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Old 10-17-2016, 04:35 PM   #391 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Quote:
Originally Posted by 949Racing View Post
He hasn't won yet. That's just the current builds primary target. BRP spec alignment when you are a member of our race team

Track, weather and race specific alignments are just a logic process. Don't assume anything and look at what you need to win. In TT, it's just raw lap time and you only need have the car at its best for 1-2 laps. It doesn't need to be easy to drive or easy on its tires. So if it is slow on the straights but fast in the turns, that's fine. You're not worried about being passed.

In w2w, track position matters just as much as outright speed. IOW, if there is a spot on track where you are vulnerable to a pass or only one spot where you can pass cars in front, then optimize for that spot. For example, If you can easily defend on the slow left hand turns then there is no need to make your care awesome there. It can basically suck in slow lefts if you are in no danger of being passed there. If the only place where you can pass or need to defend is a braking zone after two long fast rights then make your car awesome there and sacrifice the other sectors for example. Powerband, gearing, aero, all come in to play if they can be tuned within the rules.

In our endurance racing days, we would set up for certain tracks to not just save tires but choose setups to allow a special line on the track that would save the ball joints, hubs and brakes. Many hundreds of racing hours to figure that sort of stuff out.

Virtually no pro, or top amateur teams running production based (unit body) race cars runs a full symmetric setup for any track. This is not outside of the box thinking, special alignments are standard operating procedure at the front of the grid when the stakes are higher.

If you start experimenting with asymmetric setups, we will give you this tip: Do not assume anything has to be symmetrical.
very insightful post emilio.
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Old 10-17-2016, 08:14 PM   #392 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

update: he won

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Old 10-30-2016, 07:00 PM   #393 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

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update: he won

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Old 10-31-2016, 05:25 PM   #394 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

A couple bits of prep for NASA West Coast Championships:

We did a quick test day on October 9th on the Rival-S left over from MRLS(dead) with Speed Ventures so I could do a few laps before showing up blind to the big show.


Car ran well, driver didn't hit anything. Mild success.
Driver needs to nut up in a couple spots and then we should be in the ballpark. I'll be the only non-local I think.



New DIY cold air intake to replace my CARB Legal Racing Beat hot air unit.

BIG drop in IATs was worth a bunch of midrange power.

The conversion to the points build meant I needed to add ~90lbs of ballast. That meant mix and matching my old plates with some of 949's ginormo plates. Placement is NOT ideal, do not take build advice from this photo:



Champ Spec:
PTE base @2410lbs
Hoosier R7 205/50/15 (+10-7) +3
Intake +1
Exhaust +3
ECU +3
Supermiata Xida coilvers 1000/500 +5
LSD +3
-----------
18 points.
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Old 10-31-2016, 05:31 PM   #395 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Thursday: NASA hosted test day on #25CCW. I do one session on RRs, then the rest of the day on 3yr old SM6s. I spend most of the day in the 2:06-2:08 range. I end up running a single 2:05.8 on the high power map and light fuel load. Justin hints that it will probably take consistent 2:04s to win on Sunday. I feel anxious and excited about the battle we are going to have this weekend.

Self check on dyno, make 148.8. Cap at 2410lb base weight is 146.
Immediately, we go down a map, should be good for 3-4whp less than max AND install 32lbs more ballast for a total ballast of ~205lbs. Running @ 2450 allows me to make 148. Extra headroom for minimal risk.


Friday: First day of competition on #1CCW, adding in Bus Stop instead of the long back straight. This is definitely a grip/momentum favorable layout. Swap to my set of scrub R7s that Sonny and I both raced and TT'd on at Mid Ohio. They have ~8-10 heatcycles by now.

Warm up: Layout change fucks with me. I struggle to find rhythm in the busstop complex. During this session I scrub my sticker R7s to prepare them for Sunday. Plan is to run one TT session on them and then race them in the Championship.


