Track forum general chit chat.

[warp10]

Originally Posted by ///Mobbin

So I just picked my car up from the shop yesterday and

The car has never felt as dialed in as it does now. Between the poly engine and transmission mounts and removing the front tender springs (I was experimenting with ~180 ft/lb tenders) the car feels incredible.

dogbone warp10 I need to see how these AKG mounts hold up after some track abuse but these may be a good addition for you. The main benefit for me is that the car does not dip forward when I touch the brake pedal, it just plants, allows for a lot more on/off the brakes finesse. I experienced this before with the vibra-technics mounts before they failed on me, then went back to OEM, now on to poly and it's a notable difference. Can't wait to try this setup at COTA on my b-day in a few weeks.

I should also mention that my rear-view mirror is blurry most of the time now b/c of the NVH, completely acceptable for me but I wouldn't do this to a daily!

Yes please let me know. I am running the Bimmerworld Performance mounts. Similar to the bmw group n mounts.

[dogbone]

Originally Posted by ///Mobbin

So I just picked my car up from the shop yesterday and

The car has never felt as dialed in as it does now. Between the poly engine and transmission mounts and removing the front tender springs (I was experimenting with ~180 ft/lb tenders) the car feels incredible.

dogbone warp10 I need to see how these AKG mounts hold up after some track abuse but these may be a good addition for you. The main benefit for me is that the car does not dip forward when I touch the brake pedal, it just plants, allows for a lot more on/off the brakes finesse. I experienced this before with the vibra-technics mounts before they failed on me, then went back to OEM, now on to poly and it's a notable difference. Can't wait to try this setup at COTA on my b-day in a few weeks.

I should also mention that my rear-view mirror is blurry most of the time now b/c of the NVH, completely acceptable for me but I wouldn't do this to a daily!

Ah, so you ditched the helper springs. Yeah, I don't miss mine at all.

For a track car, I did enjoy the rawness of the Vorshlag engine mounts. But the car is just a bit mellower on the OEM engine mounts. I don't really care about engine mounts that much. I just don't want to break/rip/damage them. Obviously, the supercharger adds to the degree of difficulty for the engine mounts. I've considered just going full solid metal for the engine mounts. When these OEM ones tear---and they will tear (maybe they have already), I may try that route, unless someone who has supercharged power can vouch for some other option.

Anyway, enjoy! Let us know how things go!

[Mantii]

Took the plunge and ordered the Nankangs from simpletire.com

They actually have a store on eBay and it's even cheaper. Cost me $450 shipped for 265/35/18. On the website it's $500, so saved $50 through eBay.

[roastbeef]

Someone get this thing and make a quick mount that can either use the oem wheel, or this wheel for track days... I wonder how the shorter radius would be...

[kyippee]

Super happy that I set a new PB this weekend at Laguna Seca. Comparing to other E9x drivers' videos, it's clear I should incorporate more trail braking, continue to work on lines and fix my turn 11 approach.

Also ended the day with just 2-3mm of front pads left - time for new ones!

If you want to see my mistakes aka opportunities for improvements, my PB session video is at: [skip to 13m:36s]

[1MOREMOD]

0 gs impressive

[NoCarrier]

Originally Posted by kpewpew

Super happy that I set a new PB this weekend at Laguna Seca. Comparing to other E9x drivers' videos, it's clear I should incorporate more trail braking, continue to work on lines and fix my turn 11 approach.

Also ended the day with just 2-3mm of front pads left - time for new ones!

Always feels good to improve. What tires?

[kyippee]

Originally Posted by 1MOREMOD

0 gs impressive

Yup, I brought my water cup to make sure I drive smooth taking the tofu 'round the track. Yeah, the G-force meter seems to be broken when using lap timing with Waylens. I hope they'll work it out soon

Originally Posted by NoCarrier

Always feels good to improve. What tires?

Thanks! The feeling is great when there's a new PB, hopefully I can hone in further and get down to 1:46.xx or lower next time.

Running pilot super sport in 265/35/18 and 285/35/18. Not much tire squeal, either they're quiet or there's more grip to be used. I'm getting squeal mostly on heavy braking and in middle parts of turns. I don't think I'm using the full traction available yet, so I'm happily whittling away the two sets of PSS I have on my wheels! Suspension stock ZCP too, nice to mod but I feel like it'd just be a crutch at the moment.

[SQ13]

Federal FZ-201s performed great yesterday. I do lack confidence in my brakes though. I may need to move up to a BBK.

[inTgr8r]

Good stuff!

