Friday, October 14, 2011

Summit Point PCA race - part 2

So where were we? Ah yes, strapped into the car, rain pouring down and ready to start another race at Summit Point. The skies teased us with some lightening of the deluge, but no love for race 2. 10 miles away in Winchester it was dark and gloomy, but not raining. Looking at the radar, Summit Point seems to be stuck in a Groundhog Day loop, a giant rotating green splash that seems stuck on us. All totally irrelevant of course, 944 Cup racers are made of stern stuff, we race in the snow after all (February @ VIR). While I wasn't on pole, I was on the outside of pole but with a transparent windshield this time. A tradeoff I would glady do again.

Bob Page (blue 76) and Chris Derecola (yellow 24) at Nationals 2010


Bob Page in the blue #76 was lined up next to me on the inside on pole. Right behind me is Steve Randolph (#3). We're in about row 4 or 5 of the race group. We round turn 10, eyes straining for the green flag. Revs build and hearts are beating 180 bpm and then Green Flag!

Bob and I pedal neck and neck down the straightaway. I decide to stick with the outside lane and not do anything stupid since it was still pouring. I tuck behind another car and follow them in the braking zone. Now I'm usually a good latebraker. I'm even better in the rain since my car has ABS ... As I'm diving on the brakes, I'm watching some cars skid off in front of me into the gravel trap or run off road. I'm also thinking. Man, Bob's waiting awfully late to brake ... I bet he's going to not going to make the corner, I better do something about this.  I check up and go wide in the corner figuring he would go flying past the front of me. And here's come a flying splash of blue 944 on my right side. Unfortunately Bob didn't miss me, but nailed me pretty good in the wheel and front fender. Just like a banked pool shot he goes flying off at an angle and into the outside gravel trap.

Other than a slight deviation in my course, it didn't do a whole lot to me. I continued on at full tilt and into the class lead.

Bob Page's car at Nationals 2010

Now Bob is breathing down my neck in the championship. With his win in race 1, he's only 2 points behind. With him in the gravel, now's my time to make some points. With cars spinning off everywhere at the start I guess the corner workers were busy. I watch the black flag stations (I could see them this race!) as I go by but don't see any call to come in. A couple of laps later they close the pits as Bob was able to make it to pit lane but broke down and blocked it. He needed to be towed in to clear it.

Eventually Steve Randolph (#3) is parked on my bumper. This should be a fun race, we should be evenly matched in the rain. Entering the carousel (turn 6) my car just doesn't have any power. Normally, I downshift into 3rd gear at the bottom of the Chute (turn 5), accelerate on the short straight, a light left foot brake, turn in and back on the gas. This time nothing much happens. WTF? I glance at the Data System and it says I'm in 3rd gear. I don't believe it, it feels like I'm in 5th. I reshift and back into 3rd. Still no power. Steve just dives into the inside and motors on past.

The car feels slow. I'm keeping my foot to the floor through the rest of the carousel - normal proceedure for a 944 anyway - but not much drama. Rolling through turn 9, it's like my turbo spooled up and came on boost as the power came back online. The middle of turn 9 was not an auspicious location for this to happen and the rear stepped out on me. Some quick hands and we were back on course. With Steve disappearing in front of me of course.

Halfway down the straight, the power goes away again, then reappears halfway around turn 10. And so it goes the rest of the race, power, no power, power - holy shit not here! - no power ... I'm in 2nd but not destined to stay there long. Dave Gibson comes rolling up and after some token resistance by me, goes on by. Into 3rd now. Crap.

And now here come Robert Provost in his SP1 car filling my mirrors.  Here's a couple of laps from his viewpoint.


My car is at least consistent. Power, no power, power, no power. But as the race winds down the on power cycle is getting longer. I figure something got wet (duh!) and is finally drying out a bit. I manage to keep Robert behind me and bring the car home in 3rd. Another podium finish and some breathing room from Bob. With the finish I now need to just finish 14th or higher to get a lock on 2nd in the championship.

The turn 1 hit resulted in a dented fender, easily fixed at home with a mallet and some krylon paint, and a cut tire. It was time to get another set of wets anyway.

