Thread: Cam or rockers? Topswap or HV3?

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  1. #1 Cam or rockers? Topswap or HV3? 
    GXP Level Member Kolton Lock's Avatar
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    Yes I have used the search bar already. Couldn't find any solid info.

    For a NA GP, would camming or rockers be better for performance? Why?

    Also for NA, is it better to do a topswap, or an HV3 insert?

    Now if I topswapped, would a cam or rockers be better?
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  2. #2 Re: Cam or rockers? Topswap or HV3? 
    GrandPrix Junkie Sandman's Avatar
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    Depends on what your goals are? Do you want to make a little more power and it be pretty easy? Or do you want power? How much are you willing to spend?

    The topswap and cam will give you the most power, an HV3 and rockers will give you a good bump and be simple to do.
    05 Saab 9-2X Linear (Saabaru)
    77 Morris Garage B
    Quote Originally Posted by TLSheff View Post
    You said "I'm done with it"... car says "Oh, really? *trollface*"
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  3. #3 Re: Cam or rockers? Topswap or HV3? 
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    Answers:

    Cam

    Topswap

    Cam

    If you are talking power to power relation then a cam and top swap will beat N/A mods any day.
    Last edited by Pure2sin; 05-17-2012 at 04:56 PM.
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  4. #4 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member JoRoW99's Avatar
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    A cammed topswap should be basement 13's with a pulley if you want to bench race. An L36 with HV3 and rockers might be low 15s. maybe.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  5. #5  
    GXP Level Member Kolton Lock's Avatar
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    I think I want more power. My limit is 2 grand
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  6. #6 Re: Cam or rockers? Topswap or HV3? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Quote Originally Posted by Kolton Lock View Post
    I want more power. My limit is 2 grand
    DD The GP and get a real car with more power... This is a plan you won't regret.

    If you MUST mod the GP, for 2k you can put on a good turbo.
    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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  7. #7 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member ctracer's Avatar
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    you only have 2k...dont go turbo, chances are you will need a trans and you WILL need a tuner and youll end up paying more than 2k for a turbo setup.
    for 2k....i would do a top swap, get a cam/headers. drop a pulley size to maybe a 3.6/3.5. scan for kr and tune.
    07 Black GXP.
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  8. #8 Re: Cam or rockers? Topswap or HV3? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Even on a topswap, you should get a tune. You can turn down turbo boost with a boost controller easier than swapping pullies.

    All it takes is common sense and not driving like a dbag and a trans will hold up just fine.
    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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  9. #9 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member JoRoW99's Avatar
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    NOS...no seriously.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  10. #10 Re: Cam or rockers? Topswap or HV3? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Quote Originally Posted by JoRoW99 View Post
    NOS...no seriously.
    You mean Nitrous??????????????????????????????????????????
    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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  11. #11 Re: Cam or rockers? Topswap or HV3? 
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    Quote Originally Posted by Explicit_Spade View Post
    Even on a topswap, you should get a tune. You can turn down turbo boost with a boost controller easier than swapping pullies.

    All it takes is common sense and not driving like a dbag and a trans will hold up just fine.
    NEED a tune for a top swap.

    Unless you plan on reusing your L36 injectors and TB.

    Which should never happen.
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  12. #12 Re: Cam or rockers? Topswap or HV3? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Quote Originally Posted by matt5112 View Post
    NEED a tune for a top swap.

    Unless you plan on reusing your L36 injectors and TB.

    Which should never happen.
    NEED is a strong word. As long as you're on a 3.8 pulley and don't abuse the car a GTP tune should be sufficient.

    That is one of those things that will never be confirmed though.
    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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  13. #13 Re: Cam or rockers? Topswap or HV3? 
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    Quote Originally Posted by Explicit_Spade View Post
    NEED is a strong word. As long as you're on a 3.8 pulley and don't abuse the car a GTP tune should be sufficient.

    That is one of those things that will never be confirmed though.
    Still won't.

    GTP PCM will have GTP trans settings which will not work with a GT transmission.
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  14. #14 Re: Cam or rockers? Topswap or HV3? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Ahh, you got me there. I wonder what would happen if someone tried it anyway.
    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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  15. #15 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member JoRoW99's Avatar
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    I ran my GT PCM with my L36 injectors for a while...but that was without boost and just so i could get around cuz WBS took like 3+ weeks to get me everything. Dont ever do it. I was also scanning at the time.
    '01 GT - Top swapped. ported SC/Heads/TB, SD headers, open cone, HPTuners, 3.4 MPS, 60#'s, E85.______________________SMGPFC #99_______________________
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  16. #16 Re: Cam or rockers? Topswap or HV3? 
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    The car will shift like crap and throw codes of you have the incorrect gear ratio in the PCM. Plus you will want to change the shift points for 3.29s.
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  17. #17 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member Grimsin's Avatar
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    Quote Originally Posted by Explicit_Spade View Post
    NEED is a strong word. As long as you're on a 3.8 pulley and don't abuse the car a GTP tune should be sufficient.

    That is one of those things that will never be confirmed though.
    why would you topswap just to not abuse the car? why most people add power lols.

    To the op, do you want any mpg's? cam,rockers will take that away alot more then the other mods you asked about..
    topswap will also if your in the pedal alot.

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  18. #18 Re: Cam or rockers? Topswap or HV3? 
    GTP Level Member dmahlikGT's Avatar
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    On the contrary, rockers actually add mpg.I gained an additional 10-15miles to the tank after the ER's. I hear a cam may take away city mpgs but help highway mpgs.
    04 GTP-3.6 pulley, custom tuned, Intake, headers,thrush exhaust, al104 plugs, 180* stat, shift kit, flipped mounts

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  19. #19 Re: Cam or rockers? Topswap or HV3? 
    GXP Level Member Grimsin's Avatar
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    how does adding fuel increase mpgs?
    be nice im not "mechanically inclined" lol

    3.8l N/A POWA! :4'' HAI\L67 HVTB\HV3\ER Rockers\WP underdrive pulley\Headers\cat delete\91 octane overkill incar tune.3.69 gears, Trans go shift kit.
    My Car:http://www.grandprixforums.net/threa...2005-Impala-LS
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  20. #20  
    I live here. MoarkatsINmuhtrailer's Avatar
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    Cam and rockers are FLOW mods.... More flow equals less wasted energy. Less wasted energy equals better gas mileage.
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