During drivers meeting, they talk about sealing our ECU ports with tamper tape. I drop another map down for more headroom and go to impound to get taped before qualifying.

Qualifying: Justin P1, me P2. I had a major wheel drop off the outside of busstop, destroy a wheel, lose 10psi out of the LF tire, mess the alignment, bad. Only do three total laps, came in way early. Justin raw times me, but not as badly as I expected.

Sonny fixes the toe and while we're in there we add another -.5* on the right side.

Heat Race #1: Justin ends up DQ'd for being under weight in qualifying, so he starts from the back of E (only 3 rows back) and gets a mega jump at the start. He passes all of E plus a row or two of D cars before T1. I run in P4 for a while after missing the 2-3 upshift, earning me one of the worst starts of my illustrious 6 month racing career. At some point I somehow make it all the way up to P1 after Gian gets wrecked out in the esses. I was drafting him down the front straight and we were catching a lapped E car. They go through the first Ess side by side, but in the second Ess the lapped car door bumps Gian off the track to the right. He catches a spin out in the dirt, but comes back and completely crosses across the track from right to left, right in front of me. Later in the same race I get stuck behind a PTD BMW with Justin in tow right behind me for 3 or 4 laps. Eventually, the three of us catch another lapped E car in busstop. I go for a gap between the D car and the lapped car which starts to close. I back out of the throttle, abort the pass and watch Justin go around the outside on my left. He ends up with his two left tires in the dirt as the BMW comes down on him at the apex. BMW's LR met Justin's RF wheel-wheel and sent Justin spinning into the lapped E Miata. Justin goes across my path from left to right, the lapped car goes from right to left, the BMW goes off to the right. The seas part in front of me and I drive through the biggest dust cloud of the weekend... with no video.
Finish P1 with an easy second half of the race.


Saturday:

TT session #1: On scrub R7s I run a mid-high 2:04. Good for 1st place, so I relax the rest of the day and skip the other TT sessions.
Post TT impound inspection and dyno compliance check. Car makes 141whp with a super spikey curve. We find that all 4 bolts that hold the two stock coilpacks in their mounting bracket have disappeared. We fix that and go back to the dyno for another self-check for compliance: 146.96whp. Basically .5whp from DQing myself. Correction factors are identical to yesterday's runs, weather is nearly identical. All variance chalked up to the brand new motor breaking in.

At this point we've gone down two maps and are making within 1.5whp of what we made on the max power map on Thursday. Each map dropped 3-4whp on our home dyno. 2+2= my motor potentially making ~154 on max power map. That's through a stock cast iron header... Wow.

Heat race #2: Still on those scrub R7s, cycle #10-12. Back on #25CCW. Thankfully. Justin was signifigantly faster on #1 than me. #25 suits my car build better AND is much simpler to drive as you're basically throttle down from Star Mazda to Grapevine, like 33% of the track length.
Grid set by fastest race lap in Heat Race #1. Justin set fastest lap, but was DQ'd for the out of class contact with that PTD BMW. He started from the back again, giving me Pole. I got a great start and several great tows by D cars in the first few laps. I never saw anybody, but afterwards learned that Justin was catching me before he got black flagged for no brake lights.


Scrub R7s up to cycle #18-20. My times are still improving from track knowledge faster than the tires are falling off. Unable to discern when or where they nosed over on grip, but they were noticeably less grippy in that race than yesterday.

Sunday: Swap to sticker R7s.

TT Session #4(Attempt #2): Holy Moly these tires are fast. Run a 2:03.29 on lap #2 with nary a tire squeak. AIM Solo shows a 2:02 predicted on lap 3, but I come in hot so Sonny can grab temps/pressures to set these tires up for the race this afternoon.

Here's Sunday morning's compliance check, down 2 maps, also spiky due to the broken coilpack mount: This map made 141 on our home dyno.



Championship race: ...




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Old 10-31-2016, 05:34 PM   #396 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

TTE lap record and first place at NASA Western States Championships.

