Basic but mandatory track mods help needed.

jmg944t · 01-06-2012, 08:09 AM

Mike, cooler brakes last alot longer. I only mention it because pads are expensive when they only last a couple of days!

ChrisSlicks · 01-06-2012, 09:12 AM

The brakes on the Z can get really hot towards the end of a session, if you want your pads to last I would suggest using some form of brake ducting. I ran sintered pads to deal with the heat, nothing else could take it without either fading or wearing quickly. The sintered pads are more expensive but I got 5 weekends (11 days) out of a set before they were 2/3rds warn and relegated to the spares bin.

Don't know of a bolt in harness bar, doesn't seem to be many of us tracking the Z so not a high demand I guess. A custom harness bar might be the way to go in your case.

Oil cooler, go with the Z1 34 row Setrab setup. My setup blocks too much air to the radiator and is not ideal.

Fuel starvation will be an issue. You can go 1, maybe 1.5 20 minute sessions before having problems. At NHMS you'll get it at T4 going up the hill. A novice isn't going to encounter it as quickly as they are pulling less lateral G and not as heavy on the throttle mid corner.

What compound are you going to run on the stock wheels? You can fit up to a 275 front, 305 rear ideally.

jmg944t · 01-06-2012, 10:39 AM

Chris,
I plan on cooling the brakes and running sintered pads. I used to run Pagid Black and Hawk blues which are both very agressive. I was going to ask about the uphill at NHMS as it is the perfect storm for starvation coupled with a bad place to have the motor cut out. I have seen some bad spins there. I don't think the first set of tires will be Hoosiers as they are not a good choice for the novice wife. What do you recommend for a tire that is grippy when cool and has forgiving characteristic at low slip angles? I still have yet to really look at the car for a custom Harness guide bar. Holidays and all. Chances are I'll just make one as I am not in a hurry to put in a cage. This season I plan on SSGT with COMSCC and ST1 next year. After that The wife can stick in ST1 forever and I'll be in PA with the completed project car.

ChrisSlicks · 01-06-2012, 11:26 AM

James, the fuel cut at the uphill in NH usually happens after you've straightened out, so no risk of spin. Very annoying though.

I tried the Hawk DTC-70 for WGI when I couldn't get hold of a set of sintered pads in time. The feel was good but they did overheat a bit towards the end, without ducting anyway. That will be one of my projects this winter. I would recommend that you try the CL Brakes RC6 compound front, RC5+ rear. Essex Racing carries them.

Are you looking for a tire that is going to make a bit of noise, i.e. a sticky street tire? I would probably recommend the RE-11's or Yoko AD08. The NT01 is a good intermediate tire but Hoosiers there isn't any grip for the first lap until things get warmed up a little - not available in 19" sizes anyway.

What is the project car? Sounds like a bit of a track monster if it is going to run in PA!

jmg944t · 01-06-2012, 11:35 AM

I'm used to Hoosiers but they would be a poor choice for the wife. I want a tire that isn't an on/off switch at the limits and isn't skating all over the place cold. I am willing to give up some all out speed so long as it is more predictable for the wife. I just don't see myself having much fun on street tires so they have to be R compound.

The track car is a 944 Turbo that is gutted and caged through the firewall to the suspension. I have the widebody fit for it, the whole car (basically)will be fiberglass. 11" front wheels and 13" rears, it should weigh about 2400#'s. I had planned on a hot 3L 968 Turbo motor but after blowing up a few porsche turbo motors I think this car is getting a Z06 motor. That outta get a few peoples attention. In COM the only place it will fit is PA which is fine because there are a few other cars there anyway.

Mike · 01-06-2012, 12:24 PM

Quote:

Originally Posted by jmg944t

Mike, cooler brakes last alot longer. I only mention it because pads are expensive when they only last a couple of days!

Yeah, I know. I have been foolishly awaiting stillen's brake cooling kit for their bumper that I have. Now I have been thinking of some type of duct coming through the lower corners of the hood and down into the wheel well. My bumper design doesn't leave a lot of room to work with. FWIW, I run stoptech trophy brake system, and since the upgrade the only downside is the rapid pad wear in front.

Also, unlike most cars, when the stockers start to fade, you. Have very little warning, it's almost instantaneous. When I first got the car, I was on a 1.4 mile course and got a tiny hint of fade halfway around the track and immediately backed off and cooled down, barely touching the brakes til I entered the pits. Took about 30 yards to stop from 15mph, very scary.

jmg944t · 01-06-2012, 12:38 PM

Quote:

Originally Posted by Mike

Yeah, I know. I have been foolishly awaiting stillen's brake cooling kit for their bumper that I have. Now I have been thinking of some type of duct coming through the lower corners of the hood and down into the wheel well. My bumper design doesn't leave a lot of room to work with. FWIW, I run stoptech trophy brake system, and since the upgrade the only downside is the rapid pad wear in front.

Also, unlike most cars, when the stockers start to fade, you. Have very little warning, it's almost instantaneous. When I first got the car, I was on a 1.4 mile course and got a tiny hint of fade halfway around the track and immediately backed off and cooled down, barely touching the brakes til I entered the pits. Took about 30 yards to stop from 15mph, very scary.

