Cam Walk? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

chevy55 · 07-25-2002, 11:19 PM

How do you tell if a cam is walking?

Blue68 · 07-26-2002, 12:03 PM

First, are you running a roller cam? Cam walk is a roller tappet problem.

Is your timing not staying put? Very erratic. How about your timing cover, is it damaged? Bowed?

I'd also pull the distributor and check the gears for damage or abnormal wear. Your timing chain and gears would also show abnormal wear/damage from being pushed out of alignment.

If you have a roller cam, you need a button or thrust plate to keep the cam in place. You shouldn't experiece such a problem with a flat tappet cam.

07-25-2002, 11:19 PM	#1
chevy55 Registered User Join Date: Nov 2001 Location: Mesa, AZ Posts: 105	Cam Walk? How do you tell if a cam is walking? __________________ 1955 Chevy Shortbed Stepside 2nd Series. http://community.webshots.com/user/chevy55truck

07-26-2002, 12:03 PM	#2
Blue68 Registered User Join Date: Apr 2000 Location: Frisco, Tx, USA Posts: 606	First, are you running a roller cam? Cam walk is a roller tappet problem. Is your timing not staying put? Very erratic. How about your timing cover, is it damaged? Bowed? I'd also pull the distributor and check the gears for damage or abnormal wear. Your timing chain and gears would also show abnormal wear/damage from being pushed out of alignment. If you have a roller cam, you need a button or thrust plate to keep the cam in place. You shouldn't experiece such a problem with a flat tappet cam. __________________ http://home.comcast.net/~r.landrum/w...tos.html-.html '68 C-10 LWB, '98 Z-71 350 w/accessories (Serpentine), Edelbrock Performer, Edelbrock 1405 (600cfm) carb, GM HEI, CompCam Extreme 4x4 roller cam, Thorley Headers, Carter Electric Fuel Pump, Vintage Air, 700r4, 3.73, disc brakes and power steering upgrades.



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