Tomorrow is another sprint and a 60 minute enduro, both non-point races. Still more challenges ahead, the weekend is definitely not over. However, it was time to head off for beer and the bar-b-que track dinner.


Delaware PCA DE @ NJMP

After the Summit Point club race - which I'll get back to shortly - I had to quickly fix up the car for the annual Delaware PCA region DE event, which is held at Thunderbolt the next weekend. This is our 4th year doing this, and for the past several years I've been the registrar. We only do one DE a year, but we try to make it one of the best for everybody.

First item to address was to replace the radiator fan that was given me so much problems. Pulling it out I was surprised to see that it wasn't a thrown balance weight, but that a whole fan blade had broken off.


Well, in my defense, it was pouring rain, wet, dark and gloomy at the race, and the fans black, so hard to see. I had my choice of fan assemblies from my pile of parts and bolted another one right in. A quick wash of the car outside, when it finally stopped raining for a bit, and it was off to the track.

Friday was our "open track" day where we run alternating 30 min sessions and in theory, get 4 hours of track time. I had a blast, running on my Toyo RA1's that look like Hoosiers now, with god knows how many heat cycle on them. On Saturday my on-track time came to an end during the 2nd session in the morning when I blew a hole in my headers. Not wanting to risk a burnt valve, I parked the car. After all, all I have to do is one more race where I finish better than 14th and I grab 2nd in the 944 Cup North Region championship. I finished out the weekend doing my registrar duties and the occasional instructing stints.

Back home I pulled the header and unwrapped the heat tape and found the damage was greater than I though.


The top area is the one I was able to see at the track. The bottom crack was invisible.



 Even worse, the crack went all the way around the pipe. This header is done. I'll keep it around and try my modest welding skills on it. If it survives I'll keep it as a backup. But for now, I went and ordered a new MSDS Header that was ceramic coated from Lindsey Racing.





Looking Sweet!

The car was running warm at the DE and using water somewhere, so I'll also take the opportunity to tear down the top end to see if I can find out what's up with that. Most of its already off the car and I'll finish up this weekend.

Wednesday, October 5, 2011

Summit Point PCA race - part 1

For the twitter nation, here's the short version of the weekend: dry, warm, beer, cold, rain, fogged up, 2nd, more rain, bang, miss, 3rd, beer, ribs, trophies,tires, more beer, dry, cold, still missing, 2nd, cup car, mud, 1st, pit, cup car, spin, overheat, dnf, home, beer.

You can leave now, the grownups will stay.....

Friday was dry and warm. With my old 12 heat cycle tires I was able to get down into the 1:27's. Which was nice as I haven't been to Summit Point in years after the thousands of laps I've done there. The track felt good and I remembered where all the turns where. We had 3 practice sessions and then the rookies had their practice starts and fun races and it was time for some beer. We ended up at Winchester Thai (recommended) for dinner in the pedestrian mall in Old Winchester.

944 Cup Head Honcho Dave Derecola has moved to South Carolina from the Maryland area, and so has joined the ranks of the Gentlemen racers, doing arrive and drive, letting his crew, in this case, Gerald from John Behe's shop, drive the truck and trailer and wrench on the car.

Gerald working on DD's car

David Mann and Dave Derecola.Steve's Randolph's car in the background.

By Saturday morning, the clouds had moved in and it was threatening rain. Soon it was time for qualifying and the track was damp enough the decision was made to go to Hoosier Wet tires. And they stayed on the car for the rest of the day. Our group was a mix of 944 Cup cars, Spec Boxsters and misc 911's. It was a bit crowded and I never got a clean lap and qualified 4th, within a second of the rest of guys on a wet track.

Steve Randolph #3 - North Region Champion 2011 -
I was mathematically eliminated over the weekend. when Steve finished
only 1 position behind me. Still in the hunt for 2nd.

Bernie, Steve Randolph's crew and mechanic

Sitting on the grid for race #1, the rain was coming down pretty good. I was feeling pretty good myself, I enjoy rain races. It seems though, that is a minority opinion, as the run group size was only 50% or less from the day before. The call comes, and we head out for the pace lap, taking my position on the outside (left). Just them my windshield starts fogging up. WTF? I use shaving cream on the inside to defog since I don't have any defrosters. The qualifying session was just as wet and visibility was great.

