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Here's what I've been able to find for cams for the 3.5 motors. The specs are either from the FSM or the manufacturers. Can anyone tell me if they know anything different or if these specs are correct?

3.5 liter stock
Intake lift .336" duration 201 deg.
Exhaust lift .257" duration 252 deg.

Inertia cams 3.5 version 1.1
Intake lift .424" duration 205 deg.
Exhaust lift .257" duration 252 deg.

Inertia cams 3.5 version 1.2
Intake lift .424" duration 205 deg.
Exhaust list .341" duration 215 deg.

4.0 liter stock
Intake lift .354" duration 244 deg.
Exhaust lift .275" duration 262 deg.
 

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Very nice information. Good to know.

On a side note, this reminded me of a serious engine builder I talked to today at a machine shop about getting some big-block drag parts, the smallest cam he had layin around was .825 intake lift! I forgot the rest of the numbers but I do remember that part. He build unlimited class tractor pulling motors.
 

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Very nice information. Good to know.

On a side note, this reminded me of a serious engine builder I talked to today at a machine shop about getting some big-block drag parts, the smallest cam he had layin around was .825 intake lift! I forgot the rest of the numbers but I do remember that part. He build unlimited class tractor pulling motors.

That's on a two valve motor not a four valve.
 
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