[DaFish]

Originally Posted by shiv@vishnu

So far, we did 3.5 20 min sessions and the tank never ran dry. The car is running in two run groups So that is pretty good. Aggression level has stayed at ZERO. But that's only low boost testing (11-12psi). Afternoon sessions will run more boost. So far, things are looking really nice.

This is with TWO 1.0mm nozzles. Roughly equivalent to running dual M7s in a conventional PPS meth system.

Shiv, he is using the washer tank right?

Can you give me some indication of what your old meth system would have used for consumption comparison?

How is the power with the new kit?

What are the general observations.. perhaps you can have the owner chime in on how the meth kit is.

Great news. Is this the final testing?

[Syndicategt]

Shiv,

When I was at full boost, and only with one 1.0mm nozzel, I was going near dry at 25 min mark. My washer tank sensor will go off slightly before the tap into the tank. Might have to set the tolerances to not spray as aggressivly, mine goes off pretty quickly. Most people don't run longer than 30 min though so the tank "should" be enough, but it's close. Is there a way to add an additional tank for those meth addicts who are running hard on the track ?

[OpenFlash]

Originally Posted by Syndicategt

Shiv,

When I was at full boost, and only with one 1.0mm nozzel, I was going near dry at 25 min mark. My washer tank sensor will go off slightly before the tap into the tank. Might have to set the tolerances to not spray as aggressivly, mine goes off pretty quickly. Most people don't run longer than 30 min though so the tank "should" be enough, but it's close. Is there a way to add an additional tank for those meth addicts who are running hard on the track ?

With the right injection mapping, you will get 50-60 minutes per tank. If you are going through a tank per 25 min session you are over-injecting. Or running a PPS meth system

I'm VERY happy with today's testing results. I'll post them later this weekend.

[Skydive]

Originally Posted by dzenno

That's the stoptech kit I ordered, silver as well, looks really nice...Stoptech didn't go to shit lol I've seen cracked brembo rotors and bridges too shit happens sometimes

Aftermarket Brembo kits are generally crap too, unless you spend the scratch for the higher end components.

To each his own, but Stoptech's quality control hit the floor shortly after it's founder (Bob Lee) sold the company to PPG Centric, (maker of Powerslot rotors), several years ago. I managed the aftermarket performance arm of a reasonably successful Audi/Porsche performance facility for some time. During that time, I installed hundreds of ST big brake kits, and removed perhaps 30% of those after Centric came in, and Bob left. In my experience, the consumer kits are fine for street use, and the occasional track day, perhaps, but when the non-friction components start failing, it's time to look elsewhere for a dependable, race-ready solution.

I had great luck with Alcon stuff, though there were some rotor failures there too.

It is possible that Stoptech have again improved, and I have been away from the business for a couple of years, but I would be wary... and I personally would avoid using Stoptech components on a track car.

Then again, I wouldn't buy an inexpensive parachute system either. Many people do, and most of them survive thousands of jumps.

-Michael

[zsapphire7]

Finally... im back from a wonderful trackday! I think I ran about 9 sessions and would have run more but I was too tired at the end. Im running ER's dual oil coolers and the new meth kit . oil temps never reached more than 270F and more often than not sat at 260F for most the day. I've gotten used to running without meth and near stock levels of boost simply because of heating issues and high IATs. Today Was the first day I was able to drive this car with stable/cool/safe/consistant/reliable power on track all day! I dont wanna spoil anything so I think I will wait for shiv to post more details later on the datalogs I was able to take in the afternoon sessions.

For those curious about my suspension mods, im running a 18x9" square setup with 265/35 star specs. AST 5100s w/vorslag camber plates, pretty much all m3 suspension links, strut tower brace, wishbones, guiderods + front and rear swaybars, subframe bushings, quaife lsd (3.46), velocity motorworks toe links. Spring rates are a bit stiff 450F and 850R but I love the balance and feel on the track. FYI i do daily this car and its fine on the road. I dont think its crazy or kidney jarring at all. Of course that depends on personal tolerance and preference.

[sappersix]

Sounds great! 9 sessions. That's amazing.

[Aridk]

Shiv
The use of meth before was only used on high boost aplications, but now you are using it on 11-12 psi is that only to aid cooling or wil it also give some additional horsepower at low boost settings?

[Skydive]

Originally Posted by zsapphire7

Finally... im back from a wonderful trackday! I think I ran about 9 sessions and would have run more but I was too tired at the end.

It all sounds like a blast. Are you at Buttonwillow frequently? I'd love to check out your setup. Thanks for sharing.

[C4sF80M3]

I personally believe that most aftermarket brake kits are overkill for the occasional HPDE racers. The stock rotors paired with a proper track pad are more than adequate to get the job done. I ran HAWK HP+ my last event and never exceeded the torque and heat range pads, although the tires I was running were well beyond their braking limits. If I was increasing breaking capability I would focus more on the pad and tire combination.

My e36 M3 was the same story. I ran HAWK blues with stock rotors and that car had amazing braking capabilities, especially with a good set of stickies.

Originally Posted by Skydive

Aftermarket Brembo kits are generally crap too, unless you spend the scratch for the higher end components.

To each his own, but Stoptech's quality control hit the floor shortly after it's founder (Bob Lee) sold the company to PPG Centric, (maker of Powerslot rotors), several years ago. I managed the aftermarket performance arm of a reasonably successful Audi/Porsche performance facility for some time. During that time, I installed hundreds of ST big brake kits, and removed perhaps 30% of those after Centric came in, and Bob left. In my experience, the consumer kits are fine for street use, and the occasional track day, perhaps, but when the non-friction components start failing, it's time to look elsewhere for a dependable, race-ready solution.