That wasn't the case now, it was seriously fogging up. I could wipe about a 1 foot square circle just in front of me, I couldn't reach any more. We come onto the front straight and there must have been a green flag, not that I could see it, but we all went. Huge waves of spray coming off the cars in front of me. I assume it was coming off the cars, as even if they were 5 feet in front of me, I couldn't see them.

'Well this sucks' I'm thinking. I head to the inside hoping to get out of the spray so I can maybe see turn one and brake for it. The spray lessens and I run down the inside with all the other 944's stacked behind a slow Boxster and take the class lead.



Some of the SuperCups - Noel Hall's turbo

Meanwhile in the car, the fogging is getting worse. Pretty soon my windshield is solidly opaque with just the little porthole in front that I can reach with my glove. The rear hatch was mostly fogged up also, so visibility to the rear was mostly from my left side drivers mirror. Anything out the right side of my windshield is just not there. Since there is only 3 left hand turns with all the rest right-handers, that made driving a bit challenging. I started playing the game "Guess where the ... (brake marker/apex/track-out) ... is". I started taking mental snapshots of the turns ahead and when I thought I was in the vicinity, I would turn in.

Overall, I sucked at this new game. I think I may have hit 3 apexes and maybe a couple of braking points in the entire race. I would brake way too late, get all crossed up and squirelly - remember it's a wet track and slippery. But I was still in the lead!

About lap 7 I caught a 911 that was getting stacked up in turn one behind a Spec Boxster, slowing us both down. Bob Page, who I had been keeping a consistent gap behind me even with my driving by braile style, was able to catch up and parked himself on my bumper.

Heading into Wagon Bend (turn 3) I totally missed the braking point (my marker is on the right side ...) and got the car very much out of shape. With arms windmilling, I gather it back up, but Bob got by. With Bob actually able to see out his windshield, I was never able to get past him and brought the car home in 2nd place. With Bob taking the win, he was now only 2 points behind me. I must finish in front of him in the next race. Steve Randolph rounded out the top 3. Since he finished only 1 position behind me, I was told that mathematically eliminates me from the championship - ala  Formula One! But I still have a good shot at 2nd as long as I can keep Bob behind me.

More SuperCups - Steve Wilson's turbo
Check out that wing on Wilson's 951

944 Cup dinning at Joe's aka The Racing Chef'
(from left) Bob Page, Steve Randolph, DD

After a nice lunch prepared by our own 'Racing Chef', Joe Boschulte, it was time to strap back into the car for Race #2. Still raining, but  I had redone the shaving gel treatment to my windshield and I was expecting to at least see this time. And that was the result, good visibility throughout the race. With that problem solved, Mr Murphy wasn't done with me yet. More drama was in store.

Tuesday, October 4, 2011

Stealth Car Recognition

Interesting weekend at the Summit Point PCA race. Drama, rain, contact, flat tows and podiums all mixed together. Race report to follow.

But first, at the Saturday dinner, my car was voted by the corner workers to be the most colorful, or unique, or "interesting" design. I'm still not quite sure exactly what the criteria was, but I ended up with the "Andy Warhol Paint" award. And the trophy was much bigger than the podium awards. I'm surprised they were actually able to see in the car in the pouring rain. It's flat black with no lights after all. Anyway, pretty cool indeed.


Tuesday, September 27, 2011

Cool Mosport video

Here's a cool short video of all the 944's drifting through Turn 3 at the Mosport races earlier this year. #88 is in the middle of the group.


Monday, September 26, 2011

Nuts and Bolts revisited

The Summit PCA club race is shortly in the future. The car is safely tucked away in the trailer so I'm turning my attention back to the motor rebuild. Since I'm not in any hurry to finish the motor - I'm keeping the street motor in the car for the rest of the season - it's time to get back into my electroplating adventure.

When I last left it, I had done several batches of nuts and bolts, but the results really didn't meet my standards. Time for some serious attention. I upgraded some of my equipment, got a big heavy duty controllable power supply and built a workstation. Last week and weekend I spent time varying parts of the plating process to see if I can come up with a repeatable process with good results.

