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  1. #11
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    dwill3015's Avatar
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    Quote Originally Posted by Dj Friction View Post
    You know you got me thinking about this .....and frankly I didn't really put much thought into the idea, however, I started looking for a spacer for my 95 2500 Suburban 4x4 7.4 TBI. There is no listing for that model.
    They have a listing for the CK Pickup 7.4, but the carb numbers do not match.

    Any idea's why????

    Is it the air cleaner spacing?

    Computer make-up

    ?????Any Help
    Thanks
    I looked on the JC Whitney website and found listings for your application. Here is the link
    Darcy
    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.

  2. #12
    Jr. Mechanic
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    Yes.....dwill.....Thanks for the heads up, I just read the link and it does seem to be the fit. I wonder why the more custom sites did not list the item?

    Oh well, Hey one more question........Smooth or Swirl??????

    Does it matter????
    Just Another Day in Paradise...

  3. #13

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    supposedly the ones with the swirls help increase turbulence, which would in turn get more air into the cylinders, or preheat it, or some BS like that...I don't particularly buy into TB spacers. How can it increase power/performance AND increase fuel mileage? However, if they work, I'm ll for anything that can buy me more MPG...
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 277K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



    There are 10 kinds of people, those who understand binary, and those who dont...

    Remember kids, the only difference between screwing around and science is writing it down- Adam Savage

  4. #14
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    dwill3015's Avatar
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    I think when I bought mine there was only the swirl version. It really did boost performance. I feel as far as getting better MPG's, driving style plays a big part. When I installed a K&N CAI on my wife's 2001 Suburban 5.3, it was like night and day with low-end response and acceleration so we went through a period of getting used to the new found power and used it often (I even raced a few kids and their imports from stop lights to show them the big red rig had some poop to it ) but also with an increase in performance, the less pedal you have to give it to move the big rig so in the long run it did improve mileage.

  5. #15

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    Quote Originally Posted by dwill3015 View Post
    (I even raced a few kids and their imports from stop lights to show them the big red rig had some poop to it

    Easy now!



    Jamie

    2007 Ford E250(Work van) (Ya, Ya, shut up!)
    1996 GMC Sierra SLE 1500 5.7L/4L60E

  6. #16
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    Quote Originally Posted by Cableguy View Post
    Easy now!
    I may be 41 but give me a reason and it feels like driving my 1970 Chevelle in hi-school all over again.....

  7. #17

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    i guess ill pick one up next week then.

    i like the sound they make too.

    any suggestions on what brand spacer to buy ?


    i got my shift kit in today and it really made a difference on the feel of the shift. but i dont recomened a chip it doesnt seem to have done anything.
    Last edited by tgibson12; 07-26-2007 at 10:19 PM.

  8. #18

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    i was advised to have the throttle body ported instead..its more expensive but the performence difference is supposed to be better

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