Which valve cover has the most clearance

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Which valve cover has the most clearance

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skelengerj

Post subject: Which valve cover has the most clearance

PostPosted: Mon Jul 29, 2013 6:20 pm

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Joined: Mon May 03, 2010 9:18 pm
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Apparently I have a high lift cam in the used motor I bought and the adjustment screws on the #6 rockers are hitting my valve cover even with two cork gaskets. Which valve cover has the most clearance? The aftermarket ones I have found all indicate "stock height"

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emsvitil

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PostPosted: Mon Jul 29, 2013 7:39 pm

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Supercharged

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Shorten the adjustment screw on top................

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sandy in BC

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PostPosted: Mon Jul 29, 2013 7:51 pm

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What you really need is a set of Smith Bros pushrods of the proper length....shorter pushrods are indicated.

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DusterIdiot

Post subject: Yeah...

PostPosted: Mon Jul 29, 2013 8:45 pm

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I'm trying to see how much lift you really have there, as I didn't have problems with valve cover clearance on running a .539 lift cam or the .550 lift cam I mocked up. Both worked perfectly fine and had lots of clearance using the stock late valve covers (70-80).

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Aggressive Ted

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PostPosted: Mon Jul 29, 2013 10:40 pm

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Supercharged

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skelengerj,

The tallest valve cover I have found is the Spectre Chrome cover. You may want to make your own baffles though....when using this cover.

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skelengerj

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PostPosted: Tue Jul 30, 2013 5:58 pm

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2 BBL ''SuperSix''

Joined: Mon May 03, 2010 9:18 pm
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Location: San Diego Ca.
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Thanks all for the replies. I would love to user a shorter adjustment screw, but these must be aftermarket rockers as they have an extremely large screw (it is a 7/16 x 20 hex head with a locking nut), seems to be custom order stuff.
I'm running a 1963 valve cover are the later years a little taller?

If I decide I need to shorten the push rods, what is the best way to determine the length required?

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