JhnRX7's Weekend Track Toy Build

[RENESISFD]

^ There is always Tracstiva .

[TitaniumTT]

Originally Posted by JhnRX7

Funny you mention that...

This is the fuel filter I am getting. I want a stainless element for E85, and dont want some BS 40 micron filter. This is one of the nicest filters (with the most filtration area) I can find with a 10 micron SS filter.

http://www.foreinnovations.com/product_p/16-900.htm

They give you the option to purchase mechanical pressure gauges for the inlet and outlet. I will be doing this. No need to use up inputs for something you can just check every once in a while (I'm aware there is the small possibility for it to clog quickly in rare instances, my fuel pressure protection will protect me from damage if this happens though).

Very cool... Seems like they realize it's a problem with the E85 breaking shit down and clogging shit up.

Originally Posted by JhnRX7

Does your ECU have the capability to set a warning for pressure drop across two pressure inputs? I could setup a math channel to monitor it and have it displayed on a race dash such as the AIM MXL (I really want the new MXL2 or color dash BTW Have you seen these?) But for now checking mechanical gauges will be sufficient. Once I see a pressure drop I can pull the filter element and clean it.

There are functions in there that I can setup to comp for fuel pressure and the like, but no direct channel.
I have not seen them! Why have you mentioned them! Now I'm going to have to go look at them... Damn it John!

Originally Posted by JhnRX7

I have a bunch of these AEM sensors.

http://www.aemelectronics.com/Images...%2030-2012.pdf

Interesting... I wonder if some of the newer MoTeC releases can accommodate those sensors... I'll have to look into it. I know the haltech can't. It doesn't have the resolution to properly mimic the curve of the output.

Originally Posted by JhnRX7

When I re-worked my harness for the new ECU I included wiring for Trans and Diff temps. I got all the sensors, however I was waiting until I needed to change fluids to install them... never got around to it. Will over the winter though.

I REALLY want to get a baseline for both because I plan on adding a cooler (or 2) but don't want to just add a cooler for the sake of adding a cooler. Need to get the data first to justify it. I suspect it will definitely be necessary for the trans though.

Yeah.... I hear ya... no sense in doing something if you don't need to.

Originally Posted by RENESISFD

I know my trans and diff temps :-).

Unfortunately no track data yet just street cruising.

Max trans temp was 175 degrees F on a 800 mile drive in 62 degree F ambient day.

Diff was about 180 degrees F on the sme day.


Those hardlines look sexy.

About what I thought they would be. On the track I suspect they'll get much higher, probably into the 250+ range. But at what temp does tranny and diff fluid start to break down?

Originally Posted by RENESISFD

^ Ninja edit above


:'( very funny John

I can see all edits.... that was rough... Tracvista surprised the hell out of me at Pocono though!

Originally Posted by JhnRX7

Just motivation to get you back on track with us

Although this year you may be back on track before me.

I think al you guys will be on the track before me... it's just a time thing. Are you guys thinking about Limerock this year? They should be releasing the dates pretty soon.

[JhnRX7]

I REALLY want to get on Lime Rock now... more so than ever.

I will do a post tonight explaining why, just need to take some pictures first

I think Ambrosio knows what I'm talking about.

[JhnRX7]

Originally Posted by TitaniumTT

I have not seen them! Why have you mentioned them! Now I'm going to have to go look at them... Damn it John!

SOOOOO Sexy!



I think I like the "Classic" look of the MXL2 better, but this would be pretty nice too. (also about $1000 more expensive )

Originally Posted by TitaniumTT

Interesting... I wonder if some of the newer MoTeC releases can accommodate those sensors... I'll have to look into it. I know the haltech can't. It doesn't have the resolution to properly mimic the curve of the output.

That sucks, I searched high and low for a 1/8th NPT sensor and the AEM was the only one I could find with published calibration data. Fortunately for me I have the AEM ECU which has the sensor preset in a setup wizard, however they do have high enough resolution to plot it out even if it did not have the sensor preset.

That little sensor is really expensive for what it is, I would have much rather used a GM temp sensor.

[TitaniumTT]

Originally Posted by JhnRX7

SOOOOO Sexy!



