Junk nittos, from dig
08-23-2017, 03:26 PM
#42
I know what you're saying about the Mickey Thompsons tearing up really bad. Unbelievable how fast they wore out! Because of reading your posts over the years, I've switched to the Nitto for the street and they last a lot longer.
So not even a small burnout at the track to clean the tires off? I've been a 1.5 on a NT05R 315/35/17 and have a race this weekend where I'll be running the 315's.
So not even a small burnout at the track to clean the tires off? I've been a 1.5 on a NT05R 315/35/17 and have a race this weekend where I'll be running the 315's.
The nittos do not want to be shocked, I don't care if it's on the launch or the shift
On the street I am footbraking and keeping the suspension preloaded and then leaving
That is as much as I can hold it before i can't hold the rear axle with the service brakes
I feel it would hold alot more on the leave if I could clamp more
I will be testing with the transbrake and 2step here shortly and will know more. But I don't think they will like the jolt and shock of the suspension with the transbrake
08-23-2017, 11:24 PM
#44
The 555rs are not a bad street tire if they're coupled with the appropriate suspension. Im using my 275/40/17s with a mosier 8.8 eaton trutrac and 3.42 gears with over 600rwhp on my Ws6. Although i get some spin at the top of first, it dead hooks in 2nd.
08-24-2017, 08:54 AM
#47
They banned you for you showing everyone that a certain tire works for your setup??? Or was it for filming yourself breaking the law? And to be clear, I'm by NO means judging. I think we've all been triple digits at various times on the street.
08-24-2017, 10:35 AM
#49
I'm ~900whp c6 vette with 6 speed so different setup, but I always just assumed I'd need a 4wd car to hit <4s on the street 60-130. 3.1 seconds 100-150mph is just insane. really impressive stuff man. clearly took a lot of thought and work to get to that level.
Last edited by neverstop; 08-24-2017 at 10:50 AM.
08-24-2017, 11:24 AM
#50
awesome. will be really cool to hear more details on the setup and how it all works together. holding ~1G of acceleration from 0-100mph on the street is phokin crazy
I'm ~900whp c6 vette with 6 speed so different setup, but I always just assumed I'd need a 4wd car to hit <4s on the street 60-130. 3.1 seconds 100-150mph is just insane. really impressive stuff man. clearly took a lot of thought and work to get to that level.
I'm ~900whp c6 vette with 6 speed so different setup, but I always just assumed I'd need a 4wd car to hit <4s on the street 60-130. 3.1 seconds 100-150mph is just insane. really impressive stuff man. clearly took a lot of thought and work to get to that level.
It's definitely why I know the gtr and ttg stuff is absolutely insane what they can do. Like crushing lol
08-24-2017, 12:19 PM
#51
Alright may ramble a but will get it across
I'm kinda on a top fuel approach,
I know that these tires can hold around .9g of acceleration on the asphalt and not get into trouble
Get above that and poof... Stay below.... No problems
So the goal is to hold that target .9g as stable and as far as I can until I don't have enough power to deliver .9g as speed increases
So I am limiting power up to around 110 and then power limited after that.
So here we have an 8.40 pass track from Josh (ero)
Take note of the G curve when we have unlimited traction and full power in right off the launch
Now here is my street pass.... Remember what I said about trying to hold .9g. this is very similar acceleration out the back as joshes pass above
Now look at that g curve.... And here is the data log from that hit...
You would never think that boost delivery would deliver that G curve.....
The shift is the trickiest part by far.... To not shock the tire but not get a lul in acceleration aswell
This is what I fought with the ams1000 and why boost vs speed and boost vs time won't work.
That delivery of boost on the shift has to be at the exact right time and very precise
This is why the holley finally let me do what I need
I use boost per RPM and each gear has its own table
.
.
.
What I am really doing is controlling how I get on the converter
My settings don't change if I go from a dig or if I go from a 50mph roll.... And the car will run almost identical 60-130s either way
I don't have a wheel speed nor DS speed on the car period right now
With the boost delivery sorted this well by adding TC which I am in the process of it should be almost stupid consistent
I'm kinda on a top fuel approach,
I know that these tires can hold around .9g of acceleration on the asphalt and not get into trouble
Get above that and poof... Stay below.... No problems
So the goal is to hold that target .9g as stable and as far as I can until I don't have enough power to deliver .9g as speed increases
So I am limiting power up to around 110 and then power limited after that.
So here we have an 8.40 pass track from Josh (ero)
Take note of the G curve when we have unlimited traction and full power in right off the launch
Now here is my street pass.... Remember what I said about trying to hold .9g. this is very similar acceleration out the back as joshes pass above
Now look at that g curve.... And here is the data log from that hit...
You would never think that boost delivery would deliver that G curve.....
The shift is the trickiest part by far.... To not shock the tire but not get a lul in acceleration aswell
This is what I fought with the ams1000 and why boost vs speed and boost vs time won't work.
That delivery of boost on the shift has to be at the exact right time and very precise
This is why the holley finally let me do what I need
I use boost per RPM and each gear has its own table
.
.
.
What I am really doing is controlling how I get on the converter
My settings don't change if I go from a dig or if I go from a 50mph roll.... And the car will run almost identical 60-130s either way
I don't have a wheel speed nor DS speed on the car period right now
With the boost delivery sorted this well by adding TC which I am in the process of it should be almost stupid consistent
08-24-2017, 01:14 PM
#53
Here is good clear snap shot. You can see my target boost which is coming from the tables... And the actual boost. And dome pressure is up there
This is actually the 9.54 hit, 25psi in high. I did have to blip that one right after the leave once
08-24-2017, 01:51 PM
#54
Yes you are correct. No input is needed. I am doing this all on a holley HP
Here is good clear snap shot. You can see my target boost which is coming from the tables... And the actual boost. And dome pressure is up there
This is actually the 9.54 hit, 25psi in high. I did have to blip that one right after the leave once
Here is good clear snap shot. You can see my target boost which is coming from the tables... And the actual boost. And dome pressure is up there
This is actually the 9.54 hit, 25psi in high. I did have to blip that one right after the leave once
08-24-2017, 06:51 PM
#57
thanks for posting. that's really wild. I did not realize Holley had that functionality like that on a per gear basis. also did not realize that an 8 second run at the track meant almost 2g at launch. really cool stuff, I'm sure that took ages to get so perfectly dialed in like that.
do you have a build thread anywhere with more details on the car? (weight, whp, fuel, motor setup, etc)
would be interesting to see the difference of these numbers on the street vs. at the track too with more grip
do you have a build thread anywhere with more details on the car? (weight, whp, fuel, motor setup, etc)
would be interesting to see the difference of these numbers on the street vs. at the track too with more grip
08-24-2017, 09:15 PM
#60
thanks for posting. that's really wild. I did not realize Holley had that functionality like that on a per gear basis. also did not realize that an 8 second run at the track meant almost 2g at launch. really cool stuff, I'm sure that took ages to get so perfectly dialed in like that.
I believe this was my timeslip from that V-box data.