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There is apparently in car video. This was at an autox school, where we'd previously stressed that spin means both feet in. Just a lane change element. TrueChaos fucked around with this message at 05:25 on Jul 10, 2017 |
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Jul 10, 2017 04:20
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| # ? Apr 19, 2024 18:46 |
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SW20 MR2: Unsafe At Any Speed
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Jul 10, 2017 04:30
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I dunno. As a former SCCA safety steward, I always thought that if there was an accident at an autox that didn't involve massive driver failures (which may have happened here), there were some course design issues. I've also seen a huge number of autox course design issues. No one seems to understand how far a car will travel even with feet in. And guess who gets to be the bad guy when they bring it up? (Hence the former, gently caress that bullshit, never ever again. Also, if you autox with the Sacramento SCCA you take your life in your hands unless poo poo has changed.)
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Jul 10, 2017 06:23
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nm posted:I dunno. As a former SCCA safety steward, I always thought that if there was an accident at an autox that didn't involve massive driver failures (which may have happened here), there were some course design issues. I would agree with you here. We had others spin in the same manor in the same spot at higher speeds without getting anywhere near a pole - it took a lot of effort to get there, significant mistakes were made.
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Jul 10, 2017 12:18
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Phone posted:SW20 MR2: Unsafe At Any Speed They aren't that bad! I've only ever spun mine when it was wet or like -2° on track and I turned in way too hard on cold tyres. Shame that white one is pretty much hosed, I guess they could reshell it though.
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Jul 10, 2017 13:15
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nm posted:I dunno. As a former SCCA safety steward, I always thought that if there was an accident at an autox that didn't involve massive driver failures (which may have happened here), there were some course design issues. Yeah course design always felt a little bit sketchy when I did autocross, did see some kid put a new financed off the lot Camaro SS into a tree with a marshall like five feet away and that really killed my enthusiasm. I felt way way safer making the switch from autocross to karting.
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Jul 10, 2017 16:28
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track day bro! posted:They aren't that bad! I've only ever spun mine when it was wet or like -2° on track and I turned in way too hard on cold tyres. I have a non-turbo. The oversteer is really exaggerated.
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Jul 10, 2017 16:39
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Anybody have any actual, real-life experience with tire life on RE-71s? I know they are THE fast tire out now. Running a 1.6 miata, so real slow. Would be moving up from AD08s. HPDE use only, some street.
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Jul 10, 2017 16:52
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6 hours on track. Or a whole season of autox if you're lucky. Since you're on a 1.6L, buy the 195 RS4.
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Jul 10, 2017 16:54
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Why do you suggest the RS4, esp in 195? I'm running a 15x8 FYI.
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Jul 10, 2017 16:57
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Because they'll last significantly longer than one weekend and the 1.6L isn't going to be helped by either 225s or 245s.
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Jul 10, 2017 17:11
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Do you really think the RE71s wear that fast? MY AD08s weren't new when I picked them up and I've done 5 days so far and they're doing great.
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Jul 10, 2017 17:21
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No, I don't think they wear that fast, they probably only last 4 or 5 hours if it's extremely hot outside and if you like a decent amount of slip angle. They're also last year's tire tech and Bridgestone wanted everyone at autox nationals to be aiming for the Bridgestone contingency money.
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Jul 10, 2017 17:28
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http://imgur.com/a/KdjF5 Forgot to post these up before... random photos from walking around the paddock at Blackhawk Farms on my race weekend.
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Jul 14, 2017 18:49
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Blaise posted:Anybody have any actual, real-life experience with tire life on RE-71s? I know they are THE fast tire out now. Are you doing time trials? Or just lapping? There's not much point to burning off RE71s (or Rival S) if you're not trying to win. I have heard great things about the RS4 from chump teams though. mekilljoydammit posted:http://imgur.com/a/KdjF5 Forgot to post these up before... random photos from walking around the paddock at Blackhawk Farms on my race weekend. That ITS big bumper E30 is pretty sweet. The vintage cars are nice too. Crustashio fucked around with this message at 02:41 on Jul 15, 2017 |
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Jul 15, 2017 02:38
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Crustashio posted:Are you doing time trials? Or just lapping? There's not much point to burning off RE71s (or Rival S) if you're not trying to win. I do the same thing, but with slicks. I just bought a set of toyo RR's because they should last a bit longer than hoosier r7's for de/open track days. 275 slicks are slim pickings for options  re71's kinda suck on the street, i second the notion to try out the rs4's, since they should be a better street compromise.