First step is getting a good working surface suitable for good plating. Like painting, surface prep is probably 50-80 % of the real work. No fancy glass-beading process here, just me and my bench grinder with a wire brush. Since the cadmium surface that was left of some of the bolts was highly toxic, I choose to wear a respirator while grinding the crap off.

Bolts, nuts and washers in their original glory

After wire brushing
Wire them up to conduct electricity. This is a pain in the ass if you have 20 washers and  nuts.

Dunk in a bucket of diluted muriatic acid to remove any rust for about 2 minutes

Degreaser step
 I dunk the parts for 10 minutes in a degreasing solution at 180 degrees. I use a crock pot I bought for $10 new at the local Walgreens.

30A constant current power supply
Finally, hook up the parts to the power supply and off to the plating bucket for about 20 minutes.

V1 of the plating bucket

The plating bucket has a special solution to facilitate the transfer of zinc ions to the parts. You can see the zinc plate at the bottom right. It gets hooked to the positive lead of the power supply. I hang parts from a copper tube that's connected to the negative terminal of the power supply. That elongated round tube is a heater which keeps the temp about 105-110 degrees. The square box is an aquarium pump which agitates the solution. As the zinc migrates from the anode plate to the parts, the parts give off a little hydrogen gas. The pump keeps fresh solution flowing over the parts to keep the plating going.

I plate for about 10 mins at 1.5 amps, and then flip the parts around and go for another 10 mins. The flow of zinc is directional, only the parts that can "see" the anode get plated. The backside doesn't, thus the flip.

When the parts come out of the plating solution, they should be nice and shiny. Next a 15 second dip in my yellow chromating solution - nasty toxic stuff, must wear my respirator - and a quick rinse in distilled water and here's the result.

Oil pan bolts

Here's a comparison between some original bolts and the final result.


Just like me, they clean up pretty good!

So, how's the process working out? When I started out, maybe 10% of the time would I get something ok or reasonable. After this weekend, I'm about at 50-60% of the time I get great results, and the rest just ok. So I'm making progress, but there's more work to do.

Here's some timing rollers hardware. This is an example of when it goes right. The original plate was dull and oxidized, slight surface rust, the bolt head rusty. Look at it now.


Monday, September 12, 2011

Latest news

Ok, it's been a while since I updated here, so let's get with it.

When I last left, I had a great series of 3 races at NJMP, but ended up pushing the car into the trailer since it was not working at the end of the weekend. Pouring more water into the system just resulted into a large puddle of water under the car so obviously, some work was needed.

Further investigation revealed that the big polehole bang resulted in my radiator fans to flex at the same time my radiator did, resulting in the big pointy screws on the fan mounts putting a nice hole in the radiator: the source of my overheating woes.

A new turbo radiator and hoses from Lindsey Racing took care of that issue. But the car didn't start and didn't sound healthy. My guess is the head gasket went, and what the EMT crew thought was fire as I coasted into the hot pits was really steam escaping. Since I was watching the gauges and immediately killed the motor, there was no signature massive cloud of steam that usually occurs.

A few hours of work, and while the head gasket may be gone, the true reason was revealed. I had wildlife living in my motor. Not squirrels or snakes this time, but cranes.

I didn't think cranes were native to Pennsylvania

Pretty fertile conditions for waterfowl
 Normally I'd have this fixed in no time, I can do the top end without looking at the shop manual anymore. But it became crunch time at work and the car sat idle for a couple of weeks. Just no time to work on it. I missed the PCA race at NJMP Thunderbolt,but with hurricane Irene blasting the track, I didn't feel too bad.

Last weekend I finally had some spare time and headed back into the garage.

Pretty, shiny head back from the machine shop.
The machine shop worked my head, new valve guides, and needed to slightly shave it to get it back into spec. It was just a tiny bit warped from the heat. They also dunked it into their parts washer for 24 hours to remove all the fine quality leaking street motor sludge.


Since the head gasket was most likely the original, I can't be too unhappy that it let go. The motor has over 120K miles and the odometer didn't work. So I guess we got our money out of it. Time for a new one.


A few more hours of work and it was time to fire it up, which it did immediately. Note the traditional smoke offering to the car gods from the spilled oil cooking off the headers.


My (Premature) Obiturary

Lots of news organizations maintain pre-written obits so that when a celebrity passes, they open up the file and need to just update a few l...