09-14-2023, 06:48 AM | #71 |
Drives: Chevrolet SS 1LE Join Date: Oct 2019
Location: St. Charles, MO
Posts: 1,446
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I do the same, except it's three on the carrier and one in the trunk.
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Matt Miller
2020 SS 1LE |
09-14-2023, 08:36 AM | #72 | ||
Drives: 2019 ZL1 1LE Join Date: Sep 2010
Location: Bastrop, TX
Posts: 438
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Solostorm said I fixed ~6 tenths worth of mistakes on my 3rd run, but gave it all away with 2 blown corners. My driving on the first day was also sub-par, coning my first two runs and then putting in a 3rd run that was 6 tenths slower than my first run. I can't recall ever having my fastest runs at Nationals being my first run on each day. Something I'm doing wrong here for sure. Dave drove great and has built a killer car, 350 lbs lighter than mine across the scales, but in the end I can still point to my own lack of execution for the huge gap. It was a lot of fun, not sure what's in store for next year, might do something goofy. |
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09-14-2023, 09:12 AM | #73 |
Drives: '23 1SS 1LE Join Date: Jul 2019
Location: SE Michigan
Posts: 66
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Slightly off topic but I would love to see pictures of your bike rack/carrier conversions.
I never considered a solution like that. I've only seen tire trailers or trying squeeze all 4 tires in the cabin/trunk. Thanks! |
09-14-2023, 06:51 PM | #74 | |
Drives: 2018 Hyper Blue 2SS 1LE Join Date: Aug 2018
Location: Dessert
Posts: 486
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I guess my tire guy likes me, I got my last set of 315/30R18 V2s for $1650 installed. A bit more than the $1400 I paid for V1s but not too terrible. Tire Rack's price sent me into sticker shock.
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2018 Hyper Blue Metallic 2SS 1LE with Nav, PDR, and track alignment
1:34.20 Willow Springs Big Track |
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09-14-2023, 09:08 PM | #75 | |
Drives: Chevrolet SS 1LE Join Date: Oct 2019
Location: St. Charles, MO
Posts: 1,446
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I didn't mean to sound like an anti-Chinese-import guy. I'm aware that good products can be made in China if the company specs it properly and makes sure the factory actually adheres to the specs. I just meant that a product made in China shouldn't be way more expensive than one made in Japan or the US. But I didn't realize these Nankangs are made in Taiwan, and I wasn't thinking about tariffs. And no, I don't want to get into a political discussion...at all!
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It works well enough, but you have to watch driveways that it doesn't scrape. The metal plate that forms the main high support does bend down under load, but it doesn't bend to yield. The curve of the neck in the cargo carrier helps raise it up usefully so it doesn't drag over dips and bumps in the road. I might pull the hitch off and try to reinforce over the winter so it doesn't bend down as much under load.
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Matt Miller
2020 SS 1LE |
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09-14-2023, 10:42 PM | #76 | |
Drives: 2018 Camaro 1SS 1LE Join Date: Sep 2018
Location: Front Range, CO
Posts: 1,868
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That is a lot of weight reduction on Dave's car, I'm curious what it takes to do that...
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09-14-2023, 10:50 PM | #77 | |
Drives: 2018 Camaro 1SS 1LE Join Date: Sep 2018
Location: Front Range, CO
Posts: 1,868
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On weight, I have the same Curt hitch GM sells as a Camaro accessory. 2 wheels is probably the limit for this hitch, about 100 lbs or so max.
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09-15-2023, 12:27 AM | #78 | ||
Drives: 2020 SS 1LE Join Date: Aug 2020
Location: NorCal
Posts: 658
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I just dont have the room for a trailer so the hitch/tray would be a better move. It would allow me to drive on my street tires to/from events and reduce how many heat cycles I put into my track tires. Plus, having space in my car allows me to take a passenger too! |
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09-15-2023, 10:39 AM | #79 | |
Drives: 2019 ZL1 1LE Join Date: Sep 2010
Location: Bastrop, TX
Posts: 438
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09-15-2023, 11:56 AM | #80 | |
Drives: 2018 Camaro 1SS 1LE Join Date: Sep 2018
Location: Front Range, CO
Posts: 1,868
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My thought was to just buy a used Camaro GT4R and salvage title it. They're $125k and ~3200 lbs. A bit too much for me right now, maybe someday.
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09-15-2023, 04:11 PM | #81 |
Drives: 2021 Camaro SS1LE Join Date: Jun 2023
Location: WA
Posts: 1
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CR-S v2 hot pressures? Any data on running pressures at HPDE? Just got a set 305/30/19 and mounting them up now. Previously ran my 3Rs at about 31 hot. thanks
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09-17-2023, 12:05 PM | #82 |
Drives: 2018 Camaro 1SS 1LE Join Date: Sep 2018
Location: Front Range, CO
Posts: 1,868
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The new 18x12s w/295/35 RE71RS worked really well! I was definitely faster, and within .3s of the winning AS Cayman which was driven by a past nat'l champ at a BMW club race yesterday. I ended up 5th overall PAX, but this race wasn't as competitive as local SCCA races. My car is pretty much stock besides alignment and wheel/tire setup, so not bad for the new .827 CAMC PAX index.
Here's a couple of pics of the bike rack turned wheel carrier...
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Last edited by DaveC113; 09-17-2023 at 02:11 PM. |
09-17-2023, 05:14 PM | #83 |
Drives: '94 Z28+ '15 Z/28 Join Date: Jun 2009
Location: Cheektowaga, NY
Posts: 1,282
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I've mounted 4 sets of new RE-71 RS's and they are the toughest I've ever messed with. Gave up on doing the fronts for a friend of mine. I was messing with his front tires for 5 hours over a few days. Then I did my own front tires and they were like any other tire, but did take way more pressure to fully seat. I certainly hope this isn't the new tire "trend". It seems that every year or 2 some new tire comes to the market that is faster than the rest, and is harder to install than the rest.
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1973 Mach 1, 351C cruiser
'15 Z/28 Red Hot, A/C 1980 Z28- resto-mod project 1979 Y84 Trans Am 1986 IROC-Z |
09-17-2023, 05:33 PM | #84 |
SoCal Camaro5 Race Team
Drives: 2021 Shadow Grey Camaro 2SS 1LE Join Date: Mar 2010
Location: SO CAL
Posts: 14,288
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I can only answer for autocross, crs v1s and v2 s like 35/36 hot. And they can get softer as they heat up so keep pressure at those above. Road courses I was told the same psi but have never done one. They have a soft sidewall. But 37 and above get greasy and over 150!degrees lose time. Autocross anyway
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