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(Thread Starter) | ![]() ![]() ![]() I believe the CorkSport stage 2 SRI/TIP combo is the stock intake size? But I’m not positive. 2010 MS3 // CS TIP - CS SRI - CS BOOST TUBES - CS MZR BPV - CS HPFP - COBB AP |
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| ![]() ![]() ![]() You can use Stage 1 + SF without needing a tune, but of course getting one will always be better than OTS maps. Technically, there is a slight difference in the MAF diameter, but it's so small it won't make a difference that requires a MAF cal. |
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I appreciate the reply. It’s kinda concerning to try it because COBBS website says if it ain’t exact it can cause potential engine damage? ![]() 2010 MS3 // CS TIP - CS SRI - CS BOOST TUBES - CS MZR BPV - COBB AP | |
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It’s literally half a millimeter difference. It says right on the instruction manual from Corksport that you don’t need to tune. Now if it was half an inch difference yea, you’d need a tune for sure. Sent from my iPhone using Tapatalk | |
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I know it says you don’t need a tune with the stage 2 intake and that’s because it’s the size of the stock intake with the same maf calibration as the stock intake, but taking the CS intake and putting that with a map designed for a completely different intake is the “issue”, that changes things right? And I by no means am saying your wrong, but do you have documentation on it only being half a millimeter off? ![]() 2010 MS3 // CS TIP - CS SRI - CS BOOST TUBES - CS MZR BPV - CS HPFP - COBB AP | |
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The Following User Says NO Thank You to Tru3 For This Un-useful Post: | g00s3y (08-28-2018) |
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| ![]() ![]() ![]() RTFM. Stock MAF is 67mm. Corksport is 67mm. Cobb SRI is 67.5mm. Cobb maps are basic AF and if anything, you’re gonna run a tiny bit rich, which is perfectly fine. Running LEAN on the other hand is not fine, and why you need a tune with larger intakes. Sent from my iPhone using Tapatalk |
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| ![]() ![]() ![]() Running a larger intake than what you're tuned for will run lean. It's measuring less air than what you're actually getting and therefore putting in the correct amount of fuel for the wrong amount of air. However, a 1/2 mm. Meh. Stock tune is stupid rich anyways. You might be doing yourself a favor.
__________________ '06 MS6 GT-167k Miles(Forged@157,116) Manley Pistons & Rods, King Bearings Stock Head/Cams, Stock Int/Exh Manifolds Versatuner, 3-bar MAP, ITV22, CP-e TMIC CS Turbo/DP/RP/HPFP/BPV/R-DiffMount White Widow F-DiffMount, Whiteline RSB Rear Russian Bushings, Poly FSB Bushings Magnaflow CBE, ACT 6-puck/Streetlite JBR Tru-3.5/3-port EBCS/EGR-D Damond RMM/PMM/OCC/PCV Plate Other rides: 2002 Tacoma ExtCab 2.4L 5spd 2WD - 355k mile Speed support vehicle. 2004 Olds Alero ECOtec 2.2 - Broken (since Christmas 2015 and I really need to get rid of it) History: 2008 GSX-R 1000 - Stolen (With several runs past 180, I'd probably be dead by now if it wasn't stolen. So in a way, I'm thankful.) 1988 RX-7 TII - Sold (Megasquirt, streetport, filter-on-turbo SRI, custom TBE, 20psi boost creep on OE turbo, OE TMIC on ice, 13.467 @ 105.44) 1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers) |
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His MAF will be a half a millimeter smaller. The Cobb tune is for 67.5mm. His Corksport is 67mm. Sent from my iPhone using Tapatalk | |
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| ![]() ![]() ![]() Ahhhhhhh. I missed that.
__________________ '06 MS6 GT-167k Miles(Forged@157,116) Manley Pistons & Rods, King Bearings Stock Head/Cams, Stock Int/Exh Manifolds Versatuner, 3-bar MAP, ITV22, CP-e TMIC CS Turbo/DP/RP/HPFP/BPV/R-DiffMount White Widow F-DiffMount, Whiteline RSB Rear Russian Bushings, Poly FSB Bushings Magnaflow CBE, ACT 6-puck/Streetlite JBR Tru-3.5/3-port EBCS/EGR-D Damond RMM/PMM/OCC/PCV Plate Other rides: 2002 Tacoma ExtCab 2.4L 5spd 2WD - 355k mile Speed support vehicle. 2004 Olds Alero ECOtec 2.2 - Broken (since Christmas 2015 and I really need to get rid of it) History: 2008 GSX-R 1000 - Stolen (With several runs past 180, I'd probably be dead by now if it wasn't stolen. So in a way, I'm thankful.) 1988 RX-7 TII - Sold (Megasquirt, streetport, filter-on-turbo SRI, custom TBE, 20psi boost creep on OE turbo, OE TMIC on ice, 13.467 @ 105.44) 1985 Camaro - Sold (est. 265bhp 5.7 swap, Edelbrock intake & Hooker headers) |
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| ![]() ![]() ![]() Can I run the same map with a AEM CAI? |
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| ![]() ![]() ![]() Are you measuring ID or OD? I had in mind the stock was 64,x mm ID I won't debate about half a mm but you need to keep in mind it is the square value of the difference...And it doesn't just affect AFR in open loop but also all the tables using load including ignition timing. Less load read = more agressive timing. At the end, you can take a look to your STFT and LTFT after a 2-300 miles after using the map and see if it remain in a +/-8-10%... Not 100% sure if there isn't other options but if you need a maf cal and you didn't follow the cobb class you would need a personal tune from an etuner to correct it.
__________________ Mazda for life...or until i can afford something better... 2007 rusted Speed6... in progress... 1993 Ford Probe KLZE 143dB 2012 Mazda3 Gs-sky 6.5l/100 when transporting speed parts 1989 GM 6.2 diesel pickup Wife drive 2010 CX7 2007 speed3 burned (i'm proud to ran 12.7s with it) ...Because French Canadian... |
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| ![]() ![]() ![]() Same MAP - yes! Same MAF - yes! People, please wake up.
__________________ 2008 Cosmic Blue Mazda 3MPS Bilstein B12 + CS Camber plates + Eibach camber arms, SSR Type-F, Michelin PS4 225/40/R18, Cobb RMM, StopTech Street Pads + Stoptech Slotted disks, SouthBend Enduro Stage3 clutch, genpu TMM + CS Insert, TheSpeedLine 2X Rear Cross Floor and Rear Middle Lower Strut bars, Tanabe 4 Point Under Brace, Whiteline Bumpsteeer corection kit JBR Tru-3" + CS CAI Box, SU TMIC, Cobb XLE, NGK LTR7IX, UR v3 catted DP and res&catted TP, Cobb CatBack, GS EBCS, Autotech internals, GTX3071, CS 3.5BAR, Guardian Angel, CoolingMist WMI, VCTS Delete, stock ported IM SP63 87.5mm 4032 9.5:1 pistons, Manley rods, CA625+ head studs, Clevite AL main bearings, King rod bearings, CP-e safe seals, DCR VVT, Koyorad radiator. StratiVersaTuned FTW to 28PSI, self-tuned to 32PSI 2008 Icy Blue Mazda CX7 6 Speed Manual SU TMIC, Autotech HPFP internals, Cobb XLE, Cobb EBCS, CorkSport 3.5BAR MAP GTX2867R gen2, stock spark plugs, stock cats and stock exhaust FTW, JBR Tru-3" Silicone intake TheSpeedLine Top and Lower Strut bars self-Versatuned to 22PSI |
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