Its funny sometimes how setting a PB lap goes.
I've often set them when I least expect it....
lap is smooth and flowing but doesn't feel FAST.

Ive also often set them right after having a passenger for a session.
Its amazing how the car works so much better w/o that extra load.

[///Mobbin]

Originally Posted by SQ13

Federal FZ-201s performed great yesterday. I do lack confidence in my brakes though. I may need to move up to a BBK.

Nice lap and great video, congrats on the PR as well!

A few of my friends were there this weekend, they were in a blue GT4 (this guy is insanely fast) and a Sakhir orange F80 M3. Sorry I missed the fun but will be back with MVP Tracktime in ~4 weeks!

[scotty_miller]

Originally Posted by SQ13

Federal FZ-201s performed great yesterday. I do lack confidence in my brakes though. I may need to move up to a BBK.

How do you compare the fz to an NT01 or re71? Have a set of 285 fz201 I'm waiting to mount up and anxious to see the feedback people are giving these

[admranger]

Originally Posted by kpewpew

If you want to see my mistakes aka opportunities for improvements, my PB session video is at: [skip to 13m:36s]

I watched a couple of laps including your PB. It's extremely hard to tell from 2D video and no g-forces hitting me to know for sure all the areas that you are leaving time, but I saw a couple of ones that you look like you are.

Don't be in such a hurry to get back to the left side of the road between 6 and 7. Take a gentler arc which will allow you to carry more speed/scrub off less speed there.

You're not the only one that does this, but if you don't feel like you're going to fall off the edge of the track between 9 and 10 you're not pushing hard enough there. I saw what looked to be a lot of room between your R side tires and the edge of the track there. I have to remind myself to hustle the car between 9 and 10 every lap.

GL next time you are out there!

[kyippee]

Originally Posted by admranger

I watched a couple of laps including your PB. It's extremely hard to tell from 2D video and no g-forces hitting me to know for sure all the areas that you are leaving time, but I saw a couple of ones that you look like you are.

Don't be in such a hurry to get back to the left side of the road between 6 and 7. Take a gentler arc which will allow you to carry more speed/scrub off less speed there.

You're not the only one that does this, but if you don't feel like you're going to fall off the edge of the track between 9 and 10 you're not pushing hard enough there. I saw what looked to be a lot of room between your R side tires and the edge of the track there. I have to remind myself to hustle the car between 9 and 10 every lap.

GL next time you are out there!

Thank you!! Yes a lot to reflect on for sure and the fun part will be improving next time. I also noticed vs. other people's videos that I'm leaving a lot of time on the table by not trail braking. Looks like I'll have some fun with that as well next time

The 6-to-7 is helpful - it scares me entering 6. With the 9-to-10 similarly I find myself taking a slower speed than necessary. Will continue working up getting comfortable with it. My friend's feedback as passenger last time was that I'm effectively cruising for a lot of the turns

[macdude357]

Originally Posted by kpewpew

Super happy that I set a new PB this weekend at Laguna Seca. Comparing to other E9x drivers' videos, it's clear I should incorporate more trail braking, continue to work on lines and fix my turn 11 approach.

Also ended the day with just 2-3mm of front pads left - time for new ones!

You should come out and run Bimmer Challenge. There are quite a few NorCal guys that come down to our events in SoCal and there are events at MRLS and Sonoma as well.

[kyippee]

Originally Posted by macdude357

You should come out and run Bimmer Challenge. There are quite a few NorCal guys that come down to our events in SoCal and there are events at MRLS and Sonoma as well.

Sounds like a lot of fun and also sounds like where some of the big boys run with their stripped out cars, crazy suspension and aero, and of course much more skill. Is that a fair guess?

Maybe roastbeef should go!

[roastbeef]

i do go, but i'm not competitive. i'm highest i've placed was 4th i think. lol my car is too heavy and the oem suspension just can't keep up, or maybe i'm just not fast enough (most likely the problem).

next track day is 03/09 at laguna seca with speed district.

[roastbeef]

Originally Posted by kpewpew

Super happy that I set a new PB this weekend at Laguna Seca. Comparing to other E9x drivers' videos, it's clear I should incorporate more trail braking, continue to work on lines and fix my turn 11 approach.

Also ended the day with just 2-3mm of front pads left - time for new ones!

