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Thread: LS3/LS7 card style MAF question

  1. #1
    Senior Member coops09gxp's Avatar
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    Default LS3/LS7 card style MAF question

    Hey Greg, thanks again for taking the time on the phone the other day with my lengthy order and also the savings with the grrrr8.net discount!!! I did forget to ask, when doing the swap from the stock LS3 MAF to the card style do I need to swap any wires around? I remember reading about that somewhere but can't find it now. I'm not sure if that was only on the L76 engines or both the L76 and the LS3. Thanks for any help you or anyone else can provide with the question.

    Tony
    09.5 G8 GXP A6, roof, MSM
    Texas Speed LS3 418, PRC heads, Pat G cam, LS9 injectors, Rick Crawford intake, stock TB
    HSRK, Roto-Fab CAI, Kooks LT's, Corsa cat back system, no cats
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    Best ET so far, 11.376 @ 120.25 mph uncorrected, with limited traction
    Tuned by Rick Crawford via remote tune
    G.O.N.E. 2012 & 2013 Best In Class, Fastest in Mod GXP, 2012 Best In Show

  2. #2
    VIP Member STL_G8GT's Avatar
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    Yes you do... Two wires get swapped... Search ls7 card maf pinout ls3... You're bound to find it. And yeah, Greg is a good guy!!!!
    2009 PBM G8 GT
    Pat G 218/226 & TSP Dual 660s, ARP Bits, DSteck Tuned, Magnacharger Chrome 2300 1:1, RCR Ported/Polished TB, Blower, & L92 Heads w/ LS3 intake valves, Smith Brothers Trunion Bushing Kit, ARH 1 7/8 Magnaflow MidMuff/Solo Axlebacks, RotoFab, VaporWorx PWM 1:1 fuel system, ID1050x injectors
    Mike Norris Motorsports Catchcan, AEM 30-4100, JHP Boost/Fuel Gauge Pod
    TSW Nurburgring Matte Gray 18" w/Nitto 555 & 555R, Satin Black SS Brembo Fronts, BMR Trailing Arms, Pedders Sway Bars, Whiteline Bushings
    Gloss Black Valve Covers, 6k HID, V6 Handles, Interior/License Plate LEDs, Debadged, Holden Black Trim, Polk Dxi, GXP diffusor, a few bits from Crazy Paul

    Originally Posted by TonyKarter
    Anyone who has ever worked on a car has been in your position, and sitting cross-legged on a concrete floor with a dim shop light is its own kind of hell... Chalk it up as one of the rites of passage.
    RIP Charlie - GRRRR8
    RIP Chris Wells - Panzer Leader

  3. #3
    VIP Member STL_G8GT's Avatar
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    2009 PBM G8 GT
    Pat G 218/226 & TSP Dual 660s, ARP Bits, DSteck Tuned, Magnacharger Chrome 2300 1:1, RCR Ported/Polished TB, Blower, & L92 Heads w/ LS3 intake valves, Smith Brothers Trunion Bushing Kit, ARH 1 7/8 Magnaflow MidMuff/Solo Axlebacks, RotoFab, VaporWorx PWM 1:1 fuel system, ID1050x injectors
    Mike Norris Motorsports Catchcan, AEM 30-4100, JHP Boost/Fuel Gauge Pod
    TSW Nurburgring Matte Gray 18" w/Nitto 555 & 555R, Satin Black SS Brembo Fronts, BMR Trailing Arms, Pedders Sway Bars, Whiteline Bushings
    Gloss Black Valve Covers, 6k HID, V6 Handles, Interior/License Plate LEDs, Debadged, Holden Black Trim, Polk Dxi, GXP diffusor, a few bits from Crazy Paul

    Originally Posted by TonyKarter
    Anyone who has ever worked on a car has been in your position, and sitting cross-legged on a concrete floor with a dim shop light is its own kind of hell... Chalk it up as one of the rites of passage.
    RIP Charlie - GRRRR8
    RIP Chris Wells - Panzer Leader

  4. #4
    Senior Member coops09gxp's Avatar
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    STL_G8GT, Thanks a ton for that link!!! Judging from that it looks like four wires need swapped though instead of only two. The pink (pin B) and black(pin C) wires for the ground and 12v and also the brown/red (pin D) and brown/white (pin E) wires for the low reference and IAT sensor signal. Is that correct, all four wires need swapped? Thanks again for that link! I noticed you are from Estes Park CO. very jealous, absolutely beautiful place to live!!!

    Tony
    09.5 G8 GXP A6, roof, MSM
    Texas Speed LS3 418, PRC heads, Pat G cam, LS9 injectors, Rick Crawford intake, stock TB
    HSRK, Roto-Fab CAI, Kooks LT's, Corsa cat back system, no cats
    Squash Performance fuel system
    BMR trailing arms, toe rods, cradle and diff bushings, subframes, tunnel brace
    GForce anti wheel hop axle set, Camaro 3.45 rear end
    Circle D Specialties 3200 stall
    VMR V710 wheels 19x8.5 front 35 offset, 19x9.5 rear 50 offset
    First National G8 meet, yea, I was there! Car number G42!
    Best ET so far, 11.376 @ 120.25 mph uncorrected, with limited traction
    Tuned by Rick Crawford via remote tune
    G.O.N.E. 2012 & 2013 Best In Class, Fastest in Mod GXP, 2012 Best In Show

  5. #5
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    No you only swap two wires... black and pink

  6. #6
    VIP Member STL_G8GT's Avatar
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    Quote Originally Posted by coops09gxp View Post
    STL_G8GT, Thanks a ton for that link!!! Judging from that it looks like four wires need swapped though instead of only two. The pink (pin B) and black(pin C) wires for the ground and 12v and also the brown/red (pin D) and brown/white (pin E) wires for the low reference and IAT sensor signal. Is that correct, all four wires need swapped? Thanks again for that link! I noticed you are from Estes Park CO. very jealous, absolutely beautiful place to live!!!

