What was the horsepower of a 91 Chevy Suburban?
What was the horsepower of a 91 Chevy Suburban? For ’91, Chevrolet rated the throttle body injection (TBI) engine at a pathetic 185 horsepower at 4000 rpm and 295 lb-ft of torque at 2400 rpm. Can a 91 suburban be swapped for an LS? The location of the compressor on the LS usually is not the best for a swap as it can interfere with the frame, steering, and other components. Holley offers an excellent conversion (PN 20-140) that uses the factory-style ’91 Suburban R4 compressor. What should fuel pressure be when no Buzz? Fuel pressure is typically in the...