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| MazdaSpeed 3 - Engine, Transmission & Driveline Discussion of engine, tranny and drivelines. |
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09-14-2013, 08:52 AM
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(Thread Starter) |   Not Ranked : 0 score  Engine sluggish before turbo spins up My engine has been particularly sluggish/jerky before the turbo spins up <2500 RPM. So much so that I have to give it more gas but then as soon as the turbo spins up the car surges forward. It makes difficult for smooth driving at low speeds. It happens at all speeds and in all gears, even on the highway if I let the RPM fall below 2500. My engine is completely stock except that I have a Sure Motorsports Aeros intake. I also have new spark plugs. This problem is exacerbated by having the air conditioning on but it happens to a lesser degree with it off as well. Any suggestions are greatly appreciated. Thanks |
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09-14-2013, 09:11 AM
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| Not Ranked : 0 score It's the intake
__________________ Sold: 2010 MS3 siLver. E85(25%) - Stratified DynoJet - 307//357 Suspension: H&R springs//Sensen Mazda5 struts; TB Performance TractionBar//Trunk Brace Brakes: CorkSport Pads; Centric Blanks Other: UltraGaugeEM; JBR 88D Rmm; JBR SSP//Bushings; EGR unplug;CF 3m vinal on trim in side car Official 60-100mph Times Official Video battles Official Youtube Channels
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09-14-2013, 09:51 AM
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| Not Ranked : 0 score Peen gazer, do you have any mods? A vacuum leak could be making your car run like shit. |
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09-14-2013, 09:53 AM
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| Not Ranked : 0 score It's sort of amazing to me that this dude joined in 2009, but this is his first post.
__________________ 2010 CBM Mazdaspeed3 w/Tech Package 240 whp/282 ft-lb @ CP-e Mustang Dyno [8/3/13] 271 whp/314 ft-lb @ Moore Automotive DynoJet [10/19/13] Cobb AP // JBR Stage II PowerPath Intake // GFB Respons BOV // AutoTech Internals // Sure Race Pipe (Cullen Eats Penises) // CPe TMIC JBR 88a RMM // JBR 70a TMM // JBR EGR Block Off Plate // Damond OCC // NGK Iridium IX Spark Plugs // JBR Bypass Valve Hose // SU Boost Tubes JBR Spherical Heavy Shift Knob // CorkSport interior LEDs // JBR License Plate Frame Mod // G2 Black Caliper Paint // 35% tint On deck: VG Sharkfin Antenna  |
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09-14-2013, 09:53 AM
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| Not Ranked : 0 score First post? Member since 2009? I would recommend not boosting under 3000rpms. The car will feel more sluggish with the A/C. Same effect with all cars IMO Did you make sure you gapped the plugs correctly?
__________________ '12 MS3 Black Mica w/ Tech COBB AP V3 >> AUTOTECH HPFP >> HTP 3.5" >> ATP DP (catless) >> AXLEBACK (no mufflers) >> COBB PIPING/TR6 CORE >> JBR RMM >> SSP/BUSHINGS >> RSB >> STG. 2 OCC >> HYPNOTIC TUNED: tehmadscientist & senor finkle  |
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09-14-2013, 09:58 AM
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| Not Ranked : 0 score Sounds like you've got a leak somewhere. Happened to me a couple weeks ago
__________________ Past 2012 Speed3. GT3071r // Manley rods // Wiseco pistons // some other goodies and some Nator love  Present 2014 Chevy Silverado Z71 |
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09-14-2013, 10:08 AM
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| Not Ranked : 0 score What plug brand and gap and a possible vac leak. How many miles? Id assume you need to do some cleaning too, specifically the egr, anyways.
__________________ Black Mica 2006 Speed6 GT | 62,000 Miles Cobb AP | Stratified Tune Stage 1 OTS | JBR Stage II Intake | cp-e 3'' Straight Exhaust | JBR RMM | SURE AGS 600 Gram Shift Knob | SURE Anchors | SURE Return | SURE SSP/Weight | All Redline Fluids | Shell T6 | Forge V1 ms6db.com I'm Registered. Are You? |
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09-14-2013, 10:49 AM
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| Not Ranked : 0 score Step 1 put stock intake on and test.... If no improvement... Step 2 pull plugs and check gap..... Gap should be .026-.030 IMO gap properly and test... If no improvement.... Check compression If compression is fucxed.... Max out credit card on built motor, big turbo and supporting mods... 
__________________ The Car - 08.5 True Red MS3 GT - MODS -Cp-e nano sri, HTP 3" tip, Autotech internals, Custom fmic 28x8x3.5 cx core, Cobb ap, Autolite XP5263, Turbo_Steve SHIFT HAMMER SSP, TRZ rear mount. Atp Downpipe and custom catted mid pipe. JBR TIG, tb gasket & egr delete, XS POWER V2 turbo manifold, Aem 30-3000 WMI Kit, Ported intake By Turbo_Steve. ADAPTED PERFORMANCE SHIFT HAMMER SSP - ADAPTED PERFORMANCE ENGINE COVERS Soon to come. WHO KNOWS? A.D.D. FTW! |
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