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Old 11-08-2016, 11:33 AM   #397 (permalink)
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The high of winning double national championships is fading. It is time to start thinking about next season.

The 'nationals motor' currently in the car is for sale. Back in will go my old SpecMiata "cheater" head motor, Racing Beat header, a squaretop I've been hoarding, and maybe a new SuperMiata Organic Twin Disc clutch now that we have a new supplier for organic discs. While it's out, I should toss in some valve springs and an oil pump for safety/reliability.

It should make nearly about the same power(still on e85), but won't fit into PTE/TTE on a points-only build anymore.

That leaves me with a couple options:

A. MaxxisCup SuperMiata S2:
Pros: Local series, ran by us, better competition than NASA, cheap, relaxed/social atmosphere, combined towing logistics with 949 crew.
Cons: Local series only, minimal national exposure, minimal contingency prizes.

Requires a diff swap(No Giken allowed), airdam and rear spoiler fabrication, ECU map, 225/45 Maxxis RC-1s

B. NASA PT/TTE or D on a dyno reclass:
Pros: Cheapest "build"/conversion cost. I enjoy the class(build theory/tinkering) a lot, contingency prizes, another shot at Mazda's Roadto24 shootout 2017, another shot at more National Championships. I get to continue using the $free Hoosier R7s I have won, which are crazy fast/fun. Free tires and free brake pads(if I continue winning)
Cons: SoCal region is weak in attendance AND competition, higher cost entries, higher logistical costs.

Allows aero mods, less weight, and/or more power depending on E or D class.

C. NASA ST/TT4 with an Ecotec swap or lots of investment into current engine package.
Pros: Fastest option by far, therefore more fun? New class, lots of freedom in modifications. Plus the same Pros as option B.
Cons: Most expensive option by far. Same Cons as option B.

Requires more power and less weight. Allows aero.

D. Sell the whole car as-is and maybe do something else motorsportsy.
Pros: No need to buy a truck and trailer. Less spending, more saving for property purchase.
Cons: No personal racecar, would need to buy seats in rentals and find co-drives.
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Old 12-07-2016, 05:58 PM   #398 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Not much happening over here. Car hasn't been messed with much since we unloaded after Champs other than putting on some junk rollaround wheels/tires and investigating the oil smoke.

Essentially, we've discovered nothing wrong.
Leak down and compression tests are perfect. It still made the power once the oil got pumped out of the cylinders.
The best theory we have at this time is that the lateral grip my car produced on the fresh tires eventually overwhelmed the factory crankcase venting system and dumped a bunch of oil through the pcv valve at sustained 1.5g+ lateral.

That motor is lowkey for sale. Fully legal "zero point" NASA PT/TT motor. Oil pump, valve springs, forged, blueprinted and balanced bottom end. Easy-power-cap on OEM manifolds and fuel system w/e85.

Back in will go my SpecMiata plunge cut motor and Racing Beat header.
I'll toss my squaretop at it as well and hope for a ~160whp high power map on e85.

Because it will likely see some Supermiata S2 action, I'll go back to a 4.3 Torsen for legality in that series.(4.7OsGiken for sale!)
S2 also requires a 7krpm limiter, to deter against 'requiring' valvesprings. Good for my pocketbook. I would very much prefer not to mess with my pro-built SM head.

If I commit to the whole season in Supermiata S2, i'll fab an airdam/undertray and toss on a Blackbird Fabworx trunk spoiler.
I may also throw my NASCAR CoT wing at it for funsies at lapping days and RoadsterCup.


So it's looking like my car will be cross compatible in NASA E/D and MaxxisCup Supermiata S2.