I think I like the "Classic" look of the MXL2 better, but this would be pretty nice too. (also about $1000 more expensive )

Ohhhh I like!

Originally Posted by JhnRX7

That sucks, I searched high and low for a 1/8th NPT sensor and the AEM was the only one I could find with published calibration data. Fortunately for me I have the AEM ECU which has the sensor preset in a setup wizard, however they do have high enough resolution to plot it out even if it did not have the sensor preset.

Yeah... that's the nice thing about using an AEM ECU with AEM sensors .... I don't think the MoTeC has the preset, but it has a ridiculous amount of plot points. Or... 1/4" bung as opposed to 1/8. Frankly, I prefer the 1/4" because the threads are more coarse.

Originally Posted by JhnRX7

That little sensor is really expensive for what it is, I would have much rather used a GM temp sensor.

Yeah... I may just end up doing that.

[JhnRX7]

Sooo I started playing a PC driving "simulator" called iRacing. I had heard about it before but never really thought it was anything other than Forza for PC. I was wrong.

First thing that drew me in was it had NJMP as an available track. I had heard that iRacing was supposed to be very realistic, but I had no idea how good it was. When I first started, I was driving like I would in Forza and I could not complete a lap without going 4 wheels off every lap. It took a long time to get it, but eventually I learned I had to treat it like a real car. Start slow and work your way faster and braking later, etc. The tracks are all laser scanned and they are really true to real life (at least NJMP and VIR).

I really think this will help me at least a little in my driving. I have learned a lot about how to steer the car with the throttle and brakes.

I am using a Thrustmaster T500RS steering wheel and pedals. I started out with the wheel clamped to a backwards step stool but that was not working so I welded up a "rig" out of scrap metal I had lying around and an old FD seat.







Using an old iPhone as a digital dash.




I started out driving the Spec Miata cup car and as a result I ended up driving Lime Rock a lot… I have learned to LOVE Lime Rock, such an awesome track! Reminds me a bit of NJMP Lightning, but so much better.

At the very least, this will be a great tool to use before going to a new track to get familiar with it before my first track day there.

[RXtacy]

^That's fucking awesome! Nice work man. Lime Rock is a lot of fun.

[TitaniumTT]

Holly Hell John, that is freaken AWESOME... I want it.... but I know exactly what it will mean for me... too ,uch playing and not enough working on the real car

Originally Posted by JhnRX7

I started out driving the Spec Miata cup car and as a result I ended up driving Lime Rock a lot… I have learned to LOVE Lime Rock, such an awesome track! Reminds me a bit of NJMP Lightning, but so much better.

I've said that EXACT same thing about LRP and Lightning... soooo what kind of times are you putting down?



No.... seriously

[JhnRX7]

Originally Posted by TitaniumTT

Holly Hell John, that is freaken AWESOME... I want it.... but I know exactly what it will mean for me... too ,uch playing and not enough working on the real car

You speak the truth... It took Ambrosio and I 3 days to complete the hard lines last weekend! Luckily for me, the game had just received an update and the servers were having problems. It would be down for maintenance every couple hours. If it was not for that we may never have finished

Originally Posted by TitaniumTT

I've said that EXACT same thing about LRP and Lightning... soooo what kind of times are you putting down?

Right now in the spec miata cup car my I'm doing consistent 1.01:XXX's with a fast lap of 1.01.285. My optimal is in the 1.00:6XX range. The fast guys are doing 0.59:XXX's.


Lime rock is so much fun in the miata, very much a momentum course. Turn 1 / Big Bend has really helped me figure out trail braking. Shaved a full second once I figured that out. The left hander into the esses is where I have the most consistency problems. The miata likes to rotate in the left hander when trying to hit the late apex and setup for the esses.

Is the uphill as sketchy in real life as I would expect it to be??

Turn 7 / the downhill is my favorite... come down the hill, set the wheel right about where the hill goes flat then full throttle through trying not to scrub any speed.

[RENESISFD]

^ I need to get a setup in my house for practice. That was too much fun.

[RENESISFD]

Originally Posted by TitaniumTT

About what I thought they would be. On the track I suspect they'll get much higher, probably into the 250+ range. But at what temp does tranny and diff fluid start to break down?



