07-31-2020, 07:00 PM | #99 | |
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07-31-2020, 10:11 PM | #100 | ||
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Uh, I mean technically the feeling of "pull" is simply your body reacting to the force of acceleration. The "squat" and long wheelbase has little to nothing to do with the acceleration G's that you feel. None of this is to say that the "perception" of G's isn't affected by what you mentioned, as well as other stimuli.
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07-31-2020, 10:20 PM | #101 | |||
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Alternatively, throw some 17's with a modern compound on the s2000, and watch the times skyrocket. S2000 launching falls into a unique territory requiring some wheelspin that actually results in faster acceleration than hooking up and bogging, with no clutch slip involved. Of course, if/when the factory diff fails from this type of drag racing, the S2000 will have effectively zero acceleration Quote:
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08-02-2020, 03:24 PM | #102 |
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I met up with my friend again this morning for some more canyon runs. Good fun as always. Only change from last time was the CDV delete on his AP2. It's a pretty small difference IMO, at least in the canyons with redline shifts. I think I can tell a slight difference, but it's nothing like the quick grab feel on my stage 1 clutch, for example. Much more subtle than that.
We also did yet another pull (5-75 mph), except we switched cars for this run: I was driving his AP2 and he was in my FR-S. Pretty much the same as always, nearly even. 1st gear we were side-by-side. I pulled maybe 1/4 car at the top of 2nd, but he started inching back as soon as I shifted into 3rd. We let off before 80 mph and I think I had 1/8 car length on him at the time. No matter who is driving, it's really neck-and-neck between my E85 FR-S and his AP2. Possibly a slight advantage to his AP2, but not sure. Comes down to driver/launch more than anything. That said, both are really amazing cars to drive in the canyons. I still prefer my FR-S, especially when I'm looking to go fast, but it's got more in the way of handling mods than his S2000 so not really a fair comparison. I'm planning to mount my stock OEM all-seasons next (8 years old now!) so that should be a better comparison.
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08-03-2020, 11:02 AM | #103 |
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Ehhhh, I was chatting with a TireRack guy about the age of tire rubber. Unmounted shelf life is about 10 years, mounted life is around 6 years. My AP1 had 6 year old rears and 11 year old fronts. Safety (and handling) really comes into play when you're carving the twisties.
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08-03-2020, 06:21 PM | #104 | |
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08-07-2020, 08:41 AM | #105 |
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Not to be alarmist, but I would not be driving aggressive on old tires on public roads. If that tire goes there is not a lot of room for error. On track or autox you have more room, but why lose the grip. Maybe drifting to save money.
I know, I have had plenty of 7 year old tires with tons of tread left, but why accept the risk when you can afford not to. I mean it’s the only thing keeping you on the road. I have given away two sets of summers with 8 years or so on them. I often wonder how long these people drive on them. It’s so funny that people will spend thousands modding there car, to get a second faster, but than are cheap on tires, which provide so much of your cars performance feel and safety. |
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08-07-2020, 10:19 AM | #106 | |
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I've got two sets of track wheels. What I'd be doing is turning one set into low grip street/canyon wheels. The other set still has sticky 200tw tires and will continue to be used for track days. With the way it's setup, my FR-S is much faster than my friend's S2000 in the canyons. Acceleration is even, but it's got way more grip so cornering speeds are significantly higher. It's less fun this way since I lose sight of his car in my rearview mirrors after a handful of corners, which defeats the point a bit. Putting low grip tires on my car would even the field (maybe too much, we'll see!) and also allow more opportunities to play with the handling balance. My OEM tires/wheels are essentially paperweights at the moment since the they don't fit over my BBK. Seems like a good way to get value out of the tires. If the tires end up being really sketchy, I'll just take them off and chuck them and I'd only be out the mounting costs.
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08-07-2020, 05:59 PM | #107 |
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Finally convinced the wife to let me load the E85 tune using OpenFlash after showing her how many Propel stations we have in my area(Norcal). She was worried about not having enough places to fill up as this is the car we generally use for long trips(frs is the most practical car we own, our "family car").
I've been doing a lot of research on long-term effects of using a OpenFlash E85 stage2+ tune and not flex-fuel kit. Most posts have been theoretical with no real-world reports of issues. Has anyone had issues related to using a E85 tune after a lot of milage? |
08-08-2020, 11:20 AM | #108 | |
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There are some things you can do to be extra cautious. Use a quality SN-rated synthetic oil and change your oil more often. Don't let E85 sit in your car too long and keep your tank full. Run 91 through your car every once in a while.
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08-09-2020, 08:20 PM | #109 |
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Flashed the E85 tune this weekend. First day I didn't notice much difference as I was taking it easy, but I did notice at low RPMs the car felt a little bit lighter, almost like it's more aerodynamic. I can actually pass in 6th gear on the highway now. I have UEL uncatted header and with E85 engine seems to sound a little smoother and exhaust sounds a little quieter.
Second day after the fuel trims have stablized I topped up the E85 and hit the canyons. It didn't feel like night and day difference but it was definitely very noticeable. The engine is now more eager and better matched for the handling of this car. Car no longer feels it is handicapped by the engine. Downshifts and rev matching is a bit faster and more precise. Did some pulls against my S2000 with wife behind the wheel and it's neck and neck. Do you mean after a few tanks of E85. Switch tune back to 91 and run a tank of 91 then switch tune back to E85? |
08-09-2020, 11:39 PM | #110 | |
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08-12-2020, 03:44 PM | #111 |
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I dunno about that, my FR-S tires had some tread left but the compound itself was very very "greasy" at 4 years when I got rid of it. Not sure if thermal cycling or winter usage by a previous owner had something to do with that. I guess it depends on the tire, where it's stored, how it's used, etc. I didn't notice much loss of grip at 5 years on some other cars.
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08-12-2020, 11:17 PM | #112 | |
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