BBC OEM 454 Cam Specifications

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HotRodPC

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Truck Year
85 K20 LWB
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454 - Turbo 400 - 3.73
I was trying to find Stock OEM 454 Cam Specs so I'd know what the starting point would be when I decide to upgrade my cam and intake.

Here's what I found on 2 different sites. If anyone knows different, please update.

Part #'s
General Motors 3963544
TRW TM642
Sealed Power CS774

CAM TYPE Hydraulic
FT NOTE CODE (050) Duration at .050 Lobe Lift
EXST DURATION 203
EXST LOBE CNTR 113
INTK DURATION 193
INTK LOBE CNTR 108
LOBE SEPARATION 112
EXST LIFT (Inch) 0.252
INTK LIFT (Inch) 0.234
 

burb1085

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shawn
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I know this is almost 10 years old, but did you ever find out, and what cam did you upgrade to?
 

HotRodPC

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OKC, OK
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HotRod
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85 K20 LWB
Truck Model
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Engine Size
454 - Turbo 400 - 3.73
I never did upgrade it since it stayed in the same truck and never got swapped like I intended. Fairly certain the OEM specs above are accurate though.
 

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