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  1. #1

    Default 1994 Stroked to 383ci

    Hi everyone! I'm new to the blog so please bear with me in case this questions has been asked before. I have a 1994 GMC thas I stroked to a 383. I use the truck for mostly towing a travel trailer and it does great when it's running right. Lately, i've had a problem with warming up. It idles high, shifts hard and the service engine light comes on. If I drive it a few miles and turn it off for awhile and restart, it runs fine. In addition to that, when I start out of the city, going to a higher elevations, it goes into limp mode and starts making loud hissing sound like something is clogging the air flow. Can these problems be related? Thanks for your help and it will be greatly appreciated.

  2. #2

    Default

    Welcome to the GMTC, it is good to have you aboard. I'm sure you will find the help you need on here. You might try looking in the technical area.


    2002 Chevrolet Silverado Extended Cab SportSide: See Mods in My Garage

  3. #3
    Master Mechanic
    Dirty Dog's Avatar
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    Default

    Welcome to the club and enjoy the site....

  4. #4

    Default

    Welcome to the site. Sadly, I can't provide you with a whole lot of assistance on that issue directly, but like donyms said, check out the technical forums or even try copying your thread over to there. You should get some responses pretty quickly. Good to have you on board.

    To Be Completed (Eventually):
    6" BDS Suspension lift | KingShocks Front and Rear Coil Overs | 4.56 Gears | 35" A/Ts (TBD) | Cervinis 07-12 Silverado Ram Air Hood | Fab Fours Front Winch Bumper (CS07-H2051-1) | Fab Fours Full Size Rear Bumper (CS07-W1850-1) | RX-2 Series Main Grille (Black) | Line-x Bed and wheel wells | Skid Plates | Rizor Automated Tonneau Cover | Custom Bed Insert | RBP RX-3 Series Nerf Bars | Kenwood Excelon DNX9990HD | JL Audio Stealthbox (2x500RMS) | JL Audio HD 1200/1 Class D Mono Amp | JL Audio C5-653 Components (Front) | JL Audio C5-650 Components (Rear) | JL Audio Slash v2 300/4v2 Class A/B Amp

  5. #5
    Legend


    mfleetwood's Avatar
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    Welcome to the Club!!!


    Mike (Denver, CO) - 2008 Sierra 1500 Z71 SLE 5.3L 4WD

    SUSPENSION: Rancho 4" Suspension Lift; Rancho RS9000XL Shocks; Rancho Skid Plates; Rancho MyRide Wireless Shock Controller;
    TIRES:
    BFG All Terrain KO 315/70/17
    DRIVE TRAIN: 4.56 Gears; Detroit TrueTrac Differential; True Cool 40k Transmission Cooler
    PERFORMANCE: DiableSport Predator Tuner; Custom Tuned by Diablew; Magnaflow Exhaust; AFE Cold Air Intake
    ELECTRONICS: Kenwood DNX6180 Touchscreen; Subthump box w/10" Kicker; Driver Information Center (DIC); Rear View Camera
    ACCESSORIES: Westin Brush/Grill Gaurd; Westin Nerf Bars; Truxedo Tonneau; 20% Tint; Tow Mirrors w/Heat & Signals

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