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  1. #1

    Default Greetings from Oregon City, OR

    I am resurrecting my 1990 GMC Suburban 1500 4x4. It needs to get some love. It sat for 4 years in my back lot. I added some starter fluid, some Turbo 108 and fresher gas to the tank, a new battery, and it started on the second crank....

    I need help in 2 areas: I need to upgrade the lighting and I need a source for custom engine chip programming.

    First and easiest (I hope) is getting projector headlights for my 1990. It has a pair of sealed beam headlights along side each other on each side of the front grille. I have tried several sites but I do not believe they are offering the right lights for this model year. Does anyone have experience with these 1990 models and a source for projector beam headlights?

    Second is the custom chip. I have had my Chevy 350 rebuilt for a supercharger but I am now beyond the air/fuel map. At idle, I am OK. As soon as I come off idle, way too lean. So I need larger fuel injectors. perhaps a higher pressure fuel pressure regulator, and a custome chip. I need help on this one especially.

    Thanks Jim

  2. #2
    Eddie Z71's Avatar
    Join Date
    Mar 2009
    Colorado Springs, CO
    Blog Entries


    Hi, and welcome to the site! Someone here should have some answers for you!
    Eddie , 2000 Chevy Tahoe Z71 (old style)

  3. #3
    TRPLXL2's Avatar
    Join Date
    Jan 2009
    Norwalk, Ohio
    Blog Entries


    Welcome to the site!

    I am not familiar at all with the 90's trucks, but I bought my projector headlights for my 05' from sport truck direct dot com. You might be disappointed in the light output from them though, a lot of people complain about the bulbs in them and often have to upgrade the bulbs.
    2004 Chevy Colorado
    LS1 5.7 swap/TBSS rear axle swap

  4. #4


    Welcome to the forum!
    If you find yourself slipping,.....tie a knot.....hold on tight

    2008 silverado
    1500 crew cab
    5.3 L 4x4
    Borla exhaust, rbp black tip
    tint, bed liner
    2.25 in ready lift leveling kit
    18x9 rbp 94r
    33x12.5x18 toyo mts

  5. #5


    Welcome to the site.

    '96 K1500, 5.7
    6" RCD
    35" Toyo M/T On 16" Black Raceline Raptors
    4.56 Yukon Gears w/ TruTrac Rear
    S&B CAI
    Dual Flowmaster 40's
    Camo Wet Okoles
    Line-X Bedliner

    NW BlackDiamond Edition

  6. #6


    Welcome from Scappoose OREGON

  7. #7

    dwill3015's Avatar
    Join Date
    Jan 2007
    Yacolt, Washington
    Blog Entries


    Welcome to the site! Hopefully some of our vendors will help direct you for the chip and even lighting if possible.
    Washington State
    2006 Silverado 2500HD LT3 4X4 CC SB Duramax LBZ
    Tuff Country 6" lift, 35" Toyo M/T's on 20" Ultra Peacemaker wheels, Quadzilla Stealth2 programmer, Diamond Eye 5" cat-back exhaust, factory Special order color Yellow.

  8. #8


    Thanks all for the welcome.....I have previous experience with projectors in my Synchro Vanagon....I need the projectors because the light reflectors in these headlights are designed so that glare is minimized for on-coming drivers....I intend to upgrade to 8K HID's and I don't want to be blinding other drivers. I see many trucks with the cheap bulb only upgrades and the light reflectors in these headlights cause so much glare it is dangerous.

    Another question for the group...especially Oregonians....I need a cargo box fab'ed out of square profile aluminum....any ideas on good welder's that can tackle this job?

    If anyone sees crank driven superchargers for sale and aren't interested, please forward info to me! My 350 is built for this application (8.5:1 compression, ported, complete Edlebrock top end, ARP bolts, Edelbrock throttle body, Edelbrock headers. All I need now is the S/C, more fuel, and a chip!

    Have a great weekend

  9. #9
    Master Mechanic
    Join Date
    Sep 2008
    Dallas, Texas
    Blog Entries


    Welcome to GMTC

    Suburban Parts
    Visit for all your Chevy Parts needs. These are factory OEM GM Parts with full GM warranty (unless otherwise stated).

    Parts For: Buick / Cadillac / Chevrolet / GMC / Hummer / Oldsmobile / Pontiac / Saturn

    877-347-6220 (New Expanded Hours)
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  10. #10


    Welcome to the site! Some of the gear heads will be along soon and help out!

    2010 Z/71 Colorado C/C
    Black 4X4 w/5.3L V8
    2007 Winnebago Adventurer
    w/8.1L Chevy & Allison 6spd.
    Canyon Lake, Texas

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