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Author
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Topic: 351C rocker arm play
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Rob Parsons
Gearhead Posts: 196
From: Lebanon,TN
Registered: JAN 2000
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posted 01-18-2000 02:43 PM
 
Should the rocker arm have any side to side freeplay when the value is closed?
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Moneymaker
Administrator Posts: 25052
From: Lyons, IL, USA
Registered: MAY 99
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posted 01-18-2000 03:16 PM
Welcome Rob! Depending on the camshaft type (solid or hydraulic) there should be a little play side to side. More with a solid cam that has a lash.  Alex------------------
Alex Denysenko Co-Administrator and Moderator
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Rob Parsons
Gearhead Posts: 196
From: Lebanon,TN
Registered: JAN 2000
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posted 01-18-2000 03:59 PM
quote:
Originally posted by Moneymaker:
Welcome Rob! Depending on the camshaft type (solid or hydraulic) there should be a little play side to side. More with a solid cam that has a lash. Alex
I rebuilt it with a Summit 204/214 .484-.510 hyd. cam. I installed the reccomended value springs along with new rockers and pushrods. they did not have free play before tear down and I didn't if some was acceptable.
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a351must2
Gearhead Posts: 320
From: Snohomish, WA, USA
Registered: JUN 99
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posted 01-18-2000 04:21 PM
has the motor been started yet to pump up the lifters?
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Moneymaker
Administrator Posts: 25052
From: Lyons, IL, USA
Registered: MAY 99
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posted 01-18-2000 04:26 PM
Unless the engine is running, or you have a drill running the oil pump to pump up the lifters, you should have some play unless the pushrods are to short. Alex------------------
Alex Denysenko Co-Administrator and Moderator
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Rob Parsons
Gearhead Posts: 196
From: Lebanon,TN
Registered: JAN 2000
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posted 01-18-2000 04:27 PM
I have cranked the motor.
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Moneymaker
Administrator Posts: 25052
From: Lyons, IL, USA
Registered: MAY 99
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posted 01-18-2000 05:29 PM
By the way, all high performance hydraulic lifters have a very fast bleed down rate. Alex------------------
Alex Denysenko Co-Administrator and Moderator
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