Thread: How much porting on heads??

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  1. #1 How much porting on heads?? 
    GT Level Member Steven Monteith's Avatar
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    I have a 2000 GP GT and I'm doing a top swap with a GEN 3, 42 injectors, HAI, headers, xp cam, Crow valve springs 105, LS7 lifters. I want to port my heads and I'm having them done by a professional, but I have no clue how much to actually port??? Any advice would be appreciated.
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  2. #2 Re: How much porting on heads?? 
    GXP Level Member JoRoW99's Avatar
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    If he's a professional he should know how much...give him the xp cam specs for sure.
    '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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  3. #3  
    I live here. MoarkatsINmuhtrailer's Avatar
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    Just a smoothing of the gaskets, and polish the bowls.

    That makes a very big difference as those are the problem areas. The casting on these engines is horrid
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  4. #4 Re: How much porting on heads?? 
    GT Level Member Steven Monteith's Avatar
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    ok, thanks guys.
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  5. #5 Re: How much porting on heads?? 
    GT Level Member Steven Monteith's Avatar
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    Do you think porting my heads will be worth it?
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  6. #6 Re: How much porting on heads?? 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by Steven Monteith View Post
    Do you think porting my heads will be worth it?
    Yes.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  7. #7 Re: How much porting on heads?? 
    Donating Users gtpsleeper's Avatar
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    thats like asking if sex with Jessica Alba is worth it....
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  8. #8 Re: How much porting on heads?? 
    The Blue One blueguy's Avatar
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    Or if you can keep a cell phone for more than a week when your name is Jarred?

    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
    '99 Chevrolet Silverado Classic Z71 4x4 - K&N Intake/Gibson Exhaust #TRUCKTHINGS
    '12 Buick Regal Turbo - ZZP CAI/20% Tint/HID's
    '89 Ford Mustang LX Notchback - LM7 5.3, 4L80, 9", HX40
    '04 Chevrolet Corvette MRM A4/LS1 - TSP LT's, 3"O/R X, AFE S2 CAI
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  9. #9 Re: How much porting on heads?? 
    GXP Level Member JoRoW99's Avatar
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    I dont think it made a big difference for me, but i was too scurred to polish the bowls, and im not a "professional".
    '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  
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    You mean the cc. The bowls are where a lot of gains can be had.
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  11. #11 Re: How much porting on heads?? 
    Donating Users gtpsleeper's Avatar
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    Quote Originally Posted by blueguy91 View Post
    Or if you can keep a cell phone for more than a week when your name is Jarred?

    Nick-1
    Jarred-0
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  12. #12 Re: How much porting on heads?? 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by gtpsleeper View Post
    thats like asking if sex with Jessica Alba is worth it....
    Then it will be worth every penny!! lol
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  13. #13 Re: How much porting on heads?? 
    Moderator DanPrixGTP's Avatar
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    Top swap with a Gen V over a Gen III
    '97 GTP - Stage 2 Heads, 90# Springs, 1.9 Harland Sharp Rockers, Gen V, 3.0, Intake, N* TB, LQ4, FSIC, 10.5mm Wires, Poly Mounts, SLP Headers, Borla Exaust, Built Trans - SOLD*

    '08 G8 GT - 6.7L 408CI Stroker, 239/254 Cam, Fast Intake, 102mm TB, CAI, Full Exhaust.





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  14. #14 Re: How much porting on heads?? 
    GT Level Member Steven Monteith's Avatar
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    Quote Originally Posted by DanPrixGTP View Post
    Top swap with a Gen V over a Gen III
    I've noticed a lot of people like the gen v over a gen 3 but I picked up everything for the top swap for $300 shipped so I couldn't beat the deal. Everything checks out to be good also.
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  15. #15 Re: How much porting on heads?? 
    GT Level Member Sushamouf's Avatar
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    Quote Originally Posted by matt5112 View Post
    You mean the cc. The bowls are where a lot of gains can be had.
    This
    2000 GTP - Stage 3 Heads - Gen V - 48# Injectors - Hardened Pushrods - Comp Limited Travel Lifters - LS6 Springs - Yella Terra 1.9 Rockers - S3 Phenolic Intercooler - N* TB - SD Headers - SR intake - ZZP 3.1 Pulley - Dyno Tune - Built 4T65E-HD - 12" Brake kit - SS brake lines - KYB GR2 Struts - 333WHP - 386WTQ
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  16. #16 Re: How much porting on heads?? 
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    Quote Originally Posted by DanPrixGTP View Post
    Top swap with a Gen V over a Gen III
    If you do that, might as well go to town. Ie, intercooler, N* TB etc.

    Gen V requires a TB adapter, might as well go for one thats worth while.
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