06-25-2020, 07:10 PM | #85 |
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Nice! Just noticed you have a CR] Ive always wanted to try one, but they are getting super pricy(had the chance to pick one up for around 20k back in 2009 but didn't). How does it compare with a regular S?
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06-25-2020, 09:15 PM | #86 |
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I just noticed this now exists: https://bbrgti.com/products/bbr-mx-5...2019-on-184-ps
I'm guessing most of that comes from the cams, since they only squeezed 7hp out of a tune only. They've done some kind of correction to the HP number so I think the actual bhp may be a little lower. Intake manifold hasn't been touched and the bottom end hasn't been touched, so this little Skyactiv has the potential to get pretty uncomfortably close to S2000 power. This further reinforces my thinking that if you don't need the S2000's bigger cabin, the ND is pretty tough to beat. |
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06-25-2020, 11:33 PM | #87 | |
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The exhaust is a big louder, but nothing noisier. Suspension is significantly different in damping, but coilovers would make that moot as well. |
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07-23-2020, 02:47 PM | #88 |
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I've been driving my friends ap2 s2000 in the canyons every other weekend for the past 1-2 months so I thought I'd post an update here. He's done a few mods since my last post, namely fresher OEM dampers and a max OEM camber alignment (roughly -2.0 F, -2.8 R). I thought these were nice improvements over his previous setup. Seems like the front end has more grip now and maintains contact better with the ground over midcorner bumps. I can still feel the rear rotating under moderate trail-braking but nothing that will catch you out. I actually find his current setup very intuitive and easy to drive aggressively (coming from my tracked FRS). The balance is adjustable with the pedals, which I like. With stickier tires I think he'll want to dial in the alignment a bit more, but on his current tires I think it's good enough.
He also added stoptech sport pads which are just ok. The hot bite is good, but the pads still fade in the canyons when driven moderately hard. I also upgraded my FRS to a lighter flywheel and wanted to see if I'd notice any difference against his s2000. We did a 25-80 mph pull starting in 2nd. Surprisingly this time he pulled half a car in the beginning of 2nd and then we were dead even the rest of the way. Not the result I was expecting! He claimed he may have jumped the horn a bit in the beginning and was able to nail the 2-3 shift (i.e., minimal CDV delay) but I was expecting to make up some ground and instead it was completely even after that. He also had his top up that run (vs. his top down the last time I pulled on him) so maybe that made a difference. I'll try to do another pull with him at some future time, but interesting how close it is between an e85 FRS and stock ap2 in a straight line, which makes it fun in the canyons. Overall I still really enjoy driving his s2000, especially as his car gets closer to how I've setup my FRS. Both of us agree the powerband on the f22c still feels somewhat narrow at times compared with the e85 fa20. He's looking into a hondata tune to lower the vtec xover and raise the redline to try to get at least a 3000 rpm spread on the top end. After that, I think the next area to address will be his brakes. On my FRS, I'm going to see if I can get a set of low grip street tires to match his and even out the playing field a bit in the canyons. Should be fun!
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07-23-2020, 07:53 PM | #89 |
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Wonder how much slower it will be without E85 against the S2000. I want to load the E85 tune but wife won't let me. How much butt dyno difference does E85 actually make for this car?
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07-24-2020, 02:21 AM | #90 | |
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On the butt dyno, the e85 tune is enough to be noticeable, but nothing crazy. Just makes the engine feel satisfying, especially from 4000-7400 rpm.
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07-29-2020, 01:20 PM | #91 | |
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07-29-2020, 03:55 PM | #92 | |
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https://datazap.me/u/darksunrise/532...zoom=1156-1273 Short answer is 34 degrees from approx. 6800-7400 RPM. That's about 10 degrees more on the top end than with the stock tune.
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07-30-2020, 01:22 PM | #93 | |
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Any reason he didn't do the CDV delete? |
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07-30-2020, 05:08 PM | #94 | |
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He shopped around on the CSG page when looking for Stoptech pads but couldn't find them. When he upgrades before his first track day, I'm sure he'll pick up some Carbotech or G-loc pads from you guys.
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07-30-2020, 06:08 PM | #95 | |
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The clutch as a whole is fairly soft; a heavier pressure plate would fix it as would a lighter flywheel. My favorite OE style combo is Toda or Spoon flywheel with OEM disc, and ACT pressure plate. The combo is light, but will easily hold any reasonable amount of boosted power as well. Conversion for push/pull is OS Giken, which is king, but not everyone likes the floating basket noise. That ring is a royal PITA to get out. |
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07-31-2020, 12:18 PM | #96 | |
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To add to this, I believe my 2005 S2000 (intake, single exhaust, no tune, test pipe on 93 octane) would put a bus length on my BRZ (Tomei UEL, single exhaust, stage 2+, full E85) no problem.
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07-31-2020, 01:15 PM | #97 | |
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Yeah I have no doubt with mods the S2000 would be faster, but I can only speak to my own experience (stock AP2 vs. e85 FRS). It'll be interesting to see how much faster his S2000 gets once he has a hondata tune. I'll update here later on.
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07-31-2020, 06:58 PM | #98 | |
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Mathematically, ~8900 F20C ~~8242 F22C While AUC increases with a VTEC drop, swept area (mostly) does not, and for redline pulls, zero gains are realized on a F20C, and only marginal gains on the 1-2 and 2-3 shifts on a F22C. While your AP2 may feel more exciting, with equally skilled drivers and a good tune, your BRZ would actually be roughly even with the AP2. You could even just measure acceleration with Draggy, and find yourself surprised at the BRZ's acceleration. The BRZ squats less and has a longer wheel base, resulting in a lesser feeling of "pull". |
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