If you want to see my mistakes aka opportunities for improvements, my PB session video is at: [skip to 13m:36s]

your 8-11 transitions are kinda lazy. seems like you're coasting some of the time... my zcp suspension seems to like for me to be on maintenance throttle before i'm going through the apex.

in that 1-2 seconds of coasting before turn 9, you could take the car more to the right of the track, keep on the throttle, hit the turn 9 apex slightly late, and have a cleaner, faster exit. right now it looks like you tend to early apex 9, and you're using about 3/4 of the width of the track. this is one of the faster parts of the track and you have a lot of potential to shed some time there.
i'm definitely not the fastest guy out there- just trying to share some thoughts. my pb at laguna is 1;43;025, but that is with nt01 tires. i still have a few things i'm working on there.

[///Mobbin]

I just signed up for the Chin COTA event in April, anyone else planning to be there?

[dj_dub]

Originally Posted by roastbeef

your 8-11 transitions are kinda lazy. seems like you're coasting some of the time... my zcp suspension seems to like for me to be on maintenance throttle before i'm going through the apex.

in that 1-2 seconds of coasting before turn 9, you could take the car more to the right of the track, keep on the throttle, hit the turn 9 apex slightly late, and have a cleaner, faster exit. right now it looks like you tend to early apex 9, and you're using about 3/4 of the width of the track. this is one of the faster parts of the track and you have a lot of potential to shed some time there.
i'm definitely not the fastest guy out there- just trying to share some thoughts. my pb at laguna is 1;43;025, but that is with nt01 tires. i still have a few things i'm working on there.

Spot on bro...my personal line is Turn 9 is definitely a late apex and definitely take your car more right before the approach, not all the way right though. I've noticed tons of grip accelerating through the apex at turn 9. Carry all that speed to turn 10 and don't brake so hard or you'll lose all that momentum.

His PB is very respectable, and yours is even better roastbeef! ...and like both of you, I have a lot to work on at Laguna as well.

[kyippee]

Just ordered two new sets of brake pads as my fronts are now worn down to ~2-3mm. I've been running the H2 pads which were like new, and they've been great but clearly get worn down quick. Did about 9,000 miles including 6 track days since installing the kit.

Given that, I decided to order both the H2 and H6, and decide next week which to install. Do you guys think the H6 will squeal like crazy in normal street driving? I don't feel like swapping pads at the track just yet.

PAD TYPE: H2
COMPOUND: CERAMIC
DRIVE TYPE: STREET/LIGHT TRACK
DISC TEMPERATURE RANGE: 0-500 C/0-932 F
AVERAGE COEFFICIENT OF FRICTION: .25-.5
H2 high-ceramic pad offers a solid brake fade resistance to increase driver’s controllability. Whether weekend light track, drifting, or daily driving, Rotora®’s ceramic formulated H2 pads accommodate all driving styles, track lengths and environmental conditions. The ideal pad for all-around performance, daily street, and light track ready.


PAD TYPE: H6
COMPOUND: HIGH-CERAMIC
DRIVE TYPE: TRACK/RACE
DISC TEMPERATURE RANGE: 200-660 C/392-1220 F
AVERAGE COEFFICIENT OF FRICTION: .44-.55
Containing a higher ceramic strengthened formulation, the H6 high-ceramic pad delivers excellent initial bite and braking force under high brake disc temperatures. Recommended for track use, H6 high-ceramic achieves consistent brake pedal feel while maintaining stable co-efficient of friction. The ideal pad for winding/track.


PAD TYPE: H8
COMPOUND: CERAMIC-METALLIC
DRIVE TYPE: RACE/ENDURANCE
DISC TEMPERATURE RANGE: 300-800 C/572-1472 F
AVERAGE COEFFICIENT OF FRICTION: .5-.62
Rotora®’s H8 ceramic-metallic, is a road race-spec upgrade offering tremendous fade resistance and thermal stability under high brake disc temperatures. Recommended for serious racing, H8 ceramic-metallic pads produce high coefficient of friction thereby providing ultimate stopping power and excellent pedal feel response from the very start. With strong initial bite and consistent Mu level, this is the ideal pad for road racing/endurance.


PAD TYPE: H9
COMPOUND: CARBON-METAL
DRIVE TYPE: ENDURANCE/SPRINT
DISC TEMPERATURE RANGE: 300-800 C/572-1472 F
AVERAGE COEFFICIENT OF FRICTION: .40-.55
The latest Rotora® pad compound formulation is H9. This abrasive resistance carbon-metal type racing pad is designed only for high performance circuit racing, not recommended for street use.

[roastbeef]

i'm not familiar with their brakes at all. some compounds that don't squeal in the front will squeal in the rear because of the normal operating temp differences... its hard to say. i think if you go with a pad with too much initial bite or torque, you might have a frustrating time with abs once the street tires get hot.