Got a track related question? I'll try to answer.

[CSG Mike]

Originally Posted by nova.86

Should I get a lightweight underdrive pulley kit if I'm planning to get a turbo kit in the future? More precisely the works stage 2 turbo kit. Pros & cons of pulley w/ kit and without? Are there any issues with a pulley kit and boosted engine?

Negative; use your stock pulleys, or a fluidampr.

[peaches]

Spent the weekend at NCM, first time on that track. Fun course after you get to know it, ran brand new Kumho V720, lots of grip.

Day 1 was cold but dry, 45 all day. Started with a 3:28.595 and ended up with a 2:47.646. Could have dropped more if the session hadn't been cut short. Video for the fast lap was corrupted, so this is for the previous fast lap 2:49.561. I know I can brake later in some areas, less in others and use more of the track.

[ame="https://www.youtube.com/watch?v=0hQUsbHRQVg"]NCM - BRZ HDPE3 NASA Great Lakes YouTube[/ame]

Day 2 was a wet track, 39 and windy. Started with a 4:32.266, ended up with a 3:17.952, switched to Continental DWS. I was told there is no good wet line, so I had to figure it out on my own.

[ame="https://www.youtube.com/watch?v=Hk9mwQPWD6E"]NCM wet track - BRZ HDPE3 NASA Great Lakes YouTube[/ame]

[Northwest86]

Originally Posted by Pat

Is the Works turbo kit decent on track? I may be behind the times, but I thought anyone with a turbo able to drive their car at the limit would have overheating issues on track without insane mods

Here in Aus the Sprintex has the majority of the supercharger market (being more local) The JRSC is almost nonexistent since no-one locally sells it. All of our fast FI guys are Turbocharged and with our setup, Overheating with a oil cooler alone has proven to not be a problem with sessions up to 30 minutes. But the kit we run is a much better kit than the others we've seen for both efficiency and heat.

Note some of us run well over 200kw at the wheels (230kw on most other dynos) but use EBC's to turn the turbos down somewhat simply to help with traction and to better suit our local tracks. Mind you we don't run Aero or big track builds so we are limited on grip. Good Suspension and R-spec Semis are what most of us run.

[CB762]

I'm asking for an opinion on motor oil: are there any benefits of using 5W-20 or even 10W-30 on hot track days (80F .. 90F)? I was using Amsoil for years on other car and they offer only 5W-20 or 10W-30 racing oil.

(Car never goes out when temp < 50F).

TIA!

[go_a_way1]

Originally Posted by CB762

I'm asking for an opinion on motor oil: are there any benefits of using 5W-20 or even 10W-30 on hot track days (80F .. 90F)? I was using Amsoil for years on other car and they offer only 5W-20 or 10W-30 racing oil.

(Car never goes out when temp < 50F).

TIA!

The "W" stands for winter and is the cold start (car sit over night = cold start) viscosity so for this case you can ignore that number. Ideally you want it as low as possable so the oil flows better on start up. 90% of engine ware come from those cold starts. The second number is the viscosity rating at 212F (If I remember right) so this one is more important in this case.


You will maintain better oil pressure at higher temps with a thicker oil. Persnally I will never put anything but 0W-20 in my car. That being said I have an oil cooler so no need for me to go with a thicker oil. A 0W-20 will also get a slight (very very slight at track temps) increase in HP over a 5W-30. A 0W-20 will also get slightly better fuel economy but who cares about that on the track


TL;DR Use a 5W-30 on the track if you do not have an oil cooler

[ScionOfHorus]

I use 5W-30 on track with an oil cooler. I'm also supercharged.

Sent from my MotoE2(4G-LTE) using Tapatalk

[GSpeed]

Here's our test results of running 0W-20, 5W-30, and 5W-30 w/ oil cooler on track.

http://www.ft86club.com/forums/showthread.php?t=91820

Basically, 5W-30 is "mandatory" and an oil cooler is "a really good idea."

[ka-t_240]

What oil cooler should I run, or should I make my own?

[ZionsWrath]

I run 5w30 with an oil cooler. But I got no data, just basing my decisions of the experienced guys on this forum and thread. I'm relatively new to track but I hope to get some more experience and data logging equipment in the near future.

[Uplink]

Originally Posted by ZionsWrath

I run 5w30 with an oil cooler. But I got no data, just basing my decisions of the experienced guys on this forum and thread. I'm relatively new to track but I hope to get some more experience and data logging equipment in the near future.

There's a track day at NJMP on Sunday the 10th if you want to do some research. Just sayin'.

[go_a_way1]

Originally Posted by ka-t_240

What oil cooler should I run, or should I make my own?

Anything that wont leak is a good start lol! I run mishimoto and it does the job, nothing fancy.

[Uplink]

Originally Posted by ka-t_240

What oil cooler should I run, or should I make my own?

Honestly, unless you're REALLY frugal... buy a kit. I was able to source the stuff to build a 'Perrin-ish' setup with everything they use except the hoses for about $150 less than buying the kit. But I still would have had to make the hose ends and they were braided steel instead of the nice coated ones and didn't have nice crimped ends and the parts didn't have the lifetime warranty... So I bought the Perrin kit.

Mishi is even less expensive so you'd wind up saving even less money trying to build it.

Basically, unless you really like to fabricate your own stuff, want to save every last dime possible, or need some custom application (like mounting behind a fog light or at the rear of the car with a fan, etc.), most people wouldn't find the trouble worth the savings.

[GSpeed]

Originally Posted by ka-t_240

What oil cooler should I run, or should I make my own?

Perrin's kit is good, they use a Setrab core. We've got one on the shelf right now.

[Uplink]

Originally Posted by GSpeed

Perrin's kit is good, they use a Setrab core. We've got one on the shelf right now.

Plus when you eventually install the Edelbrock SC, it'll fit.