Thread: My 87 Grand National Build and 99 GT

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  1. #1 My 87 Grand National Build and 99 GT 
    GT Level Member Yarbeau's Avatar
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    I was asked to share some pics of my 87 grand national resto in my introduction thread. I thought I'd post it up in this forum as it seems the most relevant.

    Anyways 87 buick grand national. As most of you know it comes with a turbo 3.8l v6 from factory. rated somewhere around 260HP stock. simple bolt on get you massive gains from this black beauty.

    Anyways picked mine up last year. took it to the track a couple of times and ran 11.9 as my best time. I'm not the most experienced driver out there and it forsure can launch a ton better but I was happy with that performance.

    Winter came and I started to tear apart the interior. wanted to replace carpet, get the seats re done etc.. pulled out the carpet and the floor came with it.
    completely rotten.

    Previous owner undercoated it and didnt clean and prep the surface before applying and trapped all the grime/moisture underneath. It is a t-top car so that fed the fire for a while.

    Heres some pics. its been a long journey finding nothing but surprises. Wheel wells were pretty bad. but we are through cutting and into replacing now!

    Shes plenty dusty as you can imagine with the cutting grinding welding sweeping etc! not touching it and trying to keep "little' hands off as nothing good will come to the paint when hand meets metal shards meets paint.....











    Repaired rear t-top rail

    yet to be repaired front t-top rail



    no rust on rockers or rear panels etc...



    trunk driver wheel well complete.

    trunk passenger wheel well almost complete. few touch ups to go.

    hung a new gas tank as it was bound to rust out as well. new 2.5 stainless exhaust flowmaster.

    fabbed up rear seat panel. finally got somewhere with this.

    I dont have pics of the floor pans but they are brand new as well. ready to go.

    as for the DD
    99 GT debadged. no time to do anything on her yet. besides the debadging.







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  2. #2 Re: My 87 Grand National Build and 99 GT 
    The Blue One blueguy's Avatar
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    Man that sure sucks about the floor on the Grand Natty...but it sure looks like it is coming around. What mods did you have on it when you ran an 11.9x? JW...

    Nice looking bronzemist GT too...get those windows tinted and it'll look a ton better too
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  3. #3 Re: My 87 Grand National Build and 99 GT 
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    awesome car(s)!

    The gp needs the headlight housings drilled.
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  4. #4 Re: My 87 Grand National Build and 99 GT 
    GT Level Member Yarbeau's Avatar
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    I know! headlights need some upkeep. No time to do it!

    eventually I want to do halo's or something. but there is a LONG list ahead of that
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  5. #5 Re: My 87 Grand National Build and 99 GT 
    GT Level Member Yarbeau's Avatar
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    As for mods to the GN

    Upgraded turbo to a Garret turbo. puts out 26lbs of boost
    methanol injection.
    injectors obviously upgraded when the meth went in.
    hooker headers
    art karr tranny w/b&m "sport" shifter
    rear end swapped as well. dont remember at the moment what previous owner said.
    I have it all documented somewhere


    The previous owner shipped the whole thing out in 07 for a full rebuild.
    block was honed not bored and replaced pistons rings heads etc..

    I cant remember the build off the top of my head but it is quite impressive.
    This thing is something else.
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  6. #6 Re: My 87 Grand National Build and 99 GT 
    resident snitch gtpinsc's Avatar
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    i think i just had a orgasm in my pants.... i would love to come across a GN.

    02 GTP with mods 05 GP for DD
    Quote Originally Posted by SuperSport View Post
    The majority of the people here are potheads who want to buy good condition parts at junkyard prices.
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  7. #7 Re: My 87 Grand National Build and 99 GT 
    PittState Automotive Tech GAFF's Avatar
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    Quote Originally Posted by gtpinsc View Post
    i think i just had a orgasm in my pants.... i would love to come across a GN.
    buddy is selling one for 5000 its a 84 all original
    SOLD 1999 GT Silvermist TS
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  8. #8 Re: My 87 Grand National Build and 99 GT 
    donated to get this wow TorqueAutoMotiv's Avatar
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    id trade my car straight up for one of those whith out tthought

    98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels
    http://www.cardomain.com/ride/3338681
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