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  1. #1

    Default Newbie with a 305

    Hey guys. Im new to the forum. I just purchased a 86 Chevy K-10. It has a 305 with a quadrajet. A 3 speed with overdive stick, and 3.73 gears. This truck is totally untouched and as stock as they come besides some dual exhaust. The truck has 101k on it. The truck is an 86 but was built in 85. This thing is really lacking on power which I figured it would. So my first question here is, what can I do to this thing. I know I can swap just about anything into it, but id rather not right now. My thought is to start eliminating the emisions stuff and put a open eliment air cleaner and headers on it for starters, What do you think about this? Any troubles I may run into? Thanks in advance. Brandon

  2. #2
    Master Mechanic tattooed4life's Avatar
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    Apr 2008
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    Stevensville MI
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    886

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    to the site!
    1997 Chevy K3500
    4x4 X-Cab Dually
    454 Dual Exhaust

  3. #3
    Legend kgibson181's Avatar
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    Jul 2009
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    Cedar Grove, NC
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    Welcome and the truck sounds nice!

    2003 Silverado 1500
    V8 4.8L 294ci
    2 inch Pro Comp Leveling Kit
    3 inch Rough Country Lift
    33 inch Nitto Terra Grapplers
    5% Tint All Around
    2 12" Kenwoods

  4. #4

    Default

    no problems if I am not mistaken you can put a 350 intake and heads on it and this will give you a lil more umph for cheap
    08 silverado
    4.8
    K&N cai
    single in dual out cherry bomb pro
    leveling kit
    custom painted bow ties
    Bed liner
    Tinted windows
    20inch Cruser Alloy Switchblades
    Goodyear Eagle GT2 285/50/20
    1 truly heavy foot + Wait4meperformance SCT Handheld
    100 shot of Nitrous Dyno tune system
    SS front bumper
    Matching painted front grill and bow ties

  5. #5

    Default

    Welcome to the site!

    Bobby - North Carolina
    2008 4x4 5.3L V8
    6" Suspension Lift and 1.5" Body Lift
    20x9 Ballistic Jesters w/35" Toyo Open Country MT's & 1.5" rear wheel spacers
    4:56 Yukon Gears
    Hypertech Speedometer Calibrator
    Baja style bed mount spare tire carrier
    Flowmaster 40 series dual exhaust
    Recon Smoked LED tails/3rd brake lights/black projectors w/switchback LED's in the corners
    N-Fab Nerf Steps
    K&N CAI
    No Fear Pedals
    Tint, Line-X bedliner, Window visors, Rear wheel well liners
    Painted front grill, bow ties and door badges, de-"lettered" tailgate
    Powder coated front and rear bumpers

  6. #6

    Default

    Welcome aboard.

    Those 305s are dogs, not much you can do about it. I would personally be looking for a TBI 350 from a 87-91 blazer or sub and swap it in. You will be very happy. Another approach would be cam, intake, carb upgrade.

    As for the 350 heads, most people like the 305 heads better.
    When you hear hoofbeats, look for horses not zebras.

  7. #7

    Default

    Welcome. I had an 85 305 and I removed the AIR pump, disabled the EGR, rerouted the vacuum advance and opened the air cleaner and exhaust cold weather doors. It made no difference.
    A dog is a dog. <G>
    I then installed a crate 350 and that solved the problem except it was carburated. In retrospect I should have bought a used low mile TBI motor.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  8. #8
    Master Mechanic zubbiez's Avatar
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    Feb 2009
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    Eagle Mountain Utah
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    Welcome to the site...............
    2000 Silverado Z71 Whipple Supercharger, JBA Headers,3" cat back Flowmaster Exhaust, Volant cai, Pioneer Preimer deck,Orion subwoofer,03 signal light mirrors,03 taililghts

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