Testing Line Pressure TH-350

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Right side of TH350 case. Pressure ports are circled.

• Rear port (yellow) is main line pressure. You will see pressure here in all gears for most valve body configurations. Some race-only valve bodies may not have pressure at this port or the others
• Middle port (red) is 2nd gear pressure
• Front port (blue) is third gear pressure

TH350 pressure ports circled