Indy Turbos

Indy Series Turbochargers

Here we will go into detail about what our Indy series turbochargers are, how they perform, flow rates, options and etc.

Our Indy series turbos are available in several sizes and configurations. All offer fully adjustable housing geometries (both exhaust and compressor housing may be turned or "clocked" to any desired position). They feature internal wastegates, outstanding compressor efficiency, coated exhaust housings, and standard or large Garrett style mounting flanges. The exhaust housings are constructed of high nickel content cast iron in a dual port design. All Indy series turbos have been designed and manufactured using the latest in CAD/CAM technology.

TT30 - Excellent spool up, but limited in max RPM. Recommended for engines running under 6800 RPM. This turbo out flows many of the high dollar hybrids on the market at about 2/3 the price. Used on modified small displacement engines and small V8's. Twins can be run on modified V8's. Flows 620 CFM @15 PSI. Supports about 475+ HP. Small Garrett mount.

TT32 - Very good spool up, nice for single turbo applications for highly modified 4 and 6 cyl. engines, and modified small block V8's. 10 cm exhaust housing gives good low end response and excellent mid range and high RPM performance. Flows 750 CFM @ 15 PSI. Supports 650+ HP. Small Garrett mount.

TT35 - Slower spool up. Used on highly modified small displacement engine, including modified GN's, or modified V8's. We use 2 of these on race big blocks with all the go fast goodies. Flows 835 CFM @15 PSI. Supports 700+ HP. Small or large Garrett mount.

TT40 - descent spool up on highly modified V8's. Great for serious race big blocks in a dual turbo installation. The big block powered boat featured in our gallery dynos at a shade over 1260 HP at 20 lbs of boost with 2 of these. Flows 1200 CFM @15 PSI. Supports 1000+ HP. Small or large Garrett mount.

TT50 - Capable of over 50 PSI of boost. Race applications for small blocks or modified big blocks. Flows 1400 CFM @15 PSI. Supports 1250+ HP. Large Garrett mount.

TT60 - With over 1700 CFM of flow at 15 PSI, this one is only for the serious racer. Spool up at about 4600 RPM. Feels like being hit by a truck from 5000 RPM and up. Supports 1400+ HP. Large Garrett mount.

TT30 Specifications

Exhaust housing size	6 centimeters
Flow at 15 PSI boost	680 CFM nominal flow rate
Intake tube diameter	3 inch with low speed boost enhancer ports (76 mm)
Compressor air tract diameter	1.75 inch (44 mm)
Overall diameter (max diameter)	8.75 inches (223 mm)
Overall length	10 inches (254 mm)
Compressor inducer diameter	1.66 inch (42 mm)
Compressor exducer diameter	2.84 inch (72 mm)
Exhaust inducer diameter	2.57 inch (65 mm)
Exhaust exducer diameter	2.05 inch (52 mm)
Shaft diameter (bearing area)	0.432 inch (11 mm)
Exhaust outlet diameter	2.52 inch (64 mm)
Bearing width	0.70 inch (18 mm)
Bearing type	Full floating oil pressurized brass alloy
Oil pressure requirements	16 to 75 PSI and 40 PSI minimum at full throttle
Rated speeds	75,000 - 140,000 RPM nominal. Overspool begins at 145,000 RPM
Compressor efficiency	76% at 103,000 RPM
Assembly balance	Better than 0.1 gram
Max boost	2.50 bar (36.8 PSI) indicated
Cooling type	Wet or dry bearing housings depending upon application
Coatings	Silicate base coated exhaust housing for low heat radiation

TT35 Specifications

Exhaust housing size 12 centimeters

Flow at 15 PSI boost 835 CFM nominal flow rate

Intake tube diameter 4 inch with low speed boost enhancer ports (102 mm)

Compressor air tract diameter 3 inch (76 mm)

Overall diameter (max diameter) 10.5 inches (266.7 mm)

Overall length 12 3/8 inches (314.33 mm)

Compressor inducer diameter 2.28 inch (58 mm)

Compressor exducer diameter 3.23 inch (82 mm)

Exhaust inducer diameter 2.36 inch (60 mm)

Exhaust exducer diameter 2.72 inch (69 mm)

Shaft diameter (bearing area) 0.432 inch (11 mm)

Exhaust outlet diameter 2.52 inch (64 mm)

Bearing width 0.70 inch (18 mm)

