Supercharger: 6V-71

The GMC 6V-71 roots blower was developed for the Detroit V6 diesel engine as opposed to the 6-71 model which was for an inline engine. As with the 6-71 the 6V-71 is designed with two 3 lobe rotors that have a 30 degree helix. Starting out on commercial trucks and vehicles they were later modified and then rebuilt, redeveloped and copied for strip, marine and then street use.


Company: GMC
Type: Roots
In GMC Series: 71
Series 71 Units Include: 8V-71, 6V-71, 4-71, 3-71, 2-71, 8-71, 6-71
Usage: Street
Availability: Discontinued
Displacement: 338 c.i.d. / rev. Approx.
Self Contained: No
Rotor Length: 12 inches
Center Case Height: 7.5 inches


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