Thread: I Have KR, will Rockers help?

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  1. #1 I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    I tested my car for boost and KR and I have about 10.8 boost and as much as 6.8KR. I've been buying the parts to put rockers on. I have springs, retainers, etc. I have everything but the rockers. I'd planned to get Yella Terra 1.9s. With my current modes will that solve my problems?
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  2. #2 Re: I have NR, rockers help? 
    The Blue One blueguy's Avatar
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    Don't you mean 1.9's? I'd also say get headers vs. your DP/PLOG...and a custom tune...because I bet ZZP's PCM isn't cutting it.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  3. #3 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    I wanted to avoid headers if possible. I wanted to delay a custom tune until I got a few more mods. I'm out here in slower/lower Delaware and can't get a tune locally. I've been thinking I may have to do headers but I'd want to get something that won't change the drivability of my car. It's like a daily driver.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  4. #4 Re: I Have KR, will Rockers help? 
    The Blue One blueguy's Avatar
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    BillBoost is close to you...I can't remember if he tunes or not but if he doesn't I bet he knows someone that does. And how to headers change the driveability of it? If anything the headers will help because they will shift the power band higher and make it easier to drive around town.
    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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  5. #5 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    How about noise from headers inside the car? Care to comment on brands?
    Last edited by Sudden; 06-07-2011 at 05:27 PM.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  6. #6 Re: I Have KR, will Rockers help? 
    Perma-Banned! JK LOL Explicit_Spade's Avatar
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    Leave your stock catback and it won't be an issue...
    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: I Have KR, will Rockers help? 
    I live here. SlowNA06's Avatar
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    Shouldn't knock that hard on those mods. As much as I want to blame your PCM I've seen folks complain about the ZZP tunes plenty), I'd say to double check after you put in fresh spark plugs and clean your MAF. Also, not seeing any intake work in your sig, so throw on a 9" filter if you haven't already.
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  8. #8 Re: I Have KR, will Rockers help? 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by Explicit_Spade View Post
    Leave your stock catback and it won't be an issue...
    This...factory exhaust is quiet and is good for 350 FWHP.

    Quote Originally Posted by Sudden View Post
    How about noise from headers inside the car? Care to comment on brands?
    My car is loud...but its all overkill...I'd say get some catless Speed Daddy headers...with the stock catback it is still very quiet.

    Quote Originally Posted by SlowNA06 View Post
    Shouldn't knock that hard on those mods. As much as I want to blame your PCM I've seen folks complain about the ZZP tunes plenty), I'd say to double check after you put in fresh spark plugs and clean your MAF. Also, not seeing any intake work in your sig, so throw on a 9" filter if you haven't already.
    X2 on the open cone.

