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  1. #1
    Jr. Apprentice
    Join Date
    Apr 2009
    Grand Forks AFB, ND

    Default TBS brands and types?

    im looking to throw down on a good Throttle Body Spacer for my 2000 silvy 5.3, and found some good prices on summit racing..for my particular specs they offer about 8 brands/types..brands like trans-dapt, trick-flow, JET, airaid..types like smooth, curves, hell even a ribbed-wavy looking one.

    how can i know what does what? FYI im looking for more power, less whistle
    1995 Chevy S-10 Z71 4.3L
    2000 Chevy Silverado LT Z71 5.3L

  2. #2


    A lot of people will tell you it's a waste of money...which I believe unless you have tbi or carb. Or maybe if it's made of a composite material that does not transfer heat to the t.b. like the aluminum ones. I had a composite one on my gp

    - '07 Silverado Classic - 4.3, 5spd, reg. cab, short bed, 2wd, silver....Magnaflow, K&N 63series kit, Hypertech Max Energy, CFM Tech tb, 180* tstat, McGaughys 2/4 drop, 275/55-17 tires(stock painted rims), billet grill, Pioneer cd, Sony Xplod speakers/sub, 1000w Crunch amp. Jba headers and Wynjammer s/c coming soon!
    - '98 Grand Prix GTP - modded - *SOLD*

  3. #3
    Jr. Apprentice
    Join Date
    Apr 2009
    Grand Forks AFB, ND


    thanks for the reply slow..i really only asked because there are quite a few posts on this forum talking about getting a good throttle body spacer. can anybody else confirm they are a waste of money?

  4. #4

    Cool TBS brands and types

    Before you buy a T/body spacer, check out They make a trottle body insert volocity stack that is good for 22ft lbs on a 5.3 motor and better trottle response. Ive tried both, and the Vararam seems to work alot better.

  5. #5


    I bought an AirAid PowerAid throttle body spacer, i can't hear it whistle, thats when im in the cab, driving, but if i got the hood open, quiet outside, and windows rolled down, i can hear it a little bit. I've noticed an increase in low end torque, if i could go back when i was deciding on buying it or not, I think i would still buy it.
    2002 Chevrolet Silverado 1500 z71 1985 Chevrolet Silverado k10 2006 Chevrolet Silverado 2500hd 6.6l LLY Duramax
    6.5" BDS Suspension Lift Edelbrock Carb & Polished Intake Manifold & Valve Covers NAPC Race Transmission & NAPC Built Transfer Case
    EFI Live Comp Cam and Valvetrain Snow Performance Methanol Injection
    35" Toyo Open Country Mud Terrain on 18" Ion Alloy 179's Headman Long Tube Headers and True Dual Exhaust FASS 150gph Titanium Series Pump
    AirAid Cold Air Intake with K&N Dry Filter & AirAid PowerAid Throttle Body Spacer 2" Suspension Lift 33x12.50r15 Tires EFI Live & AFE Stage 2 Intake
    Pacesetter Long Tube Headers with Cats Gone True Dual Exhaust FlowPro 3.73 Gears Yukon Grizzly Locker with Mag-Hytec Cover & Traction Bars
    NGK Iridium Tips & MSD Ignition Plug Wires Baja Spare Tire Holder 33x13.5 Hankook rt03 18" XD Rims
    Innovate LC-1 Wideband o2 Sensor x2 HID's all around LED taillights and 3rd brake light
    BDS Dual Steering Stabilizers Pioneer Double-DIN Touchscreen Navigation with Two 10" Subs under rear seat
    Electric Fan Autometer Pressure, Boost, and Pyro Gauges
    4.56 Gears Airlift Air Bag Suspension

  6. #6


    you would benifit more from a performance throttle body from some one like bbk makes a huge differenct in throttle response and flows better

  7. #7


    Quote Originally Posted by grimreapersshadow View Post
    you would benifit more from a performance throttle body from some one like bbk makes a huge differenct in throttle response and flows better
    ...and a new MAFS
    2005 Chevy Silverado Z71 in Black

    6" BDS Suspension Lift | 3" BDS Body Lift |17" Rock Crawler Stellies | 35" Cooper STTs | 4.56 Yukon Gears | AirAid CAI and TBS | Flowmaster 40s | HyperPAC Programmer

    2001 TJ Sahara in Sienna

    3.5" RE Suspension Lift | 33x12.50 Baja MTZs | D30/44 | ROKMEN Merc Front Bumper | Warn Rockcrawler Rear w/ Carrier | Warn M8000 Winch

  8. #8


    yeah with a new mass air flow you will pick up a few pony's even more if you have a cold air intake

  9. #9
    Jr. Mechanic TUTONE's Avatar
    Join Date
    Apr 2009
    Southern Ohio


    Here is a site you may be interested in. They have some good info on how the TBS works.

    1990 Chevy Suburban V1500 4x4 "Church Bus"
    5.7L TBI
    3" lift - 35" tires
    WARN Manual Locking Hubs

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