diff --git a/zenno/src/lib/StatChart.svelte b/zenno/src/lib/StatChart.svelte
index 8415a90..af94804 100644
--- a/zenno/src/lib/StatChart.svelte
+++ b/zenno/src/lib/StatChart.svelte
@@ -55,39 +55,37 @@
 	let width = $state(0);
 	let height = $state(0);
 
-	let expand = $state(false);
-
-	const xLabel = $derived(Stat[stat]);
+	const xLabel = $derived(`Raw ${Stat[stat]}`);
 	const xLines = $derived([xRule].flat(1));
 	const xMin = $derived(xRange?.[0] ?? 200);
 	const xMax = $derived.by(() => {
 		if (xRange?.[1] != null) {
 			return xRange[1];
 		}
-		if (expand) {
-			return 2000;
-		}
-		return 100 * Math.ceil(Math.max(1200, ...xLines) / 100);
+		return 100 * Math.ceil(Math.max(2000, ...xLines) / 100);
 	});
 	const xVal = $derived(d3.range(xMin, xMax + 1, 5)); // +1 because d3.range does not include the max
 	const thrX = 1200;
 
+	function adj(x: number): number {
+		return Math.min(x, 1200) + 0.5 * (Math.max(x, 1200) - 1200);
+	}
 	const series = $derived([y].flat(1).filter((s) => s != null));
 	const areas = $derived([yArea].flat(1).filter((s) => s != null));
-	const vals = $derived(series.flatMap(({ y, label }) => xVal.map((x) => ({ x, y: y(x), label }))));
-	const areaVals = $derived(areas.flatMap(({ y1, y2, label }) => xVal.map((x) => ({ x, y1: y1(x), y2: y2(x), label }))));
+	const vals = $derived(series.flatMap(({ y, label }) => xVal.map((x) => ({ x, y: y(adj(x), x), label }))));
+	const areaVals = $derived(areas.flatMap(({ y1, y2, label }) => xVal.map((x) => ({ x, y1: y1(adj(x), x), y2: y2(adj(x), x), label }))));
 	const yRange: [number, number] = $derived.by(() => {
 		if (range != null) {
 			if (range.length === 2) {
 				return range;
 			}
-			return [range[0], expand ? range[2] : range[1]];
+			return [range[0], range[2]];
 		}
 		const l = d3.min(vals, ({ y }) => y) ?? 0;
 		const r = d3.max(vals, ({ y }) => y) ?? 1;
 		return [l, r];
 	});
-	const yLines = $derived(xLines.flatMap((x) => series.map(({ y, label }) => ({ y: y(x), label }))));
+	const yLines = $derived(xLines.flatMap((x) => series.map(({ y, label }) => ({ y: y(adj(x), x), label }))));
 
 	const makeChart: Attachment = (el) => {
 		$effect(() => {
diff --git a/zenno/src/lib/chart.ts b/zenno/src/lib/chart.ts
index d95c04b..1c24387 100644
--- a/zenno/src/lib/chart.ts
+++ b/zenno/src/lib/chart.ts
@@ -1,11 +1,11 @@
 export interface ComputedSeries {
-	y: (x: number) => number;
+	y: (base: number, raw: number) => number;
 	label: string;
 }
 
 export interface ComputedAreas {
-	y1: (x: number) => number;
-	y2: (x: number) => number;
+	y1: (base: number, raw: number) => number;
+	y2: (base: number, raw: number) => number;
 	label: string;
 }
 
diff --git a/zenno/src/lib/race.ts b/zenno/src/lib/race.ts
index 874e340..708d03d 100644
--- a/zenno/src/lib/race.ts
+++ b/zenno/src/lib/race.ts
@@ -519,7 +519,8 @@ export function speedGain(speedBonus: number, dur: number, accel: number | null,
  * @returns Probability per candidate to accept
  */
 export function reducedSpurtChance(witStat: number): number {
-	return 0.15 + 0.0005 * witStat;
+	// 1900 wit style S exceeds 100% chance if we don't explicitly cap.
+	return Math.min(0.15 + 0.0005 * witStat, 1);
 }
 