I can see all edits.... that was rough... Tracvista surprised the hell out of me at Pocono though!

I am definitely anxious to see what the temps are on track. I am not convinced a cooler or an extra capacity pan is necessary.


You just wait 'till Tracstiva has a turbo on it.

[RXtacy]

Originally Posted by JhnRX7

Is the uphill as sketchy in real life as I would expect it to be??

Turn 7 / the downhill is my favorite... come down the hill, set the wheel right about where the hill goes flat then full throttle through trying not to scrub any speed.

It can make you pucker for sure. Gotta be pointing straight when you crest

That turn takes some balls in real life also.

[TitaniumTT]

Originally Posted by JhnRX7

You speak the truth... It took Ambrosio and I 3 days to complete the hard lines last weekend! Luckily for me, the game had just received an update and the servers were having problems. It would be down for maintenance every couple hours. If it was not for that we may never have finished

Originally Posted by JhnRX7

Right now in the spec miata cup car my I'm doing consistent 1.01:XXX's with a fast lap of 1.01.285. My optimal is in the 1.00:6XX range. The fast guys are doing 0.59:XXX's.

Very nice times... For reference I pull about 63s in my FC and about 70-71 in the RX8. I'm convinced there's more in the 8 with tires, not 19" rims and manipulating the DSC. I have a set of stock RX8 rims that I may put some race rubber on .. ITS FC's are doing it in 59-60s.

Originally Posted by JhnRX7

Lime rock is so much fun in the miata, very much a momentum course.

It really is. THe Miata guys and the ITS guys only lift or brake once and that is for Big Bend.

Originally Posted by JhnRX7

Turn 1 / Big Bend has really helped me figure out trail braking. Shaved a full second once I figured that out.

Yeah.... Are you treating it as a double Apex or as a late Apex one turn?

Originally Posted by JhnRX7

The left hander into the esses is where I have the most consistency problems. The miata likes to rotate in the left hander when trying to hit the late apex and setup for the esses.

Hmmmmm... The way I generally take that turn is late braking and FAR FAR FAR right. Let the car settle and turn in. Once the nose is pointing halfway into the Apex stand on the gas and go. The FC will rotate itself, hit the apex and I can put all the power to the ground through the esses and down no-name straight. It scared the ever living shit our of me last year when I had the LRP pipe on, she boost crept to about 17psi and probably about 450rwhp. Scared the shit out of me!

Originally Posted by JhnRX7

Is the uphill as sketchy in real life as I would expect it to be??

Yes... make sure the car is settled and pointing straight

Originally Posted by JhnRX7

Turn 7 / the downhill is my favorite... come down the hill, set the wheel right about where the hill goes flat then full throttle through trying not to scrub any speed.

Fuck that turn! But that's probably because I've been off track there once in a pro Boxster S with a pro driver and I've seen a few people get really loose there. I pucker ALOT but still manage about 150mph before the braking zone

Originally Posted by RXtacy

It can make you pucker for sure. Gotta be pointing straight when you crest

That turn takes some balls in real life also.

Yes it does!

[TitaniumTT]

Originally Posted by RENESISFD

^ I need to get a setup in my house for practice. That was too much fun.

Originally Posted by RENESISFD

I am definitely anxious to see what the temps are on track. I am not convinced a cooler or an extra capacity pan is necessary.

Yeah... I wonder if the track is what did the 6spd in. I puked all it's fluid right before the braking zone 2 years ago..... I don't think temps were the problem... but it was also like 104* that day... literally.

Originally Posted by RENESISFD

You just wait 'till Tracstiva has a turbo on it.

The fuck? Ruh Roh.....

[Dannobre]

You would likely be surprised at the Transmission and Diff temps ...

I have a tranny and diff cooler in my RX-8 track car....tranny temps will easily hit 250+ after about 15 minutes at 90 deg track temps. Diff with a Kazz clutch LSD have been over 300 without the cooler ( way over actually )

With the coolers installed they sit below 225 at all times.

I forgot to turn the pumps on and got the oil too hot.......turned on the pumps...and proceeded to melt the pump housing on the diff pump. Learned the hard way to turn everything on before GO