Turbocharger Guide... Stock to Common Upgrades

[Frank]

Turbocharger Guide... Stock to Common Upgrades
written by Frank

The following information is a summary from a few webpages. In addition, it includes common upgrades and people experiences with various turbos and boost ramp up. Check out the references below for full detail and pictures!

Disclamer:
Any modification to your car that results in damage is not our fault. It is your responsibility to supply proper fuel and to properly tune the car.

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Stock Turbos

1984-1987 TO3 Garrett used on non-intercooled 2.2 (Turbo I)

• Single port wastegate can. 1984's used a dual port wastegate can with pnumatic boost control.
• 2.25 exhaust donut/small flange.
• Compressor A/R: 0.42 and Compressor Trim: ??mm
• Exhaust A/R: 0.48 and Exhaust Wheel Trim: ??mm

1988-1993 TEO4H Mitsubishi used on non-intercooled 2.2 & 2.5's (Turbo I)

• 2.25" exhaust donut/large flange for 1987, 2.50" for 1988+.
• Compressor A/R - ?? and Compressor Trim - ??mm
• Exhaust A/R - ?? and Exhaust Wheel Trim - ??mm

1987-1989 TO3 Garrett used on intercooled 2.2 (Turbo II)

• 2.25" exhaust donut/small flange for 1987, 2.25" exhaust donut/large flange for 1988, and 2.5" exhaust donut/large flange for 1989.
• Compressor A/R - 0.42 and Compressor Trim - ??mm
• Exhaust A/R - 0.48 and Exhaust Wheel Trim - ??mm

1989-1990 VNT25 Garrett used on intercooled 2.2 (Turbo IV)

• 2.5" exhaust donut/large flange.
• Compressor A/R - 0.48and Compressor Trim - ??mm
• Exhaust A/R - 0.64 and Exhaust Wheel Trim - ??mm

1991-1993 TB03 Garrett used on intercooled 16V 2.2 (Turbo III)

• 2.5" exhaust donut/large flange.
• Compressor A/R - 0.42and Compressor Trim - ??mm
• Exhaust A/R - 0.48 and Exhaust Wheel Trim - ??mm

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Common Turbo Upgrades







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Reference
Gary Donovan - http://www.thedodgegarage.com/turbo_turbo.html