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Thread: 2000 silverado tb heater bypass

  1. #1
    Join Date
    Nov 2007
    Posts
    19

    2000 silverado tb heater bypass

    Has anyone bypassed the tb heater and gained anything. I see these kits on e-bay and they claim 8 hp.

  2. #2
    Join Date
    Jun 2007
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    saratoga springs ,new york {upstate ,adirondacks }
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    i did it and didnt see a bit of difference.they say its only to heat the tb in winters up north.so if youre from the south no worries .just do it it cant hurt ,im iinthe north and my tb works just fine.and its free and easy just link the 2 lines together and done .i threwsome caps on my in/out were it hooks to tb just in case of dirt or some foreign objects didnt get in it.good luck
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  3. #3
    Join Date
    Sep 2007
    Location
    spring TX
    Posts
    176
    all free mods will add up. just do it to have it done.

  4. #4
    Join Date
    Mar 2006
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    Mesquite
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    8,176
    The search button is your friend.

    Write up with pics here.

    You won't see or feel any gains, but it doesn't hurt anything, so it's just a matter of whether or not it's worth your time to do it.

  5. #5
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
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    11,120
    like the green 6.0 said even if it adds 1 hp eventually these little helpers will add up, its designed to heat the throttle body during cold temperatures ? but wouldnt the coolant in the lines be cold until the truck warms up anyways, which by that time the heat from the motor would keep the TB from freezing anyways right. We should be GM consultants hahahha
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  6. #6
    Join Date
    Jun 2005
    Location
    Way up in North Dakota
    Posts
    346

    I might b wrong but

    It doesn't have to get very cold for carburetored engines to ice up. Up here in ND all the cars sold here had cold weather stuff like hot air intakes that took heat off the exhaust manifolds untill the air cleaner temp was at operating temp. Even with that-- cars [ OK they were Toyotas, I worked at a toyota dealership] would freeze up when it was snowing wet stuff right around the 32o point. The amount of moisture in the air and of the temp of the air [ I think it is called dew point] , the venturi effect of the throttle and the temp of the carb will determine the ice up point.

    In our truck engines.
    With the throttle body being metal between two pieces of plastic I wouldn't try it [ a by-pass ]up here in the winter.

    In ten minutes I will think of what I should of said.

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    2002 GMC 1/2 ton Sierra,4WD, Xct cab, camed, mid-length headers, Nelson tune, electric rad. fan, trany cooler, Heavy 5750 lbs with topper.

  7. #7
    Join Date
    Aug 2007
    Posts
    1,105
    Quote Originally Posted by Quik View Post
    dont pay for something you already have. just bend you coolant tube nipple over some and slid the hose on it. no reason to cap the TB off cause it wont matter since the dirt or anything wont go into the motor. aftermarket TBs dont even have it
    my BBK 80mm had the tube runin through it! i've heard that the by pass isn't even worth doin it though?
    2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!

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  8. #8
    me and my friend that can customize just about anything did it, but we moded my intake, put a K&N highflow filter and a JET performance throttle body spacer on at the same time. Obviously i noticed better throttle responce but i dont know if the tb by pass had any effect. But i would say to try every thing I did its a guaranteed performance boost.

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