Is that the "ice mode" I hear about? I can't really believe the car got out of the factory like that. Was that on stock pads?

jmg944t · 01-06-2012, 12:40 PM

Mike,
What did you do about harness'? Chris you have a cage correct?

01-06-2012, 09:12 AM	#2 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 654	The brakes on the Z can get really hot towards the end of a session, if you want your pads to last I would suggest using some form of brake ducting. I ran sintered pads to deal with the heat, nothing else could take it without either fading or wearing quickly. The sintered pads are more expensive but I got 5 weekends (11 days) out of a set before they were 2/3rds warn and relegated to the spares bin. Don't know of a bolt in harness bar, doesn't seem to be many of us tracking the Z so not a high demand I guess. A custom harness bar might be the way to go in your case. Oil cooler, go with the Z1 34 row Setrab setup. My setup blocks too much air to the radiator and is not ideal. Fuel starvation will be an issue. You can go 1, maybe 1.5 20 minute sessions before having problems. At NHMS you'll get it at T4 going up the hill. A novice isn't going to encounter it as quickly as they are pulling less lateral G and not as heavy on the throttle mid corner. What compound are you going to run on the stock wheels? You can fit up to a 275 front, 305 rear ideally. __________________ Hotchkis ARB \| Stillen CAI \| Art Pipes \| Berk CBE \| Stillen AP Racing Brakes \| AE Performance Oil Cooler \| BC Racing ER Coilovers \| Doran Control Arms

01-06-2012, 11:26 AM	#4 (permalink)
ChrisSlicks A True Z Fanatic Join Date: Mar 2009 Location: North East Posts: 6,203 Drives: 09 370Z Sport M6 Rep Power: 654	James, the fuel cut at the uphill in NH usually happens after you've straightened out, so no risk of spin. Very annoying though. I tried the Hawk DTC-70 for WGI when I couldn't get hold of a set of sintered pads in time. The feel was good but they did overheat a bit towards the end, without ducting anyway. That will be one of my projects this winter. I would recommend that you try the CL Brakes RC6 compound front, RC5+ rear. Essex Racing carries them. Are you looking for a tire that is going to make a bit of noise, i.e. a sticky street tire? I would probably recommend the RE-11's or Yoko AD08. The NT01 is a good intermediate tire but Hoosiers there isn't any grip for the first lap until things get warmed up a little - not available in 19" sizes anyway. What is the project car? Sounds like a bit of a track monster if it is going to run in PA! __________________ Hotchkis ARB \| Stillen CAI \| Art Pipes \| Berk CBE \| Stillen AP Racing Brakes \| AE Performance Oil Cooler \| BC Racing ER Coilovers \| Doran Control Arms

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01-06-2012, 08:09 AM	#1 (permalink)
jmg944t Base Member Join Date: Dec 2011 Location: S. NH Posts: 14 Drives: 09 370Z SP/MT Yellow Rep Power: 14	Mike, cooler brakes last alot longer. I only mention it because pads are expensive when they only last a couple of days!

01-06-2012, 10:39 AM	#3 (permalink)
jmg944t Base Member Join Date: Dec 2011 Location: S. NH Posts: 14 Drives: 09 370Z SP/MT Yellow Rep Power: 14	Chris, I plan on cooling the brakes and running sintered pads. I used to run Pagid Black and Hawk blues which are both very agressive. I was going to ask about the uphill at NHMS as it is the perfect storm for starvation coupled with a bad place to have the motor cut out. I have seen some bad spins there. I don't think the first set of tires will be Hoosiers as they are not a good choice for the novice wife. What do you recommend for a tire that is grippy when cool and has forgiving characteristic at low slip angles? I still have yet to really look at the car for a custom Harness guide bar. Holidays and all. Chances are I'll just make one as I am not in a hurry to put in a cage. This season I plan on SSGT with COMSCC and ST1 next year. After that The wife can stick in ST1 forever and I'll be in PA with the completed project car.

01-06-2012, 11:35 AM	#5 (permalink)
jmg944t Base Member Join Date: Dec 2011 Location: S. NH Posts: 14 Drives: 09 370Z SP/MT Yellow Rep Power: 14	I'm used to Hoosiers but they would be a poor choice for the wife. I want a tire that isn't an on/off switch at the limits and isn't skating all over the place cold. I am willing to give up some all out speed so long as it is more predictable for the wife. I just don't see myself having much fun on street tires so they have to be R compound. The track car is a 944 Turbo that is gutted and caged through the firewall to the suspension. I have the widebody fit for it, the whole car (basically)will be fiberglass. 11" front wheels and 13" rears, it should weigh about 2400#'s. I had planned on a hot 3L 968 Turbo motor but after blowing up a few porsche turbo motors I think this car is getting a Z06 motor. That outta get a few peoples attention. In COM the only place it will fit is PA which is fine because there are a few other cars there anyway.

01-06-2012, 12:40 PM	#8 (permalink)
jmg944t Base Member Join Date: Dec 2011 Location: S. NH Posts: 14 Drives: 09 370Z SP/MT Yellow Rep Power: 14	Mike, What did you do about harness'? Chris you have a cage correct?