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Jul 15, 2017 15:43
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Just finished an SCCA double weekend crewing for my dad. Just a regional. Super stoked though - best time at Blackhawk Farms before was about 1:26.0, dropped down to a 1:24.5. Still about 3 seconds off from the absolute lab record, but he's within about a second of the non-national-championships-level fast local guys. Unfortunately, race ended with what I suspect is a burned up caliper piston seal - brakes stopped working, lots of glycol scented steam and the car making puddles on the ground by that wheel makes it not a hard diagnosis. Oh well, one more thing to add to the pre-race checklist. Fukkin' stoked though. Next event is Road America for him in the middle of August, then I get to run there in September. ... oh yeah, eye opening thing. Talked to a couple running FFR Cobras, normally with NASA but they came out to SCCA. They said that after 40 heat cycles on a set of Toyo RRs, the husband passes it to his wife and she gets another twenty before risking flatspotting. Coming from running Hoosiers... well, given as how I run Midwest Council and can run wider than stock wheels (dad runs SCCA T4 and can't) I'm thinking about picking up some wider wheels and putting wider RRs on. Because holy crap going a season or two on a set of tires would be ridiculously awesome.
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Jul 17, 2017 01:31
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It must be smooth US tracks because our experience with RRs was not significantly more life than R7s before dropoff. And that is takeoff R7s vs brand new RRs. I'm halfway through my set of NT01s now, I think I'm going to try the Maxxis RC1 next because they are cheeeeeeeeap.
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Jul 17, 2017 02:36
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I'm running RS4's, and can confirm they stick like glue, wear like iron, and work better than Re71r's when it's stinking hot out. I don't have a comparison against slicks, but one of the fast guys in a stripped out Miata making 200ish at the wheels was just over 2 seconds slower than hankook c51 slicks - 2:20 vs 2:22.
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Jul 17, 2017 03:07
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I've been running the SUR4 and it's been great so far. Pretty sure it's the Hankook RS3v2 compound. Heard good things about the SUR4G, which is probably the RS4 compound. Picked up a set of RT615k on closeout, along with another two SUR4. Hopefully that lasts me to the end of the year (probably won't). 
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Jul 17, 2017 03:21
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mekilljoydammit posted:Unfortunately, race ended with what I suspect is a burned up caliper piston seal - brakes stopped working, lots of glycol scented steam and the car making puddles on the ground by that wheel makes it not a hard diagnosis. Oh well, one more thing to add to the pre-race checklist. How many events on those seals? We rebuilt ours every season and just carried spare calipers and rebuild kits after having one fail. That's a nasty feeling though, good he was able to get it in to pits safely.
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Jul 17, 2017 11:24
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NitroSpazzz posted:How many events on those seals? We rebuilt ours every season and just carried spare calipers and rebuild kits after having one fail. That's a nasty feeling though, good he was able to get it in to pits safely. "Did we change the calipers when we converted from a street car to a race car?" "Uh. Hm. I'm actually not sure now that you bring it up." It's at least half a dozen events... besides that this weekend my dad went faster than either of us have in that car, with the car heavier than it's ever been (we're ballasted to SCCA's minimum weight instead of running it as is like we mostly had been, which is about a 200 pound difference). And also we hadn't messed with brake ducting because there had never been any sign of issue. And yes, I knew that's not the brightest attitude even before we had a failure, we just didn't want to tear into the car to do it right yet.
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Jul 17, 2017 12:26
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mekilljoydammit posted:Just finished an SCCA double weekend crewing for my dad. Just a regional. Super stoked though - best time at Blackhawk Farms before was about 1:26.0, dropped down to a 1:24.5. Still about 3 seconds off from the absolute lab record, but he's within about a second of the non-national-championships-level fast local guys. I used to crew for some FFR guys, those things are unbelievably gentle on tires. I'm guessing its how much tire they have relative to weighing in around 2400lbs but I could be wrong. I remember the last year NASA nationals was at mid oh we got more free tires from Toyo contingency than we used. It was awesome.
