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That was my biggest reservation in getting them, most of my drivers are really good, it's just that things do happen and I hate to ding up such a good looking wheel. I wonder if I can run with the rim edge protectors
Quick update with details to come, at Gingerman the 245 Maxxis on a 9" wheel is easily worth 3-5 seconds over a 225 Rival non-S on a 9" depending on the driver and their comfort level with oversteer. We bought a set from the Sahlens Pro team at the track so we were able to run a shaved set. The shaved tires didn't seem to offer better tread life, wear, or heat tolerance vs standard tread depth and I would struggle to tell the difference if they actually felt tighter/less squirmy as well. Still the tire to run wet or dry for us, guess I need to 2.5x my tire budget.
Huge disappointment for the weekend was the inability to run the 245 Maxxis on our shiny new 10" 6ULs. There was an issue when we had them mounted and I didn't have time to rectify it safely with everything going on.
Ok here are the tire pics. These were shaved down to 5/32 (new is 9/32) and run for 7 hours at Gingerman. The "L" indicates driver front and the tires are placed as they were on the car.
Good information, interesting to know that shaving had little to no seen benefits. What was the baseline Rival time you're comparing to? And when was it set? Similar conditions? The track got a bit quicker after the repave in case you're comparing it to pre repave.
Good information, interesting to know that shaving had little to no seen benefits. What was the baseline Rival time you're comparing to? And when was it set? Similar conditions? The track got a bit quicker after the repave in case you're comparing it to pre repave.
Same weekend actually, we ran the 225 Original Rival tires on Saturday and 245 Maxxis VR1 tires on Sunday. Our fastest time was a 1:47.5 with a big spread across drivers Saturday, then a 1:44.5 with a tighter grouping on everyone's lap times Sunday. The car still has 2 easy seconds left in it if not more with more tuning and tweaking.
Same weekend actually, we ran the 225 Original Rival tires on Saturday and 245 Maxxis VR1 tires on Sunday. Our fastest time was a 1:47.5 with a big spread across drivers Saturday, then a 1:44.5 with a tighter grouping on everyone's lap times Sunday. The car still has 2 easy seconds left in it if not more with more tuning and tweaking.
Wow impressive! I just checked out your page, was this on the J-swapped car?
Him also say "[Spring] reinstalled and compressed only with the weight of the car" in the next image and the difference between that and the full compressed looks to be maybe two inches or so.
Update: I have 3 corners done, the rears do require more work than the fronts and each corner is a little different. I recommend you pull each spring and check compressed clearance for every corner. Note on the front, don't forget to check full lock as Emilio pointed out. You may need to block and reposition the jack when compressing the fronts for each steering lock direction.
The Money shot
Full lock, hitting control arm I believe. Other direction clears as well. I ended up having to roll this side further than the drivers side (shown above) after checking steering angle. Major area of concern for rolling/pulling is right above the center of the wheel.
Spring removed, compressed onto the bumpstop
Rear rolling, out to 13" when parallel to the ground
Rear rolling, out to 13" when parallel to the ground (2)
Fully compressed rears with extended top hats, springs removed. Hitting upper control arm to frame/body. (I added taller bump stops after this.)
Ability to hit upper control arm (rear).
Rear setup with spring removed.
Rear fender clearance after a pretty decent roll and pull
Final clearance. You can see where I got a little carried away with the roller going too far forward.
Originally Posted by CAH
We (Tire Rack) received an update from Pete Calhoun (BFG Motorsports Marketing Manager) this week to clarify the situation. The revised tires will have a new part number, the speed rating will be revised from W to V. BFG is still in the pre-production stage for the revised tire andno "new spec" tires have made it into the market yet. The set that Andy H tested for GRM were a pre-production "Test Set".
7 current Rival-S sizes are planned to receive the update, 205/50r15 through 245/40r18 (all 3-rib designs) The wider, 18" sizes will be unchanged. At this time we do not have a firm ETA for the new version, but the indications are late summer for all sizes to become available..
Late summer is upon us. Any update to the above info? Neither the Tire Rack people or BFG people I can actually get on a phone have any idea of what this is about.
Here's some pictures of these on my car, fit with lots of room under carbonmiata fender flares. It's amazing how much better these feel coming from stancy heavy wheels, I'm really looking forward to getting some more track/autox time.
Here's some pictures of these on my car, fit with lots of room under carbonmiata fender flares. It's amazing how much better these feel coming from stancy heavy wheels, I'm really looking forward to getting some more track/autox time.
08-30-2016, 01:54 PM
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