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| MazdaSpeed 3/6 - Turbo Induction MazdaSpeed 3/6 - Turbo Induction - Have a turbo, intercooler, downpipe question? Anything turbo related belongs here! |
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10-08-2008, 05:26 PM
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 #1 |  |
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|  -+- My custom cobb SF intake (gt3071r) -+- So when i first installed my gt3071r, i was using an RPMC inlet pipe. This required a 4" to 2.5" reducer at the turbo. yikes. I wasnt happy with its orientation, the reducer was crushed just to fit, and it was a huge reduction in size that i was not happy with. I started by relocating the battery to the trunk to relieve some of the "kink" in the reducer at the turbo. It helped, but was still kinked, and a 1.5" reduction right at the turbo. So now with all that extra room in the engine bay, i decided to make a custom 3" inlet. I used a 4" to 3" reducer, with a 45* bend in it, right at the turbo. from that, i used a 3" aluminum pipe, with another 45" bend. this pointed the intake directly towards the front of the car. then i used a 3" coupler to connect the inlet pipe directly to the cobb maf housing, and retained the cobb filter. The problems with this are that between the inlet pipe, and the cobb silicon piece, there are 2 connections that i had to account for. one is the crankcase vent on the valve cover. For now, all i did was put a small breather filter on it. I will have a piece welded on so i can use a hose to connect this back to the inlet pipe. Also, the HKS valve i have was recirculating to the RPMC inlet. For now i am just venting this to atmosphere. no problems yet, but i still plan to have another piece welded to the inlet to recirculate. I am not even concerned with the wastegate solenoid dump. Overall this cost a little over $225, with the battery relocation kit ($110), the aluminum was $60, and the silicon connections and Tbolts were about $45. the breather filter was another $10 I am very happy to have the kink out right before the turbo, as well as a much larger inlet pipe. I still have to clean up the wiring for the battery, and make a bracket for the ecu, and possibly the intake. Pics are below Next... Porting the ATP exhaust housing wastegate opening.
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way Last edited by Speed3shon; 11-19-2008 at 09:24 AM. | ||||||||
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| The Following 2 Users Say Thank You to Speed3shon For This Useful Post: | gsrtype1 (10-09-2008), kingpin748 (10-08-2008) |
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10-08-2008, 06:02 PM
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| i got mine from summit racing. Its a sealed battery box. Includes a drain, and enough 2 gauge wiring for a power and ground. it also comes with clips and such to run the wire securely. its the premium battery relocation kit on summitracing.com
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way | ||||||||
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10-08-2008, 08:15 PM
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| Whats the deal with the ECU? How did you mount it? Looks awesome sean!!! Also, can I get my inlet back now please 
__________________ Cosmic Blue Mazdaspeed 3 Cobb SFI, Springs, Swaybars, DA-STS, FMIC, TRZ Poly, Forge BPV, Denso ITV-22s, CS Brake Lines, CP-E Downpipe, Standback, PG Rebuilt k04, PG CDFP Internals, Amsoil | ||||||||
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10-08-2008, 08:54 PM
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| yes, you can have it back. I definately notice a good difference. although, the roads are still wet. im pumped. i cant wait to color match it to the FMIC pipes, and have it finalized.
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way | ||||||||
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10-08-2008, 08:56 PM
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| PS, im gonna plug siliconintakes.com for the silicon pieces i got from them. I got both pieces from this time, and the old reducer from them. although i was not happy with the application of a 4" to 2.5" reducer, they were the only place i could find it, and got it to me fast.
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way | ||||||||
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10-08-2008, 09:03 PM
| #8 | |
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| what the hell tune are you running on that thing.
__________________ CPE Saloon and Store, Inc. The Saloon and Store is the only CPe dedicated vendor on the forum. We offer fantastic deals and a large inventory ready to ship. Are you tired of tinkering with toys? Join me, and all the fastest, big power cars in the country. CPe can get you there NOW!! Get ahead of the crowd and send a PM today -------------------- Tuned by Mark Stephen Riley forever.... God must have been running lean, to have taken you so quickly away from us. | ||||||||
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10-08-2008, 09:20 PM
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| a beta tune from christian@cobb, hes been getting me revisions every time i send him logs, unfortunately, i havent been able to log too too much...
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way | ||||||||
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10-08-2008, 09:27 PM
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we need to keep an eye on you man.
__________________ CPE Saloon and Store, Inc. The Saloon and Store is the only CPe dedicated vendor on the forum. We offer fantastic deals and a large inventory ready to ship. Are you tired of tinkering with toys? Join me, and all the fastest, big power cars in the country. CPe can get you there NOW!! Get ahead of the crowd and send a PM today -------------------- Tuned by Mark Stephen Riley forever.... God must have been running lean, to have taken you so quickly away from us. | |||||||||
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10-08-2008, 09:30 PM
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| still on stock internals, 16psi other than creep, i dont let it go over 18psi. once i port the wastegate or solve my creep somehow, whether it be porting or EWG, im gonna work on the motor...then after that its 21-22psi, and water/meth or possibly nitrous... when you get your car back you gonna go with more than 18psi?
__________________ 2007 Mazdaspeed3 GT Meth Injected GT3071r on 16psi Forged Internals and 24psi on the way | ||||||||