Something like:
2150-2450lbs depending on fuel/ballast
139-160 depending on map
airdam/spoiler or airdam/splitter/wing depending on event

Ultimately, I can run an S2 legal car in E or D on a dyno reclass for #alltheoptions

Now, just to buy a tow vehicle...
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Old 12-15-2016, 05:16 PM   #399 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Pulled the cover off to swap seats with Sonny's car so the whole team could fit/co-drive Miller last Friday at Buttonwillow




Ended up whipping together hardtop mount v2, 1/8" thick this time:



They should last more than 10 hours, unlike the previous ones. Lulz
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Old 12-15-2016, 10:10 PM   #400 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

The tinker itch bit me this week so I started working on the Aerocatch and Singular Motorsports Louver install.

This is a special #FivePieceBroNuggetMeal like Sean has on his time attack car. I don't think it works substantially better than the typical three piece, but I am a ricer and needed to have #AllTheLouvers.

Problem is, the NB center section is actually spaced a few inches wider than the NA to fit the different under-hood bracing web. This doesn't leave enough room on the outsides for the extra louvers. So I had to customize the layout and essentially say fuckit to the hood bracing. Fingers crossed that 5 riveted in louver panels add back enough rigidity. I also plan to retain, hopefully, all four OEM rubber hood bumpers to minimize bounciness.





Before:




Chopped:



Corners marked before chopping, then moved inwards 1.5" on each side with a full width of painters tape after chopping:


Center section laid, left side aligned with marked corner and bottom edge of center vinyl:


Proof of the 1.5" tape method working perfectly:


Rinse and repeat the other side:


Narrowed Singular Motorsports NB louvers:
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Old 12-15-2016, 11:08 PM   #401 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Quote:
Originally Posted by doward View Post
TTE lap record and first place at NASA Western States Championships.

Cookin' lap!
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Old 12-16-2016, 06:49 PM   #402 (permalink)
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Cookin' lap!
Thanks dude!

I find myself watching it pretty often. That car was so fast for being so lightly modded.

Sunday morning when I did that TT lap was the third day straight and I was so dialed into that track too.

I want to do it again this year. We'll see.
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Old 01-16-2017, 10:15 PM   #403 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Championship motor came out on Sunday. Was then promptly swapped right into Emilio's temporary SPM S2 car today.



My old dyno reclass motor is 'prepped' for reinstall. I wiped parts of it down with a dirty shop rag. That'll do.


List of near-future mods/cleanup:
Proportioning valve
More cage padding
Delete blower motor and heater core
Delete OEM dash bar, mount steering column with fancy roll cage clampy thing
Finish Singular louvers
Install handmedown airdam
Build(trace/copy) undertray
Buy/build rear spoiler


Longshot:
Delete OEM ignition switch/wiper stalk thing, install Longacre starter panel
Paint interior
Prep/build spare motor for something cool


First 2017 event is Jan 28-29 at Buttonwillow. Depending on my LSD legality, I may run SPM S2, or just load a high power map, drop the ballast and terrorize the DE.


__________________________________________________ _________________


Kicking around options on how to maximize a car for double/triple dipping Supermiata, WRL and NASA PTE/D for myself and anyone interested elsewhere in the country as Supermiata goes National bro!

The same build could run all three classes with only map changes, ballast and tire swaps.
I would be making a couple optimization compromises in Supermiata spec, like stock sways, stock brakes and no ELBJs, but those are needed to fit into PT.
I would also be making optimization compromises in PT spec, like the spoiler instead of wing and a 4.3 Torsen instead of my 4.7 Giken, but that's required for Supermiata.

PTE no-asterisk reclass @2415lbs/129whp w/Kansas-powerband
Plunge-cut SpecMiata head, ECU, intake, header, exhaust, squaretop +0 reclassed
205 R7 +3
1000/500 Xidas +5
4.3 Torsen +3
Airdam +3
Spoiler +4
18/19


PTD with 39 points @2330lbs/155whp.
205 R7 +3
80lbs weight reduction from 2410 base +5
Head +6
ECU +3
Intake +1
Squaretop +1
Header +5
1000/500 Xidas +5
4.3 Torsen +3
Airdam +3
Spoiler +4
39/39

