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Thread: Potato Gun

  1. #1
    Join Date
    Aug 2006
    Location
    Willis, TX
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    Video
    Am I a cool dad or what? Its a racket ball I am shooting about 200 yrds

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  2. #2
    sprayed99 Guest
    Sweet Make me one

  3. #3
    Join Date
    Feb 2007
    Location
    Sallisaw OK
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    2,194
    thats awesome i want one
    1996 gmc ext cab short bed
    6.6L 4l80e
    MY GARAGE

  4. #4
    Join Date
    Apr 2005
    Location
    belton, tx
    Posts
    747
    i've seen a similar set up using hairspray. does starter fluid work better?
    2013 2wd Z71 6.2 crew cab

    Old Truck: '04 Chevy crew cab stroked/bored 6.0 to 408ci. forged internals, patriot 68cc stage 3 heads (11.1:1cr), comp 244/246 .600 115lsa cam, 3000 yank tc, built 4L60E, walbro 255, 60# mototron injectors, pacesetter lt's 4" single no-cat exhaust

    best time 12.93 1/4 mi @ 103 in the turbo truck.

    1968 Camaro Convertible, super sweet!

  5. #5
    Join Date
    Aug 2006
    Location
    Willis, TX
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    stssilverado' date='Mar 12 2007, 10:38 AM' post='86050']
    i've seen a similar set up using hairspray. does starter fluid work better?

    Hairspray is what most ppl use...i could never get it to light....with starting fluid it only takes a small shot and works real well.
    I am thinking about installing an O2 sensor so I can keep the A/F around 14.7

    Heres a good website for plans and info Info

    05 RC, LME 6.0, 243 Heads, LSA Rods, 11:25 Forged Pistons, Cam Motion Custom Grind, 4:10, Eaton LSD, Narrowed Rear-end w/ Chromoly Axles, Pacesetters LT's, SLP Loudmouth II Mufflers, Volant CAI, Yank SSTB3600, Bosch 42 lbs inj's, G-Force Tune, FLT Level 4 Trany, Belltech 2/4, Times: ?
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  6. #6
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    i always made them as a compressed air shooter. it takes out all the variables...basically the same exact design but no igniter and a ball release valve where the barrel starts...make the rear of it totally sealed with no cap and put a valve stem in the back of it so you can fill it up like a tire. get it around 200 psi and it will shoot way farther than any gas filled IMO. only problem is you gotta have a pretty nice compressor to get 200 psi. it still does good around 140 psi too.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

  7. #7
    Join Date
    Oct 2005
    Posts
    147
    I have had the best luck with cheap hairspray.
    You can overload the chamber with it if your not careful and "flood the ignition"
    Just a little and I can send a tater a little over 300 yards with about 12 inches of fire out the end of the barrel.
    Just not a good idea to shoot in the city.
    '92 Fullsize, swb rc
    5.3L/T56 conversion, comp XR275 HR cam .566/.568 lift 222/224 duration 112 lsa, crane dual springs, trick flow push rods, K&N Filter, Nelson Performance tune, Keisler shifter relocation kit, Boyd Coddington Smoothie II 18x8 235/55 up front, 18x10 295/45 out back, 2/4 drop, eaton lsd w/4.56 gears

  8. #8
    Join Date
    Dec 2006
    Posts
    25
    fun stuff.

    http://i123.photobucket.com/albums/o...ewody/Wody.jpg
    2005 Silverado SS: outlaw c.a.i., msd 8.5 wires, custom 3" dual exhaust, pacesetter l/t's, magnaflow highflow cats, magnaflow x pipe, flowtech cutouts, magnaflow mufflers, ported throttle body, 160* t-stat, revolution raceworks tune, precision "big mouth" grille, pioneer avic n-3 nav/dvd, alarm and remote start.

    1931 buick 8

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