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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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09-19-2018, 11:15 AM | #15 | |
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I will give you ACE is the best sounding EL hands down though |
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09-19-2018, 11:34 AM | #16 | |
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But comparing dozens of before and after (stock vs header) and looking at the % increase, Example some cars dyno stock at 176hp and after header and tune dyno 196hp, another car dynos stock 150hp and after header and tune hit 185hp. Looking at both HP increase and most importantly percentage increase. The first being 20hp at 11% increase the second being 35hp at 23% increase. Over double the percentage increase. Most people unfortunately just look at peak vs peak numbers and don’t see the real difference. So yes ace has been proven time and time again to make 20%-100% (double) the gains vs other headers, and comparing percentage increase to price, it is actually egual to if not greater then any other header bang for buck. |
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09-19-2018, 11:40 AM | #17 | |
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09-19-2018, 12:20 PM | #18 | |
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HKS EL on 92octane - before 172hp after with a custom ecutek dyno tune 195 23hp - 13% increase, at 650+700 / 13 = 103$ per 1% increase. ACE 350 on 91octane - before 165hp after with a custom ecutek dyno tune 193 28hp - 17% increase, 1650+700 / 17 = 138$ per 1% increase. That is peak vs peak comparisons. Then comparing torque at 4000rpm HKS before 122, after 140 18ft-lbs - 14.7% increase, 1350 / 14.7 = 92$ per 1% increase ACE before 121 after 152 30ft-lbs - 25.6% increase, 2350 / 25.6 = 92$ per 1% increase. So realistically ACE is about equal to HKS for bang for buck despite being 1000$ more. |
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09-19-2018, 01:00 PM | #19 | |
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09-19-2018, 01:03 PM | #20 |
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Just buy the HKS and call it a day
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09-19-2018, 01:35 PM | #21 | |
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09-19-2018, 02:04 PM | #22 |
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Peak HP numbers where around 7k,
And peak torque differences where around 4K. Still a similar trend across the entire power band in comparing the differences. Could obviously do the math / differences for every 500rpm intervals to see the entire power band difference. But anyone can google and see the clear difference in dyno comparisons. |
09-19-2018, 02:11 PM | #23 | |
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I see the a lot of people trying to save money on a header but then spending 1k$ on exhaust and 2-300$ on frontpipe. And then getting a cai and the list goes on. When they could have got the ace to begin with and have more power then all that combined. Or toss all that onto the ace setup later for even greater gains. Also seen used ace headers go for 1100 and add your 350 oft. And redo the math for 1450 vs 650, although neither of those setups will have their tunes optimized. Admittedly the 350$ header would be closer to being optimized on a ots tune. |
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09-19-2018, 02:11 PM | #24 | |
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09-19-2018, 04:52 PM | #25 |
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Yes I’ve seen Justin’s video. He had a revworks (700$) header. Which I believe utilizes shorter runners and a 4-1 design giving it more top end compared to most 4-2-1. Either way yes ace only gained 3whp peak, but if you look at the dyno comparison it isn’t even close. At 5k rpm and below and 6500rpm and above the ace just smashes it. Only between 5-6500rpm did the revworks keep up. And his final thoughts/conclusion was the ace is worth the money/upgrade.
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09-19-2018, 05:08 PM | #26 |
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Op, buy either or. These arguments are asinine. You re car will be a lot stronger than stock either way.
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09-19-2018, 06:09 PM | #27 | |
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Ace is great with impressive gains, but the campaigning as end all be all is even more impressive. |
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09-19-2018, 06:35 PM | #28 |
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What impressive is how simple and easy google and the search function are to find whatever your looking for. Like header dynos and comparison and debates. Every other week another header forum pops up. All the info is at your finger tips already just go take two seconds to find. like this dyno of the revworks vs ace comparison your referring to. Enjoy!
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equal length, headers, hks, tomei |
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