If I have to add fuel injectors, I'll be looking at a modified PTD points-only setup:
PTD with 39 points @2360lbs/157whp.
205 R7 +3
50lbs weight reduction from 2410 base +3
Head +6
ECU +3
Intake +1
Squaretop +1
Header +5
Fuel Injectors +2
1000/500 Xidas +5
4.3 Torsen +3
Airdam +3
Spoiler +4
39/39

PTD no asterisk reclass:
2300lbs/149whp
225 -4
RC1 +4
Springs +3
Shocks +2
sways +2
brakes +2
LSD +3
Airdam +3
Spoiler +4
-------------
19/19
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Last edited by doward; 03-27-2017 at 06:40 PM.
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Old 02-20-2017, 08:26 PM   #404 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Quote:
Originally Posted by doward View Post
List of near-future mods/cleanup:
Proportioning valve- DONE
More cage padding
Delete blower motor and heater core
Delete OEM dash bar, mount steering column with fancy roll cage clampy thing
Finish Singular louvers -SORTA DONE
Install handmedown airdam
Build(trace/copy) undertray
Buy/build rear spoiler
Great success!

Not.

I've been wrapped in other shit lately. Missed Supermiata round 1. Round 2 was cancelled. Round 3 is this weekend. It will be a mad dash to try and get ready in time. Never fails.

After getting the motor swap completed, I trailered up to the dyno for some fresh big power mapz with my banned Spec Miata plunge cut motor. It was now sporting a squaretop and Racing Beat header instead of OEM 99 pieces. Should have made #allthepower.

It made 141whp.
...at 6400, where it hit 100% duty cycle.

Bizarre.

Just a couple months ago it was making ~150 through the super restrictive cast iron OEM manifold. The pump and filter were both brand new in october as well.

So I pulled the injectors, bought some used spares from the classifieds and sent them all off for cleaning/rebuild/flow testing.
One came back failed. Dunno if it was one of the ones in the car at the time. Poor variable control in that test. Oh well.

Fresh injectors are back, motor is pieced back together. I'll shoot for the dyno sometime this week.

The goal is to make ~160whp through OEM NB1 injectors. Switching to NB2s(which I know will flow enough) is a +2 point modification with NASA, which I will avoid at all costs. Clearly.

Ultimately, if I am forced to upgrade the injectors to leave some duty cycle headroom, i'll do so. It will only eliminate my D class points build from the options.
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Old 03-27-2017, 06:32 PM   #405 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

4.3 Torsen acquired and installed, 4.77 Giken sold.
Prop valve installed.
brakes bled.
Sonny helped me get the car set up for SPM S2 and TT/PT double dipping with a more general (and symmetrical) alignment and corner weight. We removed a 3% wedge and .6* camber stagger from the Western States Championship effort.



Took it to the dyno Wednesday last week in effort to run Supermiata @ Chuckwalla. Lack-of-fueling problems persisted. We're all kind of stumped.
Freshly rebuilt injectors were still not enough fuel, so I am weighing my options and second guessing entire racecar motivations, NASA vs SPM, cost vs reward, #allofit.

Regardless, that meant I missed the race action. We threw together a last minute plan for me to show up in the ND and at least give DE ridealongs on Saturday in the 949Racing//Supermiata ND. So at 3:30am saturday morning I went in to the shop, pushed 3 cars in and out to make room to change wheels. Then made the 3 hour drive out to Chuckwalla on RC1s and roofless. #OnlyInSocal

I had a blast following the SPM S2 drivers around in the early sessions while trying to learn the track. Following Emilio, Sonny and Adam was highly beneficial. Chuckwalla is freaking awesome. The dropzone into the banked bowl complex of T11/12/13 is SO much fun.











In other news, and also complicating the the "what to do with Button" debate is this:


We bought this 2004 Land Cruiser as a multi purpose Wife daily/National Park exploring/camping/racecar tow rig. I bought enough trailer to be right on the tow capacity, but the '04 refresh adds a 5spd to the already overbuilt, large trans cooler, rig. It's done a couple test tows, the longest one up and over the toll road to the dyno, and did very well on temperatures. Brakes are awesome, suspension sag isn't absurd. Working well so far.