Bearing type Full floating oil pressurized brass alloy

Oil pressure requirements 16 to 75 PSI and 40 PSI minimum at full throttle

Rated speeds 70,000 - 120,000 RPM nominal. Overspool begins at 125,000 RPM

Compressor efficiency 76% at 96,000 RPM

Assembly balance Better than 0.1 gram

Max boost 2.86 bar (42 PSI) indicated

Cooling type Wet or dry bearing housings depending upon application

Coatings Silicate base coated exhaust housing for low heat radiation

TT40 Specifications

Exhaust housing size 16 centimeters

Flow at 15 PSI boost 1000 CFM nominal flow rate

Intake tube diameter 4 inch with low speed boost enhancer ports (102 mm)

Compressor air tract diameter 3 inch (76 mm)

Overall diameter (max diameter) 10.8 inches (274 mm)

Overall length 12 3/8 inches (314.33 mm)

Compressor inducer diameter 2.38 inch (60 mm)

Compressor exducer diameter 3.42 inch (87 mm)

Exhaust inducer diameter 2.43 inch (62 mm)

Exhaust exducer diameter 2.83 inch (72 mm)

Shaft diameter (bearing area) 0.432 inch (11 mm)

Exhaust outlet diameter 2.52 inch (64 mm)

Bearing width 0.70 inch (18 mm)

Bearing type Full floating oil pressurized brass alloy

Oil pressure requirements 16 to 75 PSI and 40 PSI minimum at full throttle

Rated speeds 60,000 - 100,000 RPM nominal. Overspool begins at 105,000 RPM

Compressor efficiency 76% at 90,000 RPM

Assembly balance Better than 0.1 gram

Max boost 3.26 bar (48 PSI) indicated

Cooling type Wet or dry bearing housings depending upon application

Coatings Silicate base coated exhaust housing for low heat radiation

Exhaust housing size	12 centimeters
Flow at 15 PSI boost	835 CFM nominal flow rate
Intake tube diameter	4 inch with low speed boost enhancer ports (102 mm)
Compressor air tract diameter	3 inch (76 mm)
Overall diameter (max diameter)	10.5 inches (266.7 mm)
Overall length	12 3/8 inches (314.33 mm)
Compressor inducer diameter	2.28 inch (58 mm)
Compressor exducer diameter	3.23 inch (82 mm)
Exhaust inducer diameter	2.36 inch (60 mm)
Exhaust exducer diameter	2.72 inch (69 mm)
Shaft diameter (bearing area)	0.432 inch (11 mm)
Exhaust outlet diameter	2.52 inch (64 mm)
Bearing width	0.70 inch (18 mm)
Bearing type	Full floating oil pressurized brass alloy
Oil pressure requirements	16 to 75 PSI and 40 PSI minimum at full throttle
Rated speeds	70,000 - 120,000 RPM nominal. Overspool begins at 125,000 RPM
Compressor efficiency	76% at 96,000 RPM
Assembly balance	Better than 0.1 gram
Max boost	2.86 bar (42 PSI) indicated
Cooling type	Wet or dry bearing housings depending upon application
Coatings	Silicate base coated exhaust housing for low heat radiation

Exhaust housing size	16 centimeters
Flow at 15 PSI boost	1000 CFM nominal flow rate
Intake tube diameter	4 inch with low speed boost enhancer ports (102 mm)
Compressor air tract diameter	3 inch (76 mm)
Overall diameter (max diameter)	10.8 inches (274 mm)
Overall length	12 3/8 inches (314.33 mm)
Compressor inducer diameter	2.38 inch (60 mm)
Compressor exducer diameter	3.42 inch (87 mm)
Exhaust inducer diameter	2.43 inch (62 mm)
Exhaust exducer diameter	2.83 inch (72 mm)
Shaft diameter (bearing area)	0.432 inch (11 mm)
Exhaust outlet diameter	2.52 inch (64 mm)
Bearing width	0.70 inch (18 mm)
Bearing type	Full floating oil pressurized brass alloy
Oil pressure requirements	16 to 75 PSI and 40 PSI minimum at full throttle
Rated speeds	60,000 - 100,000 RPM nominal. Overspool begins at 105,000 RPM
Compressor efficiency	76% at 90,000 RPM
Assembly balance	Better than 0.1 gram
Max boost	3.26 bar (48 PSI) indicated
Cooling type	Wet or dry bearing housings depending upon application
Coatings	Silicate base coated exhaust housing for low heat radiation