05-20-2015, 06:01 PM | #15 |
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Nice to see that my hunch was right on the spot that real aceheader results should have been way better then preliminary dyno charts. I simply saw no possible reasons for it to not be among other top headers seeing it's design and not seeing possible limitations in it. Even more interesting to me seems it's good performance on petrol, as i don't have E85 here. No torque dip was known before, but nice to see these gains that accompany it. Also seeing that many other top headers reported gains of +35-40whp with other intake & exhaust bits fitted (sometimes even with direct exhaust pipe), but here Everything (including oem airfilter) except header and tune is stock, one can probably add extra 10hp with ease to these results. Maybe even more. Nice bit of hardware for those wishing maximum while staying NA.
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05-20-2015, 06:09 PM | #16 | |
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Quote:
91AKI>98ron>100ron>93AKI For comparison's sake, 91AKi is currently $4.25USD per gallon. 93 is $7.95 & 100 AKI is $8.95
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05-20-2015, 06:27 PM | #17 | |
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Aussie98/100RON>91AKI>European/Asian98RON>93AKI Even on our 100ron (no longer available) we had to pull timing out of maps that would run ok on 91AKI. Fuel is a big issue here we get great gains with E85 as our petrol is so crap. |
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05-20-2015, 06:40 PM | #18 |
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I wonder where is european 95RON placed then (supposedly also listed in manual for my gt86, as allowed fuel). Below or on par with Australian 98 ..
As for E70 or E85 @OP .. i doubt there are much gains to be had above E70 .. there is limit how high detonation number can net noticeable improvements and when even higher detonation number will start showing diminishing returns. At least that is my impression on it from (IIRC) Shiv's thread about need for flex fuel kit .. |
05-20-2015, 06:43 PM | #19 |
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The ptuning headers dyno has me curious......that torque dip is horrible
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05-20-2015, 06:57 PM | #20 |
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PTuning's was designed with racing in mind as main niche/priority. Unlike daily driving, it's more common that engine is kept in high rpm powerband during racing most of the time, so not much of a problem if used in it's intended niche. You simply don't spin engine that slow for it to hit torque dip. As for all the rest Aceheader seems much better allrounder. Except for legality bit due no cat in few states/countries. But then again with cat in Aceheader's header it will loose it's main distinguishing feature - it's long runners not just from overpipe portion but also from header itself runners part length, probably loosing in process these high gains (and who knows, maybe even torque dip won't be fixed as good as it is now, if you halve runners length).
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05-20-2015, 07:08 PM | #21 | |
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Yes I doubt their would be any advantage on an NA car going from E70 to E85 http://datazap.me/u/steve99/south-af...ata=2-20-27-28 |
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05-20-2015, 07:43 PM | #22 | |
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05-20-2015, 09:20 PM | #23 | |
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05-20-2015, 10:49 PM | #24 |
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This is pretty much what I expected. The ACE 4-2-1 is the best header you can buy for our cars.
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05-21-2015, 12:14 AM | #25 |
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Here I was sold on the JDL UELs and then I read this thread.......I can't wait to see more test results though I'm excited!
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05-21-2015, 02:37 AM | #26 |
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On my trip to Europe all pumps has the MON rating, which IMO is more relevant for our cars. AKI is (RON+MON)/2. I found that the good quality 98 fuels were mainly 86/87 MON giving ~92AKI. Here in the UK Shell VPower is 99 RON and 86 MON, the rest are 97 RON when I can't find published data but I expect 90/91 AKI.
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05-21-2015, 03:38 AM | #27 |
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05-21-2015, 08:12 AM | #28 |
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I was thinking of calling you guys to see what you thought of this header... whelp, guess my questions are answered.
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