I won't see a track until April 8th with RoadsterCup. Hopefully in my own damn car this time...
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Old 03-27-2017, 07:12 PM   #406 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

Interesting notes on your injector issues above. Different dyno and 01+ engine but I made 165 with red tops. The tuner didn't leave note about any fueling issues when I retrieved the car so I assume all was fine.

Hopefully you don't have issues next time.
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Old 04-19-2017, 07:39 PM   #407 (permalink)
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Default Re: Doward's Jack of all, Master of None Build

The car is still having trouble in the power development department, but it's starting to look like a Supermiata!


Blackbird Fabworx Black Edition spoiler.
Cool new finish option for the same ultra effective, bolt on and go spoiler that we all should know and love. I could have fabbed a DiY version like some other SPMers have, but my free time is limited and valuable. I have much higher priorities when I can carve out garage time. (I owe Moti some fancy shots once I get the car Button'd up and cleaned, so I am leaving the protective plastic on as long as possible.) #doyouseewhatididthere


Singular Motorsports NA/NB louvers + Universal louvers. AKA their Maximum Attack package, or the 5 Piece Bro-nugget meal.
Honestly, these are just cool looking. We sell the middle three piece kit, but I love the look the 5pc kit on Sean's car. I've wanted to put it on my last 3 track cars. Now I have it. Install is a PITA, but I have documented most of it already, so there's no "in progress" pics.


New-to-me PCI seat mount replaced my Memoryfab UltraLow locking sliders. Stiffer, lower, more leg and elbow room. I can also add the butt pad back in without hitting my head on the cage. Win/win/win.
My Sparco Evo is narrower than the Sparco Sprint this bracket was designed for, so it needed 5mm spacers on the front holes and 10mm spacers on the rear holes. The Evo bottom is flat/square so cutting the cross bar out would not gain any room to lower the seat. As it is, the seat nearly rests on the bolt heads on the rear mounting humps. Nothing to be gained without going 100% custom. This is a very legit bolt in combination.




DIY plywood undertray and a spare NA airdam to mock up with. (Airdam doesn't fit perfectly, as seen in above photo)
Plywood because this large undertray actually produces downforce and needs to withstand that. This is also a car that goes farming quite often and needs to stand up to that. I can hang from it @ 190lbs. Schwing.






Removed the OEM dash bar, blower motor, etc.
This was a huge job. My cage is welded in/around/behind the OEM dash bar because I opted to keep it SpecMiata legal for resale potential. I have moved past that consideration and now value the cleanliness and light weight of a cage-only dash bar. So I had to cut my oem dash bar into three pieces to remove it from around the cage's dash bar. Excuse the wiring mess for now.




I'll be using this Sweet MFG circle track steering column clamp to attach the OEM column to the dash bar. This will require deleting the combo switch and ignition cyl, which will require a super cool new racecar starter panel. Yay, more parts shopping!



I also cut the A pillar death spikes off the doors, and remounted the driver's side spot mirror directly to the windshield frame.
Pros:
Less chance of stabbing us when working on car with door open, dyno, loading enclosed trailer, etc..
Easier egress whether the door is open or closed, safer.
Lighter.
Con:
Can't bolt the window guide back in for weatherproof storage, but this is SoCal...


This aero package can still fit into PT.
If I run in E, I will have to run a dyno reclass because of the cylinder head. That gives me the option of using an asterisk to pay for the 3pt airdam and 4pt spoiler (asterisks are 7pts).
If I run in D, I have the option of a few different reclass setups or a straight points build.
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Old 04-20-2017, 07:34 PM   #408 (permalink)
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Location: Santa Cruz
Posts: 2,211
Default Re: Doward's Jack of all, Master of None Build

I think I have an extra switch/gauge panel. The big one that is in my car lol.

-Henry
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