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Thread: Backfire from intake manifold

  1. #11
    VIP Member STL_G8GT's Avatar
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    I spent a semester at Edith Cowan. Would love to return!
    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

  2. #12
    Member VE HSV R8's Avatar
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    Don’t get me wrong Perth is a great place to live,but the cops are making it difficult for us to drive our VE’s around without the threat ov getting a defect notice,even stock cars with different rims would be a target.
    08 HSV R8
    LS3 A6 with Camaro pan. 3.45 truetrac,cradle inserts,
    Whiteline swaybars front & rear
    AP Racing Brakes with QFM Pads all round
    VCM OTR
    Billet Catch Can
    1 3/4" pacemaker extractors,200cell metal euroV cats
    2 1/2" Manta exhaust
    New mild cam 217/225* 600/580 lift just installed...425hp 450tq current tune.
    Mods to come: ,
    12.6@110mph

  3. #13
    VIP Member STL_G8GT's Avatar
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    Quote Originally Posted by VE HSV R8 View Post
    Donít get me wrong Perth is a great place to live,but the cops are making it difficult for us to drive our VEís around without the threat ov getting a defect notice,even stock cars with different rims would be a target.
    That's insanity.
    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. #14
    Member VE HSV R8's Avatar
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    So just an update,I’ve changed the coils,regaped the plugs from .039” to .032” runs a lot better,idles sounds much better now,but I’ve taken it for a drive which was surprisingly good lots of power if I feed the right foot in smoothly but if I mash the throttle it started surging or missing not sure as it revs all the way to the limiter in 4th, so now my problem is in the tuner....what do y’all thing?
    08 HSV R8
    LS3 A6 with Camaro pan. 3.45 truetrac,cradle inserts,
    Whiteline swaybars front & rear
    AP Racing Brakes with QFM Pads all round
    VCM OTR
    Billet Catch Can
    1 3/4" pacemaker extractors,200cell metal euroV cats
    2 1/2" Manta exhaust
    New mild cam 217/225* 600/580 lift just installed...425hp 450tq current tune.
    Mods to come: ,
    12.6@110mph

  5. #15
    Moderator, Retired -Ray-'s Avatar
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    I think a .032" gap is too small. Could be blowing out the spark.
    Rest in Peace Charlie!

    BMR, Brembo, Circle D, Comp Cams, Crazy Paul's Holden parts,
    Gforce axles, GRRRR8.net SS bolt kit and heater hoses, LandSpeed Development,
    Livernois, Lunati, Pedders, White auto media
    Under more construction.


    Just a GT


    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

  6. #16
    Member VE HSV R8's Avatar
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    What’s the best gap then? As the tuner told me to go .032”!? I’m starting to loss faith in this guy
    08 HSV R8
    LS3 A6 with Camaro pan. 3.45 truetrac,cradle inserts,
    Whiteline swaybars front & rear
    AP Racing Brakes with QFM Pads all round
    VCM OTR
    Billet Catch Can
    1 3/4" pacemaker extractors,200cell metal euroV cats
    2 1/2" Manta exhaust
    New mild cam 217/225* 600/580 lift just installed...425hp 450tq current tune.
    Mods to come: ,
    12.6@110mph

  7. #17
    Moderator, Retired -Ray-'s Avatar
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    1 mm.
    Rest in Peace Charlie!

    BMR, Brembo, Circle D, Comp Cams, Crazy Paul's Holden parts,
    Gforce axles, GRRRR8.net SS bolt kit and heater hoses, LandSpeed Development,
    Livernois, Lunati, Pedders, White auto media
    Under more construction.


    Just a GT


    Quote Originally Posted by RichsGreyGT View Post
    this site is hardcore modding central.

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