Why is it called a 671 blower?
In GMC diesel nomenclature, 6 represents the number of cylinders, while 71 represents the cubic-inch displacement per cylinder. So the displacement here is 426 cubic inches, and that is the approximate displacement of the blower as well.
How much is a 471 blower?
$2,225.00
Current retail price is just $2,225.00.
How much boost can a 8-71 blower make?
7.6 pounds
Our first whack with the 8-71 used a 63-tooth pulley on the top and a 54 on the bottom for a drive ratio of 0.857:1 (14.3 percent underdriven) making peak boost of 7.6 pounds at 5,900 rpm and delivering 724 lb-ft at 4,800 rpm and 754 hp at 5,900 rpm.
How many liters is a 671 blower?
The GMC 6-71 diesel engine with corresponding 6-71 blower was frequently used as a truck engine, marine engine, or generator power source or a pump power source. These units are 7.0 Liters, 426 cubic inches, and rated at 190 HP. The case and rotor length for the 6-71 blower is 15.0 inches.
How much horsepower will a blower add?
Blowers make horsepower and lots more torque than a standard engine. The amount of extra horsepower really depends on what your engine is like. On a 350 Chev, Weiand estimates an extra 100-120hp with one of its low-blow superchargers on an otherwise stock motor.
Can I supercharge a stock engine?
When building an engine for supercharging (other than for racing), it is generally built for low to mid-range torque and power. This is similar to a stock engine. And because a stock engine can be used with a supercharger, it would be just as easy to operate or maintain.
How much boost can a 8 71 blower make?
Does a supercharger need an intercooler?
A supercharger intercooler should always be used. Once the air has been compressed by the supercharger, it becomes extremely hot. Hot air does not hold as much oxygen as cool air, and fuel efficiency will suffer.
What is a GMC 6-71 blower?
Above is the GMC 6-71 blower in its original habitat: mounted on the side of a GMC Detroit Diesel 6-71 engine. Introduced in 1938 and produced well into the 1990s, the 6-71 is a two-stroke, six-cylinder diesel. In GMC diesel nomenclature, 6 represents the number of cylinders, while 71 represents the cubic-inch displacement per cylinder.
What is the difference between a 6-71 and 14-71 blower?
In ’70s drag racing, the 6-71 size gave way to 8-71 and larger blower displacements and today, NHRA racers in Top Fuel and Funny Car use blowers of extrapolated 14-71 dimensions as defined by the current rules. On a 6-71, the impellers are not quite 15 inches long while the 14-71’s are a full 19 inches in length.
What does a 4-71 and 6-71 rebuild include?
The 4-71, and 6-71 rebuild includes billet aluminum front and rear bearing plates, glass bead blast all parts, machine ribs out of top and bottom of case, machine flange off of side of blower case, set up all clearances, triple pin rotors, install oversized dowel pins, install heavy duty bearing and seals, and gaskets $995.00
How much does a 871 wrinkle 671 cost?
Polished 871 = 5,050.00 Non-Polished 871 = $4,500.00 Black Wrinkle 671 = $4,575.00 Polished 871 = $5,050.00 Price Motorsports makes an Intake Adapter fit a 460 Ford Intake on a Cadillac Block and Head.