Supercharger: 3-53

The GMC 3-53 roots blower was built by GMC for their Detroit 53 series diesel engines. The 3-53 has a 6.5 inch rotor length, 2 lobes and reportedly runs at higher RPMs than the 71 series. Due to the lobe design this model runs louder than the similar model in the 71 series.

Company: GMC

Type: Roots

Series 53 Units Include: 8V-53, 6V-53 Long Bore, 6V-53 Short Bore, 4-53 Long Bore, 4-53 Short Bore, 3-53, 2-53

Usage: Street

Availability: Discontinued

Drive Type: Belt

Displacement: 104 c.i.d. / rev. Approx.

Max Continuous Speed (RPM): ~2,500 - 2,800 (unverified)

Self Contained: No

Rotor Length: 6.5 inches

Center Case Height: 5.75 inches