Quench Clearance Calculator
Calculate piston to head quench clearance
Enter Parameters
Piston below deck surface (positive = in the hole)
Quench Clearance
50 thou
0.0500" / 1.27 mm
Quench Rating
RatingGood
Detonation RiskLow-Moderate
Good for street performance
Recommendations
Max Safe Compression10.5:1
Target Range0.035" - 0.050"
About Quench
Quench is the rapid cooling of the air/fuel mixture caused by close proximity of the piston to the cylinder head. Proper quench clearance helps prevent detonation and allows higher compression ratios.