    Also...clean your throttle body if you haven't. Free stuff rules...try flipping the dog bone mounts too so it eliminates movement...amybe something is making contact under load.
    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: I Have KR, will Rockers help? 
    GT Level Member torq455's Avatar
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    My exhaust is just a tad louder with my set up, but that's only because I don't have a cat.
    2002 GTP: K&N, 3.2 pulley, flipped mounts. ZZP SS headers, 180 stat, NGK TR6's, MSD wires, Reptile ported TB, ported S/C, ported LIM, Intense Stage II heads with larger Manley severe duty SS valves, Yella Terra 1.9 full roller rockers, LS6 springs, Racetronix fuel pump re-wire, Oil pressure "kit", JMB FWI. Mustang dynoed at 240 WHP, 272 WTQ.
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  10. #10 Re: I Have KR, will Rockers help? 
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    Quote Originally Posted by Sudden View Post
    How about noise from headers inside the car? Care to comment on brands?
    Wrap the headers before you put them in... you WILL notice them inside the car, even with the stock catback. It's not awful but it does get annoying. Wrapping them solves this issue.
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  11. #11 Re: I Have KR, will Rockers help? 
    GTX Level Member crbquist's Avatar
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    Quote Originally Posted by bluegtp91 View Post
    BillBoost is close to you...I can't remember if he tunes or not but if he doesn't I bet he knows someone that does. And how to headers change the driveability of it? If anything the headers will help because they will shift the power band higher and make it easier to drive around town.
    BillBoost lives in Enfield, CT. I know this because he lives 20 minutes from me and has worked on my car several times.
    01 Silvermist GTP - E85 - Cam - Heads - Phenolic IC - Polished Gen V - Stock trans...
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  12. #12 Re: I Have KR, will Rockers help? 
    The Blue One blueguy's Avatar
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    Quote Originally Posted by crbquist View Post
    BillBoost lives in Enfield, CT. I know this because he lives 20 minutes from me and has worked on my car several times.
    Whelp...there ya go OP.
    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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  13. #13 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    A six hour drive. Thanks for all this great information. The plugs don't have but about 2000 miles on them. I found a thread on flipping the dog bones. I started to do that once. Couldn't get them to turn easily and was afraid i'd tear them. Where's there a thread on cleaning the maf and tb?
    Last edited by Sudden; 06-08-2011 at 07:39 AM.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  14. #14 Re: I Have KR, will Rockers help? 
    GrandPrix Junkie NegativeOne13's Avatar
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    It's so easy there doesn't need to be a thread. Remove a few bolt, take off your TB. I cleaned my TB w/ carb cleaner. Then you MUST only clean your MAF with ONLY MAF cleaner.

    And smile it's Blacktooth Grin!
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  15. #15 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    Where do I find MAF cleaner?
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  16. #16 Re: I Have KR, will Rockers help? 
    Fuel For The Soul RegorHtims's Avatar
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    Pretty much any store like Autozone will have MAF cleaner
    SMGPFC Member #7.5
    05 GTP Sold, Still Missed 02 GTP Coupe Sold 06 GXP Intake, Hayden trans cooler
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  17. #17 Re: I Have KR, will Rockers help? 
    Mullet Member Wotgtp's Avatar
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    If anything headers made my car more of a DD. Car drives much better and doesn't feel like a slug. Heck if you bought SD's that would almost cost the same as a good DP and plog(if not cheaper).
    - Ed - 2000 Grand Poverty Daytona edition. Rough idle. Funny whistle. Steering issues at WOT. 3.8 SC pulley.
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  18. #18 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    Cleaned the TB and MAF. Installed a Wizaired. Knock is all but gone. I see less than one right around the shift. I have a 3.5 pulley ready to go on.
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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  19. #19 Re: I Have KR, will Rockers help? 
    GXP Level Member boostedcompg's Avatar
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    Your gonna want headers and a real tune before you start droppin pulleys and more
    04 comp G, front/rear towerbraces, pacesetters, ported sc, LIM, 3.3 pulley, 1.9 mod rockers, Ls1 springs and retainers, custom dyno tune, 180 tstat, shortned dog bones, full poly mounts, zzp shift kit, custom fwi, 28inch cherry bomb, flowmaster 40's. 290whp 380wtq before the button. coldfusion n2o, 60 shot. I haz corvette brakezand gxp cluster! smgpfc028
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  20. #20 Re: I Have KR, will Rockers help? 
    GTX Level Member Sudden's Avatar
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    I didn't want headers but I changed my mind. That will be my next upgrade. I've been looking around my area for someone that can tune it. So far the closest good guy in is CT. I live in lower DE so I was hoping Baltimore, DC area, VA, Philly, someplace less than 4 hours away
    2005 Grand Prix GTP CompG. Overkill PCM, ZZP S2 I/C, ZZP MPS W/ 3.3" pulley, 1.9 YT rockers, 42.5# injectors, Moroso wires and AL104 plugs, 180 Thermostat, LS4 MAF.
    Front PLOG, Rear PLOG, crossover, all ceramic coated. ZZP 3" Downpipe and 3" exhaust pipes with Borla S-Type mufflers.
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