video Up'd here: http://www.the370z.com/track-autocro...tml#post522440 ... may have to give it a few minutes for processing if you're looking at it now

NIce! Great drop in lap time! That's on the "big" track, correct?

yessir, the "big" one

Nice work, you might have to start to take this up professionally judging by your improvements.

haha, thanks, but in my dreams... would need about 1,000 more hours of seat time for that... a year!

Nice Work Travis

Good driving Travis!

Dyno tuning results! good results, but still a mixed bag...

http://i656.photobucket.com/albums/u...isjb/POWER.jpg
http://i656.photobucket.com/albums/u...avisjb/A-F.jpg

The top line is with the muffler completely removed... I had no idea that the Burns muffler was that restrictive... I'm a bit surprised... I may end up just running a straight pipe as a result of this

BIG THANKS TO TIM AT XACT DYNO! I'll be going back there again once UpRev increments the software to include valve and cam adjustments

New BC Racing coilovers went in today! 18Kg/m front and 16Kg/m rear springs!!! it's going to be a brick... Having the original set boxed up with <10 hours of drive time on them! Going to make someone a great deal

Car goes to paint tomorrow (scoops, interior)... unless someone has a better idea, we're going to go with something like Nissan's matte gray metallic (AG03), but a few shades darker

Dibs! Were the original the standard BC spring rate for the Z?

How does it sound with no muffler?

ungodly loud!

Nice work Travis. Can you tell us what the three power levels are indicative of.

lower is baseline with "current setup"

middle is after tune with "current setup"

top is after tune with "current setup + muffler delete"

current setup includes Stillen G3 long tube CAI, Stillen shorty headers, cat-delete, burns stainless single muffler, underdriven pulley, and a/c delete

So about 8-10whp without muffler? That's very surprising with that very free flowing muffler you are running. I would have expected almost no change.

Didn't make sense to me either... Burn's rep claimed it would at most impact whp by 2-3 vs straight pipes, based upon many dyno runs their customers have done...

A few updates

1. thanks BC Racing NA for overnighting / expediting the rear spring perch adapters for my swift racing springs! those guys went above/beyond to get me ready for this weekend!

2. car has new interior paint as of today.. we went with satin finish House of Kolors Metallic Dark Gray... has some metal flakes in it and should contrast nicely with nissan brilliant silver

3. will be hitting Spring Moutain this weekend and will update after the weekend

4. Redline Motorsports of Tempe, AZ, one of my sponsors, unfortunately went out of business this week... the proprietor, Robert Boreham, will be taking over as lead of the service business within Evolution Motorsports... for those of you that follow autoblog, you'll see some coverage of one of the bad-*** cars that Robert will be looking after here First Drive: The Gumpert Apollo is a near-mythological, utterly fantastical beast &mdash; Autoblog

here's a pic of the color we are using on the interior!

http://mail.google.com/mail/?ui=2&ik...disp=inline&zw

Beat me to it. I was waiting on his part out thread, didnt think to check here first haha anyways, 2nd dibs?

Oh and congrats on your build so far. Top 3 on this site for sure.

Hey Travis - I know you had faced issues with fuel cut on hard turns - I was low on gas and hit a daily freeway on-ramp kinda spirited and experienced it for the first time. All systems went off - no power steering / brakes / etc - waited on AAA to get me some gas - Did you ever figure out a way around this? I mean I can always keep my gas over 1/2 tank but I don't feel I should :) Any advise is much appreciated - oh and your ride is coming along very nicely!

there is a fairly active thread on this board where a new vendor is talking about building an 'in tank surge pump' or something to that effect... i will be going that route... I get fuel cut out with just 2 bars down on sticky tires... have to keep it literally topped off! it was a problem today at Spring Mountain in Nevada

Pfft, braggart.

Just kidding of course :-p

Back from Spring Mountain in Nevada... wish I had video to share! we had a blast up there, however, unfortunately for some reason my chasecam didn't tape... too bad b/c I had some great moments sliding around corners in my last session... we were running the 3.1 mile clockwise configuration with Speed Ventures and best time was 2:36.443 with a theoretical best time across sessions of 2:33.92.

For anyone considering this track, I'd give it a 9/10 ! Very fast, plenty of entertaining turns with good run-off areas if you over-cook (however, beware of rocks off track and tortoises crossing the track!)... affordable and very well appointed lodging on premise, including raquetball courts and swimming pool... the facility owners are going to add another three miles in the near future fyi

I love that track! I did the Corvette driving school there.

