Thread: Dropped pulley! I need help!!! Want 300hp!!!

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  1. #1 Dropped pulley! I need help!!! Want 300hp!!! 
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    I dropped to a 3.2 pulley. Tuned it.
    From 259HP & 254TQ
    It got 266HP & 267TQ
    from 5 PSI went up to 7 PSI
    No Knock, just .01 to .04

    It produced 12 to 16 Horsepower till 5000rpms
    From 5000rpms to the redline, it only gained 5 to 6 HP

    I believe its time for springs and retainers.
    I will upload some pics of springs I have with retainers for help.

    The guy who tuned it told me it was not producing more horsepower up top
    Because of the supercharger getting too hot.
    It may be true. But i dont know

    My mod list:
    -Stage 1 intense blower cam
    -Fenderwell Intake
    -eBay headers
    -full 3" mandrel exhaust
    -autolites 104
    -180° thermostat
    -3.2 MPS
    -Shift kit
    everything else is stock
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  2. #2 Re: Dropped pulley! I need help!!! Want 300hp!!! 
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    Your valves are floating?

    Didn't we discuss this last time?
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  3. #3 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    You should be on a 2.7 pulley that's where the power is.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  4. #4 Re: Dropped pulley! I need help!!! Want 300hp!!! 
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    ok here's the deal.
    i have yellow springs and grey with some orangy markings
    been told that yellows were LS6 and greys LS7, LS3 & LS9
    heres the pic

    the middle one is grey the right one yellow and left stock L67 and the retainers ive got.
    they dont float
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  5. #5 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Something I've "been told", sounds like something I would throw power at for sure.
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  6. #6 Re: Dropped pulley! I need help!!! Want 300hp!!! 
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    what do you mean?
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  7. #7 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Do you know what they are?
    Did you install them?

    Have you even read the safely modding your 3800 thread?
    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  8. #8 Re: Dropped pulley! I need help!!! Want 300hp!!! 
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    yellow are ls6
    greys were given to me
    the guy told me they were
    LS3, 7 & 9!
    i have not mounted anything yet because i don't know which is better
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  9. #9 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Quote Originally Posted by W-Body Store
    Remember, GM engineers didn't take into account your need for speed.
    Daily Driver: 06 Grand Prix GT / 9.4:1 CR / IS3 Heads / Ported Gen V / ZZP Headers / HPT Pro / Pulleys: 4.25, 3.8, 3.5, 3.4, 3.2, 3.0, 2.9, 2.7
    Projects: 86 Monte Carlo SS / 98 Sonoma / 74 Honda CB750
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  10. #10 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    the dyno chart and scan may help some.
    2001 GTP PT61 Turbo, E85, Stock Motor
    2011 Chevy Cruze MT6 1.4L Turbo
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  11. #11 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    GXP Level Member Poil336's Avatar
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    weren't LS6 springs only like 90#? also, taking a shot in the dark here, but i believe those springs aren't interchangeable. aka the LS6, 7, 3, and 9 didn't use the same ones.
    99 GT - top swapped, S2X cam. - sadly, sold
    96 Firebird Formula - T-tops and exhaust leak. 14.26 @ 97.8 - sold
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  12. #12 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    Turbo is the way to go. BillBoost37's Avatar
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    With that cam, you need springs or float is a given. Also the potential to break a spring is much much much higher with a stocker. If you don't know what the springs are, please..don't use them.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  13. #13 Re: Dropped pulley! I need help!!! Want 300hp!!! 
    The Blue One blueguy's Avatar
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    Wheeeeeeeeeeeeeee, valve float.

    Also, LS6's are blue now, no longer yellow.

    105's would be your best choice since they are easiest on the timing chain as well...which shouldn't be an issue because you should have replaced that with a new dampner when you installed the cam.

    If it was done correctly.
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