Posted on

Days 16, 17 and 18 – 30 Days of Racing in a row

This is a combo article because I frankly fell behind righting as the race weekend took over.

Back to PIR to get the bad taste out of my mouth

The last time we were at Portland International Raceways (May 2017), the weekend was going great but on the main points race Sunday afternoon, the race was over by turn 3.  A couple of Spec E46’s were tussling ahead, one got pushed off and insisted on getting back on track, immediately spun when the front tires grabbed and got side-swiped. While it sucked for the team, we fared much better than two other PRO3 cars which were nearly totaled.

YouTube player

 

As an aside, another example of how important it is to know how to properly go off track and apply those techniques, every time – even in racing conditions. The reality is that going off will happen and applying those techniques will save you and everyone else a lot of money in the long run.

That race was run without a chicane (usually reserved for endurance races) and this would be the first of two race weekends with the chicane, aptly named the “Chicane Challenge” and I was really excited to see how the investment in simulator time would pay off.

Friday Test and Tune Day – .5 seconds faster right off the trailer

This isn’t a perfect comparison because of differences in weather conditions but when I looked at my first session off the trailer this Friday versus the same first session, in August 2016 (the last time I ran PIR with a chicane), I was ~.5 seconds faster and broke the 1:30.000 barrier for the second time.

What happened? Softer braking, which lead to higher min-speeds through each corner.

Looking at the data comparison below, it’s clear to see that I was able to use less brake pressure and carry more mid-corner speed AND get on throttle (and full throttle) sooner than a year ago. On this specific session, I remember letting the tires warm up and then attacking the corners and surprising myself that I had so “easily” hit a 1:29.xxx lap time. On the following lap, I tried to repeat it but found that while carrying more speed through the turns 4-5 transition area, the bumps in the road unsettled the car too much while I was on throttle, causing the left rear corner to break loose.

A comparison of my off the trailer, 1st session on a test and tune in August 2016 versus June 2017.  Look at the brake pressure differences and the delta chart.

Also, I was driving on relatively old tires (Toyo Proxes RR 225/45/15’s) that were on their third race weekend and their 12th heat cycle. There is an urban legend that PIR “likes old tires” and my personal interpretation is that PIR is a very smooth and grippy track and thus older tires still work well but newer tires are still going to be optimal.

A track map of Portland International Raceways, with a Chicane

The rest of the day I stayed on the old tires and struggled to break 1:30.xxx as the day got hotter and grip went away but we focused on helping that rear left corner take the beating. With PIR being a 12 turn, clockwise track and only 3 of the 12 turns being left handers the car left rear tire is under constant heavy loads, trying to get out of nearly every corner as quickly as possible.

Saturday Qualifying, Points Race 1 and 1-Hour Enduro Race

This was a unique weekend with the Saturday Group 1 race being a championship points race, along with the Sunday race. So each day we would start with a clean slate, qualify in the AM and race in the PM.

First up was Group 1 qualifying, which went ok but I couldn’t find good track position, to get me a solid draft on laps 2-4, where the fastest lap times would come happen.  I ended up with a 1:30.092 and qualified 4th.  Not bad but not great, being .5 seconds clear of 5th place but almost .7 seconds from pole – ouch.

In Group 8 qualifying, we strapped on some new tires so I could scrub them in for Sunday’s race and boom, 1:29.635!  New personal best and, it didn’t seem too hard.  The big difference?  Carrying a tiny bit more speed into the chicane, more speed into turn 7 and through turns 10-12.

Group 1 Points Race: 3rd Place

At the start of the race, I got a really good start and was behind a the Spec E46 of Dan Rogers, who has a ton of race craft.  We were on the inside for turn 1 and more importantly, the outside of turn 2, which is the chicane.  On these low speed, high G-force turns, in traffic, it is generally best to be on the outside, because you have less steering input and can get on the throttle sooner.  This is because when going two or three wide, we aren’t going at normal speeds, we’re going 10-15 mph slower and thus nowhere near the traction limit.

This gave me a solid run through the chicane and coupled with an incident where another PRO3 car tried to squeeze through where there was no room, spinning both cars – I was in the lead by turn 3 and leading my first PRO3 race?!???!