Yes very fun track indeed. :)

Here are 2009 RTA results for Spring Mountain... based upon the mods to my car, I would be in 'modified rwd'... not competitive with my friend Jeremy's time... this is a good indication that I need to avoid RTA ! lol

Stock FWD Record Eric Emmerson - Acura Integra Type R 02:48.0
Stock RWD Record Paul Dentice - AE Performance Nissan 370Z 02:43.8
Street FWD Record Clint Boisdeau - FSWerks Ford Focus 02:43.3
Stock AWD Record Robert Fuller - Robispec Subaru STI 02:39.3
Street RWD Record Manley Kao - TrackHQ/APR/Toyo Lotus Elise 02:34.9
Modified FWD Record Tim Kuo - SportCar Motion Acura Integra 02:34.1
Street AWD Record Jeremy Toye - Reese Tuning Mitsubishi Evolution IX 02:33.5
Modified RWD Record Jeremy Renshaw - AFI Turbo Honda S2000 02:31.7
Unlimited FWD Record Chris Rado - World Racing Scion tC 02:27.1
Modified AWD Record Ryan Gates - Gates311.com/AMS Performance Mitsubishi Evolution X 02:24.9
All-Wheel Drive Record Paul Gerard - AMS Performance/NOS Energy Mitsubishi Evolution X 02:18.1
Rear Wheel Drive Record Billy Johnson - FX Motorsports Development Acura NSX 02:13.1

new topic... tpms retrofit system... hmmmm, thoughts?

Orange-P409S Retrofit Kit

http://www.orange-electronic.com/eng...s091202_03.gif

http://www.orange-electronic.com/eng...s091202_02.gif

http://www.orange-electronic.com/eng...ages/sub06.jpg

Thats hot...

Nice device.

Ooooo.....very nice

It says it takes tire temperature as well, but how does it do that? I guess it is measuring the air temperature inside the wheel?

correct, from the air... at best, an indication of actual tire temps... not a substitute for direct pyrometer measurement

You would actually be in Unlimited RWD with the Hoosiers so you would be up against the FX car that ran a 2:13.1 :D. Toyo R888s and Nitto NT01s are the competitive Modified Class tires.

man, I'm slow... 23 seconds to make up

You would be better off getting some Mod class legal tires as that NSX is at a level I don't think any 370Z could ever reach.

The NT01's are a pretty decent track tire. Not quite as much grip as R6's but still a bunch more than even the best street tire. I would take them over R888's for dry events, although R888's are much better wet.

I'm with you... already planning transition to NT01's for NASA TTA classing... was being tongue in check about chasing the NSX time... my weight to power ratio is >10... the NSX is half that

Updated project lists - new items in bold

370Z to do's:
- add front brake cooling
- resolve fuel starvation issue
- buy/install stiffer motor mounts
- change machine screws to bolts for battery hold down (NASA safety rqmt)
- more permanent wiring for electrical accessories and wire high beams
- install spa oil/water gauge in place of clock
- setup rear diff cooling
- weld / fill the holes on the rear deck
- shave weight on hood, rear hatch, bumper beams, rear structure, etc
- various Aero work incl. update splitter / eliminate weight
- replace broken rear view mirror
- replace broken windshield
- alignment... -3.5 front / -2.5 rear, dial back caster to ~5

Other 370Z to do's for classing:
- switch to Nitto NT01 275/40/18 corners and use Orange Elect tire monitoring
- swap to OEM sway bars (keep stillen sways as spares)
- add 75-150 lbs of ballast, for comp weight of 3,250 (150 assumes fuel issue resolved)
- remove canards and front splitter

Trailer to do's:
- patch holes in trailer... big one on side, some little ones
- install electric winch
- paint floor with "porch paint"

Parts left at Junior's?
- rear middle brake light
- one of the splitter struts

hmmm... maybe something for my trailer! :) would like to be able to watch my runs in between sessions... on a CF card... any other ideas?

https://www.izzyshop.com/merchantman...roducts_id=489

https://www.izzyshop.com/pictures/32inch1.jpg

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Hey Travis,
Why did you switch back to stock sway bars? Is it better than the after market ones? I am thinking of getting hotchkis sways.
Thanks
Kevin