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Jul 17, 2017 13:17
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I guess I didn't think about the "maybe not hard on tires" aspect. Still may try a set though. Then again, the set of R7s we started running before we kept track of heat cycles (I know, I know) is still going pretty well so maybe I've been underestimating the life span.
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Jul 17, 2017 14:58
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Would Enkei NT03 be good track wheels for the Focus RS? Can get a set for 1200 shipped and I'm really considering it. They would be 18x9.5 so could put some decent rubber on there.
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Jul 17, 2017 15:28
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Yeah. They're light, strong and A E S T H E T I C I love them.
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Jul 17, 2017 22:57
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Who's coming to track night at NJMP tonight? 
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Jul 25, 2017 14:37
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Not me, I crashed my car into the wall between turn 4 and 5 at the last NJMP :'(
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Jul 27, 2017 21:30
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I'm buying a SA helmet since I now will be running a 6pt and HANS (still need to order than HANS too) so I'm looking for something similar fit wise to what I've worn in the past without the ability to try one on before ordering. I actually fit my helmets correctly size and shape wise, instead of flopping around like most people, so a proper fit, to me, is something that is tight, but creates no hot spots from the shell. It's been my experience that helmets basically break in a full size. I've spent time in and fit well in: Small Arai Vector 2 Small Shoei RF1100 Extra small Scorpion Exo400 I don't fit a Bell RS1 since it is too narrow across the crown. Gave one of those away. I was looking at the HJC AR-10 III. Anyone have experience crossing over from motorcycles and worn these helmets? BlackMK4 fucked around with this message at 04:57 on Jul 30, 2017 |
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Jul 30, 2017 04:26
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I've used an HJC AR10 (pretty sure it was that model) for the last few years and have no complaints.
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Jul 30, 2017 21:12
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drgitlin posted:I've used an HJC AR10 (pretty sure it was that model) for the last few years and have no complaints. Have you worn any motorcycle helmets for any length of time? What were they?
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Jul 30, 2017 21:38
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My SA2000 AR10 had really bad ventilation, I could never use it with the visor down.
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Jul 31, 2017 01:49
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BlackMK4 posted:I'm buying a SA helmet since I now will be running a 6pt and HANS (still need to order than HANS too) so I'm looking for something similar fit wise to what I've worn in the past without the ability to try one on before ordering. I wore an EXO400/700 for over 5 years and an Arai Corsair RX-7 since on my bikes. I moved to an AR-10 and love it. Go for it!
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Jul 31, 2017 14:10
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FatCow posted:My SA2000 AR10 had really bad ventilation, I could never use it with the visor down. I always had to leave mine cracked but it's the only helmet (of about 2-3 mail order ones I tried since I too couldn't try them on locally) that fit my massive dome. All the others put too much pressure on my forehead.
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Jul 31, 2017 14:13
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Blaise posted:I wore an EXO400/700 for over 5 years and an Arai Corsair RX-7 since on my bikes. My man. Thank you 
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Jul 31, 2017 15:06
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FYI You can continue to use an M helmet that you have, just add the HANS inserts and you're good to go. Not much use if you have a SNELL '15 M helmet to go to an SA unless you plan to wear a suit/etc. My RX-7 was 2005 so it was time to get a newer one.
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Jul 31, 2017 18:39
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I was thinking about that since I love my Arai, especially since they have literally saved my life twice. I was worried about the shell thickness not being enough at the tether area and figured MAYBE SA helmets have some extra shell there? Is that a thing? 
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Jul 31, 2017 18:56
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The huge flat washers (at least what I installed on my old 2005 helmet for HANS) spread the load enough so it should be sufficient.
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Jul 31, 2017 19:06
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Nope, my HANS came with instructions to drill and add your washers. I'd keep your Arai if you like it and it's a 2010 or '15 rating.
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Jul 31, 2017 19:31
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Well, poo poo. May as well save myself $300 then. I ordered the Schroth Super Sport XLT HANS from Ireland since I got it for $322 shipped.
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Jul 31, 2017 19:51
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