    Tony
    As stated, just black/pink.

    Come visit sometime!!!!
    2009 PBM G8 GT
    Pat G 218/226 & TSP Dual 660s, ARP Bits, DSteck Tuned, Magnacharger Chrome 2300 1:1, RCR Ported/Polished TB, Blower, & L92 Heads w/ LS3 intake valves, Smith Brothers Trunion Bushing Kit, ARH 1 7/8 Magnaflow MidMuff/Solo Axlebacks, RotoFab, VaporWorx PWM 1:1 fuel system, ID1050x injectors
    Mike Norris Motorsports Catchcan, AEM 30-4100, JHP Boost/Fuel Gauge Pod
    TSW Nurburgring Matte Gray 18" w/Nitto 555 & 555R, Satin Black SS Brembo Fronts, BMR Trailing Arms, Pedders Sway Bars, Whiteline Bushings
    Gloss Black Valve Covers, 6k HID, V6 Handles, Interior/License Plate LEDs, Debadged, Holden Black Trim, Polk Dxi, GXP diffusor, a few bits from Crazy Paul

    Originally Posted by TonyKarter
    Anyone who has ever worked on a car has been in your position, and sitting cross-legged on a concrete floor with a dim shop light is its own kind of hell... Chalk it up as one of the rites of passage.
    RIP Charlie - GRRRR8
    RIP Chris Wells - Panzer Leader

  7. #7
    Vendors Greg@PacePerformance's Avatar
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    Thanks everyone for getting Coops question answered
    888-748-4655
    All Prices in posts are subject to change at anytime.
    Check us out at www.PacePerformance.com

    2009.5 Liquid Red G8 GT
    2009 MSM Supercharged G8 GXP M6 - 11.51 @ 126.09
    586rwhp/495tq

  8. #8
    VIP Member Kermit's Avatar
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    How exactly do you swap out the wires? Just put a jewelers flat tip screwdriver in the smaller slot below the wire you want to remove to "unlock" the wire?
    2009 G8 GT MGM.
    Performance - 1900 MagnaCharger , Lunati Cam, RCR Ported Heads, Intake and TB, FAST #65 Injectors, CTS-v fuel pump, Kooks 1 3/4" LT and Catted X-Pipe, Pypes Violator Axel-Back, VCM OTR, RX Oil Catch Can, Pedders XA's & Track II Bushings, BMR Sub Frame Connectors, Sway Bars & Rear Control Arms, 19 Inch Staggered (8.5 front/9.5 Rear) VMR 810 Wheels, DBA 4000 Sloted Rotors with Hawk HPS Pads & Russels Brake Lines, Camaro 3.27 Diff, Gforce Axles.
    Cosmetic - Partially De-badged Rear, 6.0L Badges, Tinted Side, Rear Markers & Tail Lights, 35% Tint, Auto-dim Mirror, Spencers 6K 35W & 5K 25W Fog HIDS, Blacked Out Door Chrome, Vagas Nates 3 Gauge Pod W/Interceptor Gauges, Color Matched GXP Diffuser, Shark Fin Antenna, V-LEDs on Side/Rear Markers, Brakes & Back Ups Lights, MM Carbon Fiber Rear Spoiler


    1/4 mile 10.917 at 130.44mph 564 RWHP 568 Torque.

  9. #9
    Addicted Member 768MPH's Avatar
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    Quote Originally Posted by Kermit View Post
    How exactly do you swap out the wires? Just put a jewelers flat tip screwdriver in the smaller slot below the wire you want to remove to "unlock" the wire?
    Yes, this.

    I hear people say just swap wires.

    Well...how does one go about that?

    2014 Mustang GT- 6M/Recaros/trackpack
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    SOLD

  10. #10
    VIP Member STL_G8GT's Avatar
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    Either cut and splice before the plug, or release the pins and swap
    2009 PBM G8 GT
    Pat G 218/226 & TSP Dual 660s, ARP Bits, DSteck Tuned, Magnacharger Chrome 2300 1:1, RCR Ported/Polished TB, Blower, & L92 Heads w/ LS3 intake valves, Smith Brothers Trunion Bushing Kit, ARH 1 7/8 Magnaflow MidMuff/Solo Axlebacks, RotoFab, VaporWorx PWM 1:1 fuel system, ID1050x injectors
    Mike Norris Motorsports Catchcan, AEM 30-4100, JHP Boost/Fuel Gauge Pod
    TSW Nurburgring Matte Gray 18" w/Nitto 555 & 555R, Satin Black SS Brembo Fronts, BMR Trailing Arms, Pedders Sway Bars, Whiteline Bushings
    Gloss Black Valve Covers, 6k HID, V6 Handles, Interior/License Plate LEDs, Debadged, Holden Black Trim, Polk Dxi, GXP diffusor, a few bits from Crazy Paul

    Originally Posted by TonyKarter
    Anyone who has ever worked on a car has been in your position, and sitting cross-legged on a concrete floor with a dim shop light is its own kind of hell... Chalk it up as one of the rites of passage.
    RIP Charlie - GRRRR8
    RIP Chris Wells - Panzer Leader

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