I had great luck with Alcon stuff, though there were some rotor failures there too.

It is possible that Stoptech have again improved, and I have been away from the business for a couple of years, but I would be wary... and I personally would avoid using Stoptech components on a track car.

Then again, I wouldn't buy an inexpensive parachute system either. Many people do, and most of them survive thousands of jumps.

-Michael

[DaFish]

Originally Posted by zsapphire7

Finally... im back from a wonderful trackday! I think I ran about 9 sessions and would have run more but I was too tired at the end. Im running ER's dual oil coolers and the new meth kit . oil temps never reached more than 270F and more often than not sat at 260F for most the day. I've gotten used to running without meth and near stock levels of boost simply because of heating issues and high IATs. Today Was the first day I was able to drive this car with stable/cool/safe/consistant/reliable power on track all day! I dont wanna spoil anything so I think I will wait for shiv to post more details later on the datalogs I was able to take in the afternoon sessions.

For those curious about my suspension mods, im running a 18x9" square setup with 265/35 star specs. AST 5100s w/vorslag camber plates, pretty much all m3 suspension links, strut tower brace, wishbones, guiderods + front and rear swaybars, subframe bushings, quaife lsd (3.46), velocity motorworks toe links. Spring rates are a bit stiff 450F and 850R but I love the balance and feel on the track. FYI i do daily this car and its fine on the road. I dont think its crazy or kidney jarring at all. Of course that depends on personal tolerance and preference.

Man that sounds like fun.....

How many times did you fill the washer tank?

How was the application of meth? Have you run conventional meth kits before? Was driving the car similar to "standard" turbo car feel - except with more power ? How did the power feel when it came on?

Could you control the power progressively as you needed on corner exit with throttle ? or did you get a big boost when it all kicked in? I would imagine this would be the big benefit of the PWM kit. Care to comment?

Man I wish I was there. I would imagine your car crushes an M3 now....

[Irishace]

Looking forward to seeing the results. Sounds like a great time!

My 135 can't handle worth a crap, she is a straight line princess.

[jbass524]

OK Zsapphire7, I see sub 1:50s at Laguna in your future.

[Skydive]

I agree entirely. Most big brake kits are ego mods, for most people on the platform. Audis, on the other hand, were under braked in many instances, while the 911s were amazing out of the box.

Tires, pads, and suspension is plenty for the odd HPDE outing.

Originally Posted by c4s335i

I personally believe that most aftermarket brake kits are overkill for the occasional HPDE racers. The stock rotors paired with a proper track pad are more than adequate to get the job done. I ran HAWK HP+ my last event and never exceeded the torque and heat range pads, although the tires I was running were well beyond their braking limits. If I was increasing breaking capability I would focus more on the pad and tire combination.

My e36 M3 was the same story. I ran HAWK blues with stock rotors and that car had amazing braking capabilities, especially with a good set of stickies.

[zsapphire7]

Originally Posted by jbass524

OK Zsapphire7, I see sub 1:50s at Laguna in your future.

Haha, I dont think I need meth to brake 1:50s at laguna. I think i was doing 1:52 last time and it was my first time for laguna so I wasnt pushing it. I noticed tho, that I was dead even at 14.5 psi with an e90 m3 on the straights there.

Originally Posted by Skydive

It all sounds like a blast. Are you at Buttonwillow frequently? I'd love to check out your setup. Thanks for sharing.

Yes, I go there the most. Yesterday I focused a lot on some new lines and was able to improve my times by 3-4 seconds. Finally sub 2:10

Originally Posted by DaFish

Man that sounds like fun.....

How many times did you fill the washer tank?

How was the application of meth? Have you run conventional meth kits before? Was driving the car similar to "standard" turbo car feel - except with more power ? How did the power feel when it came on?

Could you control the power progressively as you needed on corner exit with throttle ? or did you get a big boost when it all kicked in? I would imagine this would be the big benefit of the PWM kit. Care to comment?

Man I wish I was there. I would imagine your car crushes an M3 now....

I filled 2 times, and still have enough for one or two more sessions.

The application is awsome. Honestly I can partial throttle and I cant tell the transion when it turns on at 6psi. If i didnt have the meth indicator lights flashing I wouldnt know the car was running meth. there is 0 kick. ABSOLUTLY NONE.

At 11psi and meth, the car pulls exactly the same as an e46 m3 . At buttonwillow it doenst really matter how much power you add since its really hard to put down. Most the time I cant be WOT. Im sure shiv will post some datalogs so you can see transitions and mid throttle applications.

Originally Posted by Skydive

I agree entirely. Most big brake kits are ego mods, for most people on the platform. Audis, on the other hand, were under braked in many instances, while the 911s were amazing out of the box.

Tires, pads, and suspension is plenty for the odd HPDE outing.

Actually, I think another reason for BBKs is maintenece cost. If you track alot youll be going through stock rotors and other pads quickly especially if they overheat. Since BBKs can shed heat faster and parts are more robust, the rotors and pads may last longer and overall end up costing the same as running oem stuff when used in heavy track duty situations. Youll just change them out less frequently. In the end, this only holds true if you track alot, or brake like an idiot on the street . Also theres huge benefit if you run rcomps.

[boostd92]

Plus fixed caliper pads are WAAY easier to change at least they are on my RX7. I pull one pin and use some pliers to yank the pads out, drop the new pads in and go.

[jbass524]

Probably not required then.

How about a sub 1:50 with stock power. I only say that cause I never went for the tune and I don't really have anything to compare my times to since anyone near me has a tune.

Sorry for the off topic.