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BBK 80mm Throttle body or SLP Y-Pipe

This is a discussion on BBK 80mm Throttle body or SLP Y-Pipe within the General Help forums, part of the LSx Technical Help Section category; I have enought money to get a BBk 80mm throttle body or a SLP Y-Pipe. Which is better in terms ...

  1. #1
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    BBK 80mm Throttle body or SLP Y-Pipe

    I have enought money to get a BBk 80mm throttle body or a SLP Y-Pipe.

    Which is better in terms of horsepower and bang for the buck.

    Thanks, jason
    MTI Clear Lid (Free Ram Air Mod Raised Air box) Larger MAF Ends,K&N Filter, SS Exhasut with cut out, rear Lower control arms,smooth bellows,12.894@107.10MPH Dynoed 316 HP (Before RLCA and smooth bellows) 8.3.12 @86.86 1/8th mile 121,000 miles

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    Get the throttle body cuz you don't need the y-pipe unless you're getting longtube headers as well.

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    I was thinking of getting the y-pipe cux I think the way the pipe on the driver side crushes down to about 1" realy hurts the HP.

    But I know how much the LS1's l;ike more air so it looks like the TB will be in my future


    thanks

  4. #4
    SUPREME member-oderator oneBADDz's Avatar
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    Get the y-pipe and port your existing throttle body

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    ruff ruff rotwiler's Avatar
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    LT's, 3400 stall, FIPK,CB
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    I'd skip both. The Y is flat and wider, so flow isn't going to be much and not worth the $, plus if you ever do headers the Y is garbage. Port your own TB and use the $ for other mods. I honestly think the Y is one of the first mods people do and later when people ask, what money did you waste when you first started modding your car.
    Last edited by rotwiler; 05-12-2006 at 08:07 PM.

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    member since may 2000 nhraformula's Avatar
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    both are a fuckin waste, save youre money
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  7. #7
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    01 Z28

    Quote Originally Posted by tx77015ls1
    I was thinking of getting the y-pipe cux I think the way the pipe on the driver side crushes down to about 1" realy hurts the HP.

    But I know how much the LS1's l;ike more air so it looks like the TB will be in my future


    thanks
    To iterate nhraformula ... the cross sectional flow area of the crush pipe is the same as the rest of the stock y-pipe and has no impact on hp.

    As far as the TB ... you have a 75mm MAF and a 75mm intake, sticking a 80mm TB in the middle isn't going to get you anything other than tuning problems.

  8. #8
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by nhraformula
    both are a fuckin waste, save youre money
    X2!

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