cam walk

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cam walk

Post  chuck on May 11th 2015, 10:10 pm

When try to set the timing on a lock out distributed, as I rev the engine the timing climbs with rpm. Does this sound like cam walk, if so what needs to be done to fix it?

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Re: cam walk

Post  rmcomprandy on May 11th 2015, 11:15 pm

If the cam is walking in a Big Block Ford something is absolutely wrong as cam thrust should be no more than .012" end play.

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Re: cam walk

Post  chuck on May 11th 2015, 11:32 pm

[quote="rmcomprandy"]If the cam is walking in a Big Block Ford something is absolutely wrong as cam thrust should be no more than .012" end play.[/quote
Thanks Randy, anything else that could cause the timing to move on a lock out distributor when you bring the rpm's up?

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Re: cam walk

Post  dfree383 on May 11th 2015, 11:53 pm

Is it locked out properly?

What box are you running? Is it programmed right?

Is your timing light working properly?
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Re: cam walk

Post  FalconEh on May 12th 2015, 1:02 pm

Check the wires to the distributor, they should be twisted, isolated and not in contact with metal parts.
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Re: cam walk

Post  chuck on May 12th 2015, 9:28 pm

I got few test I'm going to try. Spoke with a tech at msd.

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