Otto Parts OT-20 Cam Specs

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Thanks to Ray Sedman for providing these specs!

At 0.050"

Intake

Open 0.050" at 1 BTDC
Close 0.050" at 35 ABDC
Lift at valve: 0.450
Duration at 0.050": 216

Exhaust

Open 0.050" at 42 BBDC
Close 0.050" at 8 ATDC
Lift at valve: 0.465
Duration at 0.050": 230

At cam (as advertised)

Intake

Open at 29 BTDC
Close at 63 ABDC
Lift at valve: 0.450
Duration: 272

Exhaust

Open at 66 BBDC
Close at 32 ATDC
Lift at valve: 0.465
Duration: 272

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Last updated: March 20, 2006.