Ford 7.3L Turbo 66/88mm Billet Upgrade Kit – ASM & Wastegate (1999.5-2003) GTP38

CR Performance 66mm Compressor Side Upgrade for the Ford Powerstroke 7.3L GTP38 With a Fully Balanced Rotating Assembly & Upgrade 33 PSI Billet Waste-Gate Actuator

This is our series of “Good To Go Kits” as the Balancing is done, no need to take parts to your local shop. Do it right and do it at home or your service shop.

 

Add more air flow for lower EGTs along with a better surge margin to your 7.3L

-Upgrade 66mm Billet Compressor wheel provides 33% more airflow than a stock 60mm with added surge margin. (Solves common surge issues while still adding flow over stock)

-4″ Map Width Enhanced Compressor Housing, Comes with Intake Boot to support the added flow of the 66mm inducer.

-Rebuild Kit and fully balanced rotating assembly with upgraded 360° performance thrust bearing and Stepped gap piston ring.

-Take the step up from 22PSI to a 33 PSI actuator, the perfect additon to this compressor side upgrade.

 

Application: 1999.5-2003 Ford Powerstroke Diesel 7.3L

Turbo Model: Garrett GTP38

 

Compressor Specs

Blades: 6+6

Inducer: 66mm

Exducer: Base 88mm Extended Tip 93.65mm

Blade Height: 34.65mm

Bore: 6.35mm Thr 1/4-28 RHT

 

Turbine Specs (OEM Fitment, UK Made)

Blades: 10

Inducer: 76.5mm

Exducer: 67.8mm

Tip Height: 12.0mm

Journal Dia: 10.16mm

Stem Dia: 6.35mm Thr 1/4-28 RHT

 

Billet Wastegate Specs

Working Pressure: 33 PSI (2.25 Bar) Adjustable length allows adjustable opening pressure

Material: Billet

Length: 6.5″ (165mm) to 7.65″ (195mm)

Mounting Bolt Spacing: 1.3″ (33mm)

Wastegate Actuator Shaft Hole Dia Option 1: 0.3100″ (7.875mm)

Wastegate Actuator Shaft Hole Dia Option 2: 0.2365″ (6mm) (Note the design has changed to the same style as the above look in the photos)

 

The included Compressor wheels offer the following advanced features.

Modern Extended Tip Technology – Increasing capable boost pressures and increasing surge margin, therefore reducing surge. Provides improved throttle response and a boost increase at equivalent turbo RPM.

High Flow Design – Slim hub/nose design and advanced blade design provides a higher flow at compressor choke and through the entire operating range. Higher blade heights give proven higher performance.

Fast Spool Times – Weighing in at 150 grams this compressor wheel is ready to spool fast.

Stock Housing Fitment – No compressor housing modifications required.

Higher Performance Modern Design – Out performs stock with a larger extended tip exducer and higher blade height over stock.

 

This kit comes with a Fully Balanced Assembly and Upgrade Billet Wheel along with all the rebuild components shown. All internal hardware needed for a full rebuild is included.

No need for a balancer as we fully balance and mark the assemblies with our digital balancer. Just install and torque / aligning the marks. (Balance Reports are available upon request, please just inquire immediately after payment.)

Save big over purchasing a new turbo and rebuild it right at home or at your shop for a customer. All our Assemblies are fully balanced using our digital balance machine and marked for maximum longevity and performance.

 

The Included Rebuild Kit comes with the following

– Upgraded 360 Degree Thrust Bearing

– 360 Thrust Collar

– 360 Thrust Spacer

– 2 x Journal Bearings

– Turbine End Piston Ring

– Compressor End Piston Ring

– 4 x Bearing Housing Bolts M8x1.25 x19mm

– Backing Plate Gasket / O Ring + Shape 67mm

– Bearing Housing 67mm O Ring

– 4x Pedistal O Rings (2x 11.2mm 2x 20.6mm)

– 191mm Compressor Cover O ring GTP38

 

Interchange Part Number: 740659-0008, F-250, F-350, F-450, F-550

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