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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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10-18-2015, 06:38 PM | #29 | |
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In all seriousness, you can ceramic coat this and be done with it! Why would a manufacturer try to do that and limit it self in terms of design (efficiency etc) just so can accommodate such an insignificant aspect of a header. |
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10-18-2015, 06:58 PM | #30 |
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ceramic coating a header leads to less temperatures in the engine bay than the stock with heatshield. there is a thread on here somewhere that showed ceramic coated (uel I believe) vs stock header+heatshield, and the ceramic is a good bit cooler in the engine bay.
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10-18-2015, 07:39 PM | #31 | |
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catless headers tend to run a bit cooler due no cat restricting flow and holding heat |
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10-18-2015, 11:58 PM | #32 |
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yes
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10-19-2015, 08:53 AM | #33 |
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I hear more valvetrain noise with the ACE versus the OFH, and the pitch has changed due to the UEL/EL.
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10-19-2015, 01:50 PM | #34 |
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I was able to wring out 160-165ftlb of torque on E85 with this "other" header, but it's nowhere close to 150 at 3k. The power does not start to build up until 3500~3600, hitting 150 at 4000.
Is it the extra length of the secondaries that allow it to do this? Also, I've experimented with different size front pipes. Let me just say there is a very good reason why ACE headers went with a pregnant 3" FP.
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10-19-2015, 07:37 PM | #35 | |
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10-20-2015, 08:59 AM | #36 |
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10-21-2015, 08:16 AM | #37 |
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Can you elaborate? I've been wondering why they went with that design.
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10-21-2015, 02:34 PM | #38 | |
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Edit: Here you go @TorqueMan777 Stock FP vs 63mm FP vs 70mm FP It's not quite a 3" diameter, but I've no doubt the even larger pipe will have a similar result as I got with my 70mm pipe. and E85 vs 91 petrol while I'm at it
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cowardice is the mother of cruelty. Last edited by solidONE; 10-22-2015 at 04:10 PM. |
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07-07-2016, 03:21 PM | #39 | |
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Current Mods: Ace Header with 350 OP-Berk Frontpipe-Miltek Resonated Catback-OFT-k&n drop in filter |
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07-07-2016, 05:08 PM | #40 |
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I want to see it with E85
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07-07-2016, 05:40 PM | #41 |
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10-10-2021, 07:49 PM | #42 |
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ACE basic tune
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