the BG Mighty Demon! What a fight with that carb. Changed the hat to a single inlet, looks cleaner still quite a bit to tweak on. Lots and lots of go! The M&H tires bite very nicely!

    Crappy cam phone pics of new setup...
     
    FlyingSkull, Jul 21, 2008
    #24

  5. FlyingSkull

    Joined:
    Feb 9, 2007
    More Pics
     
    FlyingSkull, Jul 23, 2008
    #25

  6. loweredd

    Joined:
    Sep 26, 2005
    :doh:Holy cow man! I don't know how I missed this! It looks like you have a crap load of room between the engine and fan. :2thumbs:
     
    loweredd, Sep 4, 2008
    #26

  7. FlyingSkull

    Joined:
    Feb 9, 2007
    Yeah these big cars are good for that, lots of room.

    Its a bit tight for the down pipe on the driver side however, the brake booser and master are close, as well going between the steering arm and header. I am probably goiing to go to a front mount turbo setup, Its really packed in by the headers so its hard to tighten bolts and get at a few things. But it worked well for a first try/home build setup.
     
    FlyingSkull, Sep 5, 2008
    #27
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