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| Which valve cover has the most clearance https://slantsix.org/forum/viewtopic.php?t=52887 |
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| Author: | skelengerj [ Mon Jul 29, 2013 6:20 pm ] |
| Post subject: | Which valve cover has the most clearance |
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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| Author: | emsvitil [ Mon Jul 29, 2013 7:39 pm ] |
| Post subject: | |
Shorten the adjustment screw on top................ |
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| Author: | sandy in BC [ Mon Jul 29, 2013 7:51 pm ] |
| Post subject: | |
What you really need is a set of Smith Bros pushrods of the proper length....shorter pushrods are indicated. |
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| Author: | DusterIdiot [ Mon Jul 29, 2013 8:45 pm ] |
| Post subject: | Yeah... |
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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| Author: | Aggressive Ted [ Mon Jul 29, 2013 10:40 pm ] |
| Post subject: | |
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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| Author: | skelengerj [ Tue Jul 30, 2013 5:58 pm ] |
| Post subject: | |
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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