Leading my first PRO3 race ever, holy crap! Maintain, maintain, maintain….

I lead for a few laps but eventually, Brian Bercovitz got me and pulled away.  Then the PRO3 who spun the other car, caught up and when we were going around slower traffic, he got a clean run out of a corner while I had to check up and he got past.  I ended up in P3 but further improved my personal fastest lap time.

YouTube player

Group 8 1-Hour Race: 2nd place for being greedy

The 1-hour races are basically more practice for me – I like doing them by myself because I can just focus on hammering out laps and hard-coding improvements.  I always strap on the oldest tires I have on-hand and try to set fast and consistent laps.

This was no different and from the start I was battling with a regular foe and friend, Jeff McAffer.  I was in the lead the majority of the race but Jeff was able to stick with me the entire time.

After the mid-way pit stop, I decided to try to push a bit more as I was hitting 1:29 lap times, on crappy tires and a greasy track.  Suddenly, 1:29.7xx!  I felt like that lap time wasn’t too hard to get, so I went for a repeat but the tires didn’t agree.

This could have easily been just my inputs but my hypothesis is that I over-pushed the tires and I was asking them to do a qualifying lap when they were in lap 35 of a race.  I had the win in the bag and Jeff about 5 seconds behind but I got greedy, went off and ended up in P2.

This is not a good POV at turn 12 at Portland International Raceways

Now I know there is a reason for the saying…

“Go only as fast as you need to finish where you’re going to finish.”

Sunday Group 1 Race

One thing that I started doing this year is running just Group 1 and Group 8, which means I get a solid amount of track time and on Sunday, I only have one group to worry about. This way I’m rested and not rushing on the day that usually counts.

Sunday Group 1 Qualifying: 1:29.874 P4

Coming off of the Saturday’s lap times, where I got a 1:29.466 in the afternoon Group 1 race, with fresh tires but loaded up on weight for race trim, I felt that I had the potential for a very low 1:29 in qualifying and thus in the running for pole. I just needed to have good track position on laps 2-4, where I could get a draft on at least one of the straightaways. But it wasn’t to be – I went out and was stuck in “no man’s land” for the first part, then I slowed down and waited for a group of PRO3 cars to come by so I can get behind them. I was able to finally do so and had a low 1:29 going but got behind a PRO3 car that slowed down way too much for turns 10 – 12. It was still good enough for a P3 but I knew I had the pace to battle for the podium and possibly the win. If I would have had an average sector time for turns 10 – 12, I would have been easily with a 1:29.4xx with my rolling best lap being a 1:29.522.

Purple cells = rolling fastest lap and yellow cells = fastest segment times

Sunday Group 1 Race: P7 finish due to a late race off-track excursion

The race started well and hard for most everyone, with a clean first lap.  I tried hard to make up at least one spot on the start but it didn’t happen, so I was stuck behind the #81 of Brad McAllister, who is a strong driver and PIR is one of his strongest tracks.  He’s also a pretty tough pass, with a strong racing history in the SCCA Playboy MX-5 Cup, PRO3 and recently the TRANS-AM TA2 series.

Brian Bercovitz, one of the regular competitors I’m trying to best started from the back because he had a mechanical during qualifying and eventually caught up to us.  The couple laps leading to Brian catching us, I had to brake harder than normal to not ram Brad going into the chicane, which over-heated (I think) my front tires.  Going into turns 5 and 6, my front end washed out, and as I was waiting for the fronts to grip, the rear-end swung out and I went-off track.

YouTube player

It was not too bad but just enough time for a couple cars to pass me and by then the tires were too hot and the distance too great for me to catch up and make up the spots.

I ended up finishing 7th and I think if we can do a better job of tire pressure management (to give me more life towards the end of the race) and I can do a better job of not screwing up, there was a 3rd place finish in the stars and maybe better.

Overall, a great weekend and new personal bests!

While I’m not terribly happy with the Sunday result, overall we made a ton of progress on the car and my driving.  There is one more race at PIR with a Chicane in August and I believe we’ve gathered the knowledge to fight for poles and a win.  We know what we can do to drop some low 1:29’s and maybe even get into the 1:28’s, which is encroaching on track record territory.  Let’s cross our fingers for some sunny and not too hot, weather in August!