03-02-2024, 11:47 AM | #3697 | |
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03-02-2024, 11:48 AM | #3698 | |
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03-02-2024, 02:52 PM | #3700 | |
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Looking mostly for seat time but want a tire that can still hang with the top of the pack. I was thinking rt660,crs or contact force Last edited by Redline10000; 03-02-2024 at 03:04 PM.. |
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03-02-2024, 08:42 PM | #3701 | |
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Well there is a significant drop off in durability as you go for faster tires. I love endurance tires for seat time - ECFs and RS4s. You’ll easily get 10 days out of them and still have faster than Cup 2 pace. In comparison, you may eke out 5 days out of a set of CRS/RE71/AO52s type tires. I’ll probably go to ECF after my RE71s are done so I can continue to work on my driving.
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03-02-2024, 10:38 PM | #3702 |
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I found this site https://www.tiresandco.ca/tire-equivalence-advice.html. Based on the table 265/35 and 295/35 are ideal for my wheels. Anyone run this combo ? I see that it’s a 0.8 stagger. Will that mess up mdm?
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03-03-2024, 07:54 AM | #3703 | |
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If for some reason you need staggered wheels and tires, maximize each axle. 10.5 up front and 11 rear. Or just do square 10.5 wheels like most people. Given that you are on stock suspension, you may be overthinking the tire portion, as pretty much all 200tw have more grip than your suspension can handle. |
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03-04-2024, 10:49 AM | #3704 |
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Someone better scoop this up: https://www.racingjunk.com/other/184...np_offset=43#4
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03-04-2024, 10:54 AM | #3705 | |
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03-12-2024, 03:58 PM | #3706 |
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Does anybody run solid diff bushings on their street driven F80? Found this kit with the offset bushings while looking at different options where I've typically just seen the poly configurations or KMP. Pricing looks good.
My F80 is a street/track build that I enjoy taking on the street occasionally, and have never been in a car with solid diff bushings. If anybody has feedback that'd be great! My car isn't exactly quiet or luxury with the Nitrons/APs/Recaros/Exhaust but it's all a balance haha. I know there will be added NVH/whine but how bad is it driving on the highway? Also considering their rear arm bundle to have more control of the fitment of aggressive setups in the rear. I've currently got 295/35 square and absolutely love it. I have very slight rubbing under hard compression after giving the fenders a pull. If I changed the wheel offset to +30 or above it wouldn't be an issue, but really just comes down to my wheel taste Feel like if the subframe is being dropped for the diff, and arms are being installed, might as well do the sway bars too (GTMore?)... this is starting to get out of hand!!
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03-12-2024, 04:25 PM | #3707 | |
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The nicest thing about the double diff support is to raise the diff 10mm like the M4 GT4. If a kit can't do that, I wouldn't bother. The GtMore sways are great, I'm happy to have them |
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03-12-2024, 04:34 PM | #3708 | |
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The GKTech kit I linked includes the Dual Diff Support + offset bushings to raise the diff 10mm. The pricing is attractive at 1/2 the price of KMP's offering. It's $500 vs $1000, which is what got me interested in a solid setup! Thanks for the feedback on the GTMore sways!
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03-13-2024, 10:03 PM | #3711 |
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Thanks!! Look forward to your feedback. I spoke with a few people who said that with their full interior cars and rear seats up, the additional NVH and whine specifically aren't bad. So I'll probably just go in that direction, especially given the price of that kit and the direction the car is going. Forever chasing my ideal clubsport build
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03-14-2024, 09:34 AM | #3712 | |
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03-14-2024, 12:02 PM | #3713 |
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I second this. I also have the full rear interior removed, no carpet from diver's seats back, no rear seats, no trunk carpet or liners, TMS bracket and ECS bushings... I love the sounds. I don't even listen to the radio anymore. Between the whine from the diff, the transmission whine (poly tranny mounts and shifter bushing), clicking and clacking of the full SPL suspension... It's a fun ride. With full interior in, it really wasn't that loud at all.
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03-15-2024, 09:41 AM | #3714 |
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Last edited by Track/S; 03-15-2024 at 09:47 AM.. |
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SYT_Shadow11487.00 drroc420.00 |
03-19-2024, 08:49 PM | #3715 |
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I am giving a serious thought to remove the A/C from my E92 M3. I got to wonder, is this “feature” unique to the E92M3 or you guys on the F80 do that as well ?
As a test, I am driving with the A/C off this summer to ses if I “need” it. The actual project and budget is on the schedule for winter 2025. |
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03-20-2024, 09:52 AM | #3716 | |
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04-01-2024, 10:24 PM | #3717 |
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Is anyone running RT660's here? I am trying to find the ideal tire pressure to run. I have been running 28 cold and it will shoot up to 35-36 after the first session and I bring them down to 28-29 or so.
I am only going to streets of willow right now...usually the start of the day is around 40 degrees and by mid day 55-60 degrees. Still new to car track days have been doing motorcycle track days for the past 8 years or so and I know how important TP is. |
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