 /**
diff --git a/zenno/src/routes/doc/frbm/+page.svelte b/zenno/src/routes/doc/frbm/+page.svelte
index 8a1e502..acc7c15 100644
--- a/zenno/src/routes/doc/frbm/+page.svelte
+++ b/zenno/src/routes/doc/frbm/+page.svelte
@@ -414,8 +414,8 @@
 		never happen, its duration also scales with the guts stat. Unlike skills, its duration <i>does not</i> scale with race distance.
 	</p>
 	<div class="mb-4 grid h-60 w-full grid-cols-2 md:h-96">
-		<StatChart stat={Stat.Guts} y={ssBoostSeries} yLabel="Speed Bonus (m/s)" range={[0, 0.3]} />
-		<StatChart stat={Stat.Guts} y={ssDurSeries} yLabel="Duration (s)" range={[0, 12]} />
+		<StatChart stat={Stat.Guts} y={ssBoostSeries} yLabel="Speed Bonus (m/s)" range={[0, 0.4]} />
+		<StatChart stat={Stat.Guts} y={ssDurSeries} yLabel="Duration (s)" range={[0, 14]} />
 	</div>
 	<p>
 		Spot struggle also greatly increases HP consumption. For normal front runners, the rate is slightly less than Rushed. For
@@ -443,7 +443,7 @@
 			y={laneComboSeries}
 			yLabel="Speed Boost"
 			yRule={lcYRule}
-			range={[0.2, 0.5]}
+			range={[0.2, 0.6]}
 		/>
 	</div>
 	<p>
@@ -530,7 +530,7 @@
 			stat={Stat.Wit}
 			y={downhillSeries}
 			yLabel="Entry Chance (% each second)"
-			range={[0, 60]}
+			range={[0, 75]}
 		/>
 	</div>
 	<p>
@@ -550,7 +550,7 @@
 			stat={Stat.Wit}
 			yArea={secSpeedSeries}
 			yLabel="Section Speed (m/s)"
-			range={[17.5, 22.5]}
+			range={[17, 23]}
 			plotOptions={{ color: { legend: true } }}
 		/>
 		<div class="mx-auto flex w-full md:max-w-2xl">
diff --git a/zenno/src/routes/doc/race/+page.svelte b/zenno/src/routes/doc/race/+page.svelte
index 253604a..603a7b5 100644
--- a/zenno/src/routes/doc/race/+page.svelte
+++ b/zenno/src/routes/doc/race/+page.svelte
@@ -67,10 +67,13 @@
 	]);
 	const laneChange: ComputedSeries[] = [{ label: 'Lane Change Target Speed', y: (x) => race.laneChangeSpeed(x) }];
 	const gutsSpurt: Array<ComputedSeries | null> = $derived([
-		{ label: `Speed 1200`, y: (x) => race.spurtSpeed(1200, x, style, distanceApt, raceLen) },
 		{ label: `Speed 600`, y: (x) => race.spurtSpeed(600, x, style, distanceApt, raceLen) },
+		{ label: `Speed 1200`, y: (x) => race.spurtSpeed(1200, x, style, distanceApt, raceLen) },
+		// NOTE(zeph): The label is 1600 despite the input being 1400
+		// for raw vs final difference.
+		{ label: `Speed 1600`, y: (x) => race.spurtSpeed(1400, x, style, distanceApt, raceLen) },
 		distanceApt !== race.AptitudeLevel.A
-			? { label: `${raceLenType} A, Speed 1200`, y: (x) => race.spurtSpeed(1200, x, style, race.AptitudeLevel.A, raceLen) }
+			? { label: `${raceLenType} A, Speed 1600`, y: (x) => race.spurtSpeed(1400, x, style, race.AptitudeLevel.A, raceLen) }
 			: null,
 	]);
 	const minSpeed: ComputedSeries[] = $derived([{ label: 'Minimum Speed', y: (x) => race.minSpeed(raceLen, x) }]);
@@ -241,7 +244,7 @@
 
 	<Sec h={3} id="spurt-speed">Spurt Speed</Sec>
 	<p>Target speed during the Uma's last spurt. See also <a href="#spurt-speed-guts">the effect of Guts</a>.</p>
-	{@render statChart(race.Stat.Speed, spurtSpeed, 'Spurt Speed (m/s)', [20, 26], { len: true, style: true, dist: true })}
+	{@render statChart(race.Stat.Speed, spurtSpeed, 'Spurt Speed (m/s)', [20, 26.5], { len: true, style: true, dist: true })}
 
 	<Sec h={3} id="late-race-speed">Late Race Speed</Sec>
 	<p>Base target speed during late race when the Uma is not spurting (but not dead yet).</p>
@@ -261,7 +264,7 @@
 			href={resolve('/doc/frbm#lane-combo')}>lane combo</a
 		>.
 	</p>
-	{@render statChart(race.Stat.Power, moveLane, 'Target Speed Modifier (m/s)', [0.2, 0.5])}
+	{@render statChart(race.Stat.Power, moveLane, 'Target Speed Modifier (m/s)', [0.2, 0.6])}
 
 	<Sec h={3} id="uphill">Uphill Target Speed Loss</Sec>
 	<p>Target speed modifier while running uphill.</p>
@@ -269,7 +272,7 @@
 
 	<Sec h={3} id="acceleration">Acceleration</Sec>
 	<p>Acceleration.</p>
-	{@render statChart(race.Stat.Power, accel, 'Acceleration (m/s²)', [0.1, 0.5], { style: true })}
+	{@render statChart(race.Stat.Power, accel, 'Acceleration (m/s²)', [0.1, 0.55], { style: true })}
 
 	<Sec h={3} id="lane-change-target-speed">Lane Change Target Speed</Sec>
 	<p>Horizontal (rather than forward) target speed of changing lanes.</p>
@@ -279,7 +282,7 @@
 			stat={race.Stat.Power}
 			y={laneChange}
 			yLabel="Lane Change Target Speed (CW/s)"
-			range={[0.01, 0.03]}
+			range={[0.01, 0.04]}
 		/>
 	</div>
 
@@ -287,11 +290,11 @@
 
 	<Sec h={3} id="spurt-speed-guts">Spurt Speed</Sec>
 	<p>Target speed during the Uma's last spurt. See also <a href="#spurt-speed">the effect of Speed</a>.</p>
-	{@render statChart(race.Stat.Guts, gutsSpurt, 'Spurt Speed (m/s)', [20, 26], { len: true, style: true, dist: true })}
+	{@render statChart(race.Stat.Guts, gutsSpurt, 'Spurt Speed (m/s)', [20, 26.5], { len: true, style: true, dist: true })}
 
 	<Sec h={3} id="min-speed">Minimum Speed</Sec>
 	<p>Forced minimum speed, as well as target speed when out of HP.</p>
-	{@render statChart(race.Stat.Guts, minSpeed, 'Target Speed (m/s)', [15.8, 18.4], { len: true })}
+	{@render statChart(race.Stat.Guts, minSpeed, 'Target Speed (m/s)', [15.8, 18.5], { len: true })}
 
 	<Sec h={3} id="hp-rate-mod">Late Race HP Consumption Rate Modifier</Sec>
 	<p>Multiplier on HP consumption rate during late race and last spurt phase.</p>
@@ -300,15 +303,15 @@
 	<Sec h={3} id="spot-struggle">Spot Struggle</Sec>
 	<p>Speed boost and duration of spot struggle.</p>
 	<div class="mb-4 grid h-96 w-full md:grid-cols-2">
-		<StatChart stat={race.Stat.Guts} y={ssBoost} yLabel="Speed Bonus (m/s)" range={[0, 0.3]} />
-		<StatChart stat={race.Stat.Guts} y={ssDur} yLabel="Duration (s)" range={[0, 12]} />
+		<StatChart stat={race.Stat.Guts} y={ssBoost} yLabel="Speed Bonus (m/s)" range={[0, 0.4]} />
+		<StatChart stat={race.Stat.Guts} y={ssDur} yLabel="Duration (s)" range={[0, 14]} />
 	</div>
 
 	<Sec h={3} id="dueling">Dueling</Sec>
 	<p>Speed boost and acceleration boost of dueling.</p>
 	<div class="mb-4 grid h-96 w-full md:grid-cols-2">
-		<StatChart stat={race.Stat.Guts} y={duelSpeed} yLabel="Speed Bonus (m/s)" range={[0, 0.65]} />
-		<StatChart stat={race.Stat.Guts} y={duelAccel} yLabel="Acceleration Bonus (m/s²)" range={[0, 0.14]} />
+		<StatChart stat={race.Stat.Guts} y={duelSpeed} yLabel="Speed Bonus (m/s)" range={[0, 0.8]} />
+		<StatChart stat={race.Stat.Guts} y={duelAccel} yLabel="Acceleration Bonus (m/s²)" range={[0, 0.16]} />
 	</div>
 
 	<Sec h={2} id="wit">Wit</Sec>
@@ -321,7 +324,7 @@
 			stat={race.Stat.Wit}
 			yArea={secSpeed}
 			yLabel="Section Speed (m/s)"
-			range={[17.5, 22.5]}
+			range={[17, 23]}
 			plotOptions={{ color: { legend: true } }}
 		/>
 		<div class="mx-auto flex w-full md:max-w-2xl">
@@ -347,7 +350,7 @@
 
 	<Sec h={3} id="downhill">Downhill Accel Mode Chance</Sec>
 	<p>Chance each second to enter downhill accel mode when eligible.</p>
-	{@render statChart(race.Stat.Wit, downhill, 'Entry Chance (% each second)', [0, 60])}
+	{@render statChart(race.Stat.Wit, downhill, 'Entry Chance (% each second)', [0, 75])}
 
 	<Sec h={3} id="spurt-accept">Reduced Spurt Accept Chance</Sec>
 	<p>Chance to accept each checked spurt delay and speed when not full spurting.</p>
diff --git a/zenno/src/routes/race/mspeed/+page.svelte b/zenno/src/routes/race/mspeed/+page.svelte
index d879f86..802c9a0 100644
--- a/zenno/src/routes/race/mspeed/+page.svelte
+++ b/zenno/src/routes/race/mspeed/+page.svelte
@@ -169,7 +169,7 @@
 		stat={Stat.Guts}
 		y={ssY}
 		yLabel="Lengths Gained"
-		range={[0, 1.5, 2.5]}
+		range={[0, 2]}
 		xRule={gutsStat}
 		yRule={ssYRule}
 	/>
@@ -178,7 +178,7 @@
 		stat={Stat.Power}
 		y={lcY}
 		yLabel="Lengths Gained"
-		range={[0, 1.5, 2.5]}
+		range={[0, 1.1]}
 		xRule={powerStat}
 		yRule={lcYRule}
 	/>