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Road America BoP
Aston Martin under the minimum weight allowing others to lose some weight too. A longer race, 6 hours, this time. Back to the 230/240 low high speed power transition. Previous BoP updatedDaytona– Sebring – Long Beach– Laguna Seca – Detroit – Watkins Glen…
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Detroit Performance Charts
That’s it! GTD PRO Cars – GTD Pro Drivers – GTP Cars – GTP DriversCloseness – Lap Chart GTD PRO Drivers GTP Drivers Closeness! Lap Chart Read more…
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Detroit Friday Practice
There are only two practice sessions for this short race. Here is a quick look at who has set the pace. The sessions were disrupted by red flags. One in the first1 and three in the second2. GTD PRO It is the lesser… Read more…
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Detroit BoP hits Porsche
A hit to power and no compensation at high speed.The lower activation speed remains for the street circuit. Power to Weight Aston Martin stays at the top, but is joined by Acura. Not good for Aston. Cadillac gets a boost too, but to… Read more…
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Laguna Seca Lead Battle and GTP Performance
The quickest car didn’t win in this caution free race, but the quickest driver did.GT stats and closeness of all three classes are here. The Battle for the win Watch the battle here. Initially the built up a nice 4-5s lead. From lap… Read more…
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Laguna Seca GT Class Performance
+ How close was every class? GTD PRO – GTD – Closeness!GTP Race Analysis GTD PRO GTD Closeness! Read more…
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WEC São Paulo BoP look ahead
A look at how the performance will feed into Brazil’s BoP. Previous Three Race Performance To come up with these the rule makers compare to the last three race. So let’s start by reminding ourselves of the order in those races. What did… Read more…
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Laguna Seca All Practice
Penske top the times GTP Problems for Cadillac #10, but made up for it on Saturday. Porsche and BMW matched in Top 10!BMW looks strong, Maybe Acura! The others, relative to normal look further behind. Still super close. GTD PRO Closer at the… Read more…
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Quick Look at Relative Pace from Spa
Ferrari still has the edge. Hypercar The #51 Ferrari had to put in those laps, on new tyres, in the last stint to get the gap. That helps Top 10. Ignoring the outliers of cars that had problems there is a super consistent… Read more…
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Spa-Francorchamps Hourly Update
FIA WEC 2025 Round 3 Spa FrancorchampsWinner #51 Ferrari AF Corse, 150 laps Read more…
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WEC Spa BoP (Updated)
A simpler correlation between performance and adjustment. A wider range of BoP parameters. Updated 5/5/2025 (first published 22/4/2025) Spa-Francorchamps1 is the third of the new 3 race average approach2. Observations – Previous Performance – BoP change – Correlation – Data Observations Previous Three… Read more…
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Laguna Seca Friday Practice
Penske top the times GTP Problems for Cadillac #10. Porsche had the fastest laps, but BMW looks strong, Maybe Acura!, but Top 60% isn’t always a good indicator so early on. GTD PRO Rexy doing the business in practice. Whatever the class. GTD… Read more…
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Spa – All practice
Wooo! Spa! Update to include fp3. Hypercar Here are the fastest laps and when people set them: Practice makes perfect But really it is about getting those laps in. One more lap from #83 means it ranks highest here. #51’s running was limited… Read more…
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Spa – Quick Look at Day 1
Wooo! Spa! Hypercar Here are the fastest laps and when people set them: Practice makes perfect But really it is about getting those laps in: #51’s running was limited by an off at Raidillon the start of fp2. So it did less laps than… Read more…
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High Speed Power Activation Speed Reduced to 200kph
Back to the normal sprint race format. Here are the BoP changes.1For the first time in either WEC or IMSA the rule makers have reduced the high speed power activation speed. High Speed Power >190kph! Unlike in WEC where there is a single… Read more…
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Imola First Look at Relative Speeds
Highlighting the Top 10 laps and 60% fastest of each car. The first race where we have to wonder about what happens when a car has it’s laps disrupted. i.e. poor conditions, safety car, and retirement. Although Cadillac was impacted a little by… Read more…
