How a Turbo Works - Garrett GT4094R Turbocharger

Understanding How Turbos Work And How To Choose The Right One For Your Car

By Phi Phung, Photography by Courtesy Of Allied Signal Turbocharging Systems

Large Frame Turbos:
Characteristics: Lots of lag but capable of pushing huge power; suited for larger displacement engines and high rpm power (think 2JZ-GTE or RB26DETT); perfect for drag racing, dyno bench racing or tractor pulling; est. 850+hp

Garrett GT4094R
450-800hp
A/R (compressor): N/A
A/R (exhaust housing): N/A
Garrett GT4094R 450-800hp A/R (compressor): N/A A/R (exhaust housing): N/A
HKS T51R-SPL
1,000hp
A/R (compressor): N/A
A/R (exhaust housing): 1.20
HKS T51R-SPL 1,000hp A/R (compressor): N/A A/R (exhaust housing): 1.20

HKS T62R
1,100hp
A/R (compressor): 0.80
A/R (exhaust housing): 1.20
HKS T62R 1,100hp A/R (compressor): 0.80 A/R (exhaust housing): 1.20

Garrett GT4708 (763740-3)
700-1200hp
A/R (compressor): 0.69
A/R (exhaust housing): 0.96
Garrett GT4708 (763740-3) 700-1200hp A/R (compressor): 0.69 A/R (exhaust housing): 0.
Greddy T78-33D
450-720hp
A/R (compressor): N/A
A/R (exhaust housing): N/A
Greddy T78-33D 450-720hp A/R (compressor): N/A A/R (exhaust housing): N/A

Greddy T88H-38GK
650-1,100hp
A/R (compressor): N/A
A/R (exhaust housing): N/A
Greddy T88H-38GK 650-1,100hp A/R (compressor): N/A A/R (exhaust housing): N/A

Turbonetics Super Turbo HP81
1,000hp
A/R (compressor): 0.7
A/R (exhaust housing): N/A
Turbonetics Super Turbo HP81 1,000hp A/R (compressor): 0.7